Reference Articles 1 - 100 of 198
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How Digital Laser Material Processing Works: Understanding the Fundamentals of DC Glass and RF Metal Lasers
Description: There are major differences between DC glass and RF metal lasers that impact the speed and quality of laser processing, operator safety, laser service life and requirements for additional support ...
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Laser ENgraving and Cutting on Plastics
From: Trotec Laser, Inc.Description: Laser machines from Trotec are used for laser cutting and marking of a wide variety of plastics. Whether you wish to laser cut plastic material or laser engrave polyethylene and silicone - we offer ...
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Laser Engraving and Marking Metals
From: Trotec Laser, Inc.Description: Laser marking steel, aluminum, silver, and many other metals. Metals are considered very robust and durable materials and are available in many different types. Laser marking has proved successful for ...
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How Digital Laser Material Processing Technology™ Works: Customer Success Story
Description: Universal's Digital Laser Material Processing Technology ™ is deployed across a broad range of industries and geographical areas, in many different ways. Here is just one example of how our ...
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How Digital Laser Material Processing Works: Cutting, Marking, Engraving, and Photo Imaging
Description: The laser was once described as a solution without a problem. Now, lasers are everywhere: CD players, range- finding systems, and bar-code readers all rely on lasers to serve their function. As you ...
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How Digital Laser Material Processing Works: Non-Contact Material Modification
Description: DLMPT represents the next phase in material modification. It is a non-contact material modification process, which means that the laser does not need to physically contact an object in order to modify ...
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One laser head, one plasma torch, one cutting table
From: Hypertherm, Inc.Description: The fiber laser and plasma systems share similar delivery systems. Neither require any kind of optical alignment between the power source and cutting head. The two thermal cutting processes share many ...
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Efficient green-light generation from waveguide crystal
From: Photodigm, Inc.Description: Green-light emission is of great interest for many applications, including sensing, fluorescent measurement and projection displays. Recently, micro-projection displays based on red, green and blue ...
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High-power distributed Bragg reflector lasers operating at 1065nm
From: Photodigm, Inc.Description: High-power single-frequency laser diodes emitting around 1065 nm are of interest for a variety of applications including direct replacement of Nd:YAG lasers, spectroscopy, gas-sensing or THz ...
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Lifetime and Reliability
From: Photodigm, Inc.Description: The reliability of semiconductor lasers depends on many factors. Elements contributing to failure include strains in the epitaxial material due to the design, defects introduced during the epitaxial ...
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Optical Feedback in Photodigm's Laser Diodes - Application Note
From: Photodigm, Inc.Description: External feedback effects to semiconductor lasers of all varieties has been well studied [1]-[3]. These feedback effects impact all semiconductor lasers equally from Fabry-Perot (FP) lasers to ...
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Proper Handling and Operating Requirements Laser Diodes
From: Photodigm, Inc.Description: Proper Handling and Operating Requirements Laser Diodes ...
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Rubidium Absorption Spectroscopy
From: Photodigm, Inc.Description: Ultra-high resolution laser spectroscopy of the rubidium atom at 780 nm has numerous applications in sensing, metrology, and aerospace. Despite these opportunities, commercial product development has ...
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Clean Optics:Just Two Easy Steps
From: Trotec Laser, Inc.Description: Clean optics are a basic requirement for perfect cutting and engraving results. The engraving of certain materials like wood or rubber stamp cause more dust than processing other materials. Depending ...
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QCW Diode Array Reliability at 80x and 8xx nm
Description: Northrop Grumman Cutting Edge Optronics (NGCEO) has recently developed high-power laser diode arrays specifically for long-life operation in quasi-CW applications. These arrays feature a new epitaxial ...
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How a helium neon gas laser works
From: Power Technology, Inc.Description: The Helium Neon laser is one of the most economical and commonly used gas lasers on the market. The laser is typically designed to operate in the red at 632.8nm, although many users find it beneficial ...
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Optical correction methods
From: Power Technology, Inc.Description: A laser diode naturally produces a beam that is divergent, elliptical, and astigmatic. A variety of optical procedures are available to correct for these deficiencies, procedures that enable a laser ...
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Bio-Flourescence
From: KLASTECH GmbHDescription: Bio-fluorescence applications utilise the fluorescence of dyes excited by specific wavelengths of laser light. These dyes are often chosen to highlight specific molecules under investigation and these ...
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Holography
From: KLASTECH GmbHDescription: Holography is the technique of optical recording by examining the patterns of light waves that are scattered from an object and then using that information to reconstruct a three-dimensional replica ...
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Raman Spectroscopy
From: KLASTECH GmbHDescription: Raman spectroscopy is a method by which details of the constituents of a molecule can be understood by examining the frequency shift of scattered light after it has impinged on the target material. ...
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Semiconductor Inspection
From: KLASTECH GmbHDescription: There are a number of techniques that are utilised today in the post process on line optical inspection of semiconductor wafers. These include: * Spectroscopic reflectometry where multiple laser ...
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Cutting LDPE
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief showcases some of the interesting materials and products ...
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Drilling Aluminized Mylar
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief showcases some of the interesting materials and products ...
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Featured Application: Creating Custom Composite Codes in WinMark Pro v6
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Cutting 13-Layer Dieboard
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Cutting Carbon Fiber Composite
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Cutting Carbon Fiber Reinforced Plastic Composites
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Cutting Nylon/Foam Laminate
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Cutting Viton® Rubber Gaskets
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Marking and Cutting Decorative Cards
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Marking Anodized Aluminum Plaques
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Marking Curved or Cylindrical Surfaces
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Marking Inverted TrueType Text on Wood
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Marking Plated Steel
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Laser Marking PVC Extrusions using WinMark Pro's Banner Tracking Feature
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Marking Painted Stainless Steel Bottles
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Marking PET Beverage Bottles at the 9.3 µm CO2 Wavelength
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Featured Application: Marking Stainless Steel Multi-Tools
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief features news and information from Synrad, and highlights ...
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Welding Stainless Steel and Inconel
From: Synrad, Inc.Description: SYNRAD's sealed CO2 lasers are used in a variety of industrial processes including cutting, welding, drilling, and marking. This news brief showcases some of the interesting materials and products ...
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The Role of Assist Gases in Laser Processing (.pdf)
From: Synrad, Inc.Description: Assist gases perform a number of functions in material processing applications. Determining the optimal assist gas and type is a complex task and varies with each application; this article outlines a ...
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Polarization Effects in Metals, Ceramics, and Acrylic (.pdf)
From: Synrad, Inc.Description: Lasers may be linearly, circularly, or randomly polarized, each affecting cutting operations differently. This article outlines some of the effects the polarization of a laser beam has when cutting ...
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High Density Pulsed Laser Diode Arrays for SSL Pumping (.pdf)
Description: This work contains an overview of the manufacturing process, as well as representative data for 5-, 10-, and 20-bar arrays. Near-field and power vs. current data is presented in each case. Power ...
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Fiber Lasers for Hard Disk Texturing (.pdf)
From: Multiwave PhotonicsDescription: In today's modern hard disk drives, a controlled magnetic disk texturing is needed to alleviate the problem of "stiction" which occurs when the disk stops spinning and the super-smooth slider comes ...
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Laser Scribing of Thin Film Solar Panels (.pdf)
From: Multiwave PhotonicsDescription: Solar cells based on thin-film devices may well take the lead as the next generation solar panel technology. A key aspect in the cost effective manufacturing of large solar panels is the thin film ...
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Laser Engraving of ID Cards(.pdf)
From: Multiwave PhotonicsDescription: In laser card marking, the pulsed energy produced by a laser is applied to the plastic (e.g., polycarbonate) card creating characters, images and even photographs via a set steering mirrors and/or a ...
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Engraving Name Plates and Signing
From: Trotec Laser, Inc.Description: Replato produces road signs, advertising displays, facade overprints, front panels, name plates and category plates. The company has 29 employees. Several production processes are being executed at ...
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High Quality Cutting and Engraving of Acrylic and Marking of Steel
From: Trotec Laser, Inc.Description: Actual Laser is a fast growing company, both in the industrial and the private sector. Apart from price, the relation between quality and price is most important, according to Mr. Frank Vermeiren. ...
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Laser Marking in the Food Industry
From: Trotec Laser, Inc.Description: This butcher shop, headquartered in Marchtrenk, Austria, is a sausage manufacturer with attached restaurant. It is a direct supplier of numerous food stands. It also offers catering of cold plates, ...
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Laser Technology for Model-Making
From: Trotec Laser, Inc.Description: Projektdesign Holzhammer from the Austrian state of Tirol produces a variety of items for model railways: display cases, boxes or cabinets for presentation purposes or to lay out model sets. Whether ...
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High-Performance Wavelength-Locked Diode Lasers (.pdf)
From: Ondax, Inc.Description: Rapidly maturing industrial laser applications are placing ever-tighter constraints on spectral width and wavelength emission stability over varying operating temperatures of high power diode pump ...
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Application Newsletter - Laser Marking Glass with a Co2 Laser, the SBM 1200M
From: Laser PhotonicsDescription: Co2 lasers are an excellent method of laser marking and laser etching glass. They continue to replace inkjet and sandblast equipment in many glass-marking applications including automotive side glass, ...
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Application Newsletter - Laser Marking Tools - What will they think of next?
From: Laser PhotonicsDescription: Sawsalls are a favorite tool for those who like to quickly and easily cut through wood, plastics, metal, pipes and even wood with nails in it. Sawsalls are perfect for those hard to reach places, when ...
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Application Newsletter-UID Marking Aluminum with the i-Series Fiber Laser
From: Laser PhotonicsDescription: The Laser Photonics i-Series Fiber Laser was specifically designed for maintenance-free OEM applications. It's the most advanced, reliable, industrial grade Fiber Laser marking system available on the ...
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Laser Trackers Shrink Aircraft-Sized Manufacturing Problems (.pdf)
From: FARODescription: Building aircraft has always been a struggle between the size of their components and the need to craft them carefully. More than any other device, airplanes epitomize the concept that "the devil is ...
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Advantages of DPSS Technology
Description: Use DPSS lasers rather than the old flashlamp technology and you can get thousands of hours of reliable output when they are run within their rated parameters. Other advantages of DPSS lasers include: ...
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Application Newsletter - Laser Cutting Natural Leather
From: Laser PhotonicsDescription: Blue leather with 3-mm thickness was marked and cut by a 10 watt CW CO2 laser with 3.75-inch focal length lens. The speed of 50 mm/sec was used for etching surface with one pass and the speed of 10 ...
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Application Newsletter - Medical Device Marking with the FIBERsource™
From: Laser PhotonicsDescription: A stainless steel medical device part was marked using a 20Watt Fiber Laser Marking System. The part, for a medical saw, was marked with a single line, narrow font for speed purposes and a bold font ...
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Laser Diode Principles (.pdf)
From: Power Technology, Inc.Description: A number of questions and misconceptions surround the laser diode. Are all laser diode specifications identical? Do single-mode diodes always operate as single-mode? What effect does temperature ...
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Automated Control of Amplified Pulse Duration Using the Dazzler™ / DazScope™ Solution (.pdf)
From: Newport CorporationDescription: Pulse shaping systems are now widely used by the ultrafast laser community for applications ranging from coherent control to multi-photon microscopy. Of particular interest is the ability to directly ...
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Computer Controlled Variable Attenuator for Lasers (.pdf)
From: Newport CorporationDescription: This application note describes a closed loop computer controlled variable attenuator (figure 1) for the control of output power of a laser. It is based on the combination of a 1/2 wave-plate and ...
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Workstation for Laser Direct-Write Processing (.pdf)
From: Newport CorporationDescription: Lasers exhibit a number of features that makes them unique sources of energy for several material processing methods. For example, they are indispensable tools for drilling, welding, and cutting in ...
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Case Study: Fiber Laser vs CO2 Laser
From: Laser PhotonicsDescription: Laser marking on stainless steel with a CO2 laser is very timely and messy process. Due to the reflective nature of the metal surface and the operational wavelength, CO2 laser systems require a laser ...
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Fiber Laser Cutting Copper Application
From: Laser PhotonicsDescription: Laser Photonics' application engineers received a customers' 4mm thick copper sample to be processed. Using the Titan Series 48™, Laser Photonics multipurpose fiber laser cutting machine ...
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Lasers are your Key to Security
From: Laser PhotonicsDescription: Taking simple precautions, like property marking, can help eliminate any invitation and opportunity for criminal activity. Marking your property not only makes it less attractive to thieves to steal ...
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You Never Forget Your First Laser
From: Laser PhotonicsDescription: Can you remember back in the days when you'd lose the radio stations signal when you passed under a bridge? What about having to get up and blow the dust off of the needle on the record player so it ...
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Laser Beam Expander Theory (.pdf)
From: Navitar, Inc.Description: Perfect Gaussian Laser beams are often characterized by a parameter known as beam divergence. Divergence is the angular spreading of light waves as they propagate through space. Even a perfect ...
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Bestform Laser Lens Theory (.pdf)
From: Navitar, Inc.Description: Simple focusing and collimating of laser light can often be accomplished by using a single lens element. However the focused spot size, energy intensity and image quality are all dependent on, not ...
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The Apple Tree and the Apple-Picker
From: Creaform Inc.Description: Convinced that 3D scanning is bound to technological limits? Persuaded that even the most committed must sometimes forfeit in the face of unworkable projects? Well...be prepared to have your beliefs ...
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Single Longitudinal Mode Blue-Violet Laser Diode for Data Storage
From: Ondax, Inc.Description: Commercially available blue-violet diodes near 405 nm for Blue-ray and HD-DVD disks lase with multiple longitudinal modes and have thus a sub-millimeter coherence length. Optical data storage ...
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Volume Holographic Grating Wavelength Stabilized Laser Diodes
From: Ondax, Inc.Description: The use of volume holographic gratings (VHGs) to stabilize lasers dates to the mid-1980s with 1.55 µm-semiconductor lasers. Accuwave Corporation followed by applying optical feedback to visible and ...
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Wavelength Stabilization of HPDL Array - Fast Axis Collimation Optic with Integrated VHG
From: Ondax, Inc.Description: Volume holographic gratings (VHG) provide the capability of narrowing and stabilizing the wavelength of semiconductor lasers by forming an external cavity laser (ECL). The standard configuration of ...
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Femtosecond and Nanosecond Laser Micromachining of Oxidized Multi-Walled Carbon Nanotube Doped Morthane
Description: New and innovative polymer composite materials are being developed to meet the increasing mechanical, thermal, and electrical properties of materials within industries ranging from automotive to ...
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Femtosecond Verses Nanosecond Laser Machining: Comparison of Induced Stress and Structural Changes in Silicon
Description: Laser micromachining has proven to be a very successful tool for precision machining and microfabrication with applications in microelectronics, EMS, medical device, aerospace, biomedical, and defense ...
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Winning the Battle against Cancer
From: Creaform Inc.Description: A patient had to undergo the surgical ablation of most of her nose, because of a skin cancer that had attacked her right nasal septum. Following the surgery, a cicatrization period had to be observed ...
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Manufacturers Have Found their Missing Link...
From: Laser PhotonicsDescription: The LINK, from Laser Photonics, will help quicken production time while lowering manufacturing costs. This system can achieve a level of quality and detail that is unprecedented in the industry for ...
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Smile! U.S. Dental Labs are Now Using Laser Technology
From: Laser PhotonicsDescription: As more manufacturers are outsourcing production around the world it is important for everyone to recognize growing health concerns. Recent reports have announced high levels of lead in many products ...
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An Unexpectedly Bright Idea
From: All-Marks, LLCDescription: FOR several years after the invention of the laser, Charles Townes' colleagues teased him about its seeming irrelevance to the real world. They told him bluntly that it was "a solution looking for a ...
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Laser Trackers
From: FARODescription: Many industries, including the automotive and aerospace industries, must precisely measure the three-dimensional features of large objects. An increasingly popular way to do this is with the laser ...
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Analysis of the Heat Affected Zone of Marble and Limestone Tiles Cut By Laser
From: World Lasers, Inc.Description: From time immemorial ornamental stones have been considered a noble material in building and construction. Traditionally, Portugal, among some other countries, is recognized for the high quality ...
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Fiber Laser Cutting of Silicon
From: World Lasers, Inc.Description: Silicon is widely used in a number of industries but primarily in solar cells and in semiconductor manufacture, with growing applications in jewelry and entertainment goods. In the majority of ...
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Fiber Laser Cutting of Stents
From: World Lasers, Inc.Description: The average power required for these small scale tube cutting applications is in most cases relatively low and is well within the power range of currently available fiber lasers. Certain specialist ...
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Fiber Laser Cutting of Thin Stainless Steel
From: World Lasers, Inc.Description: Detailed results on fiber laser cutting of thin sheet stainless steel are presented here for the first time. Not only are kerf widths very narrow but cuts also exhibit very low taper and recast layer ...
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Fiber Laser Heating of Diamond Anvil Cells
From: World Lasers, Inc.Description: The Diamond Anvil Cell (DAC) is a device used by scientists to exert extreme pressures on a material. A DAC, used at room temperature, can generate a pressure of up to 250kbar/25GPa. Research has ...
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Fiber Laser Marking - Colour Marking
From: World Lasers, Inc.Description: The use of lasers for colour marking is not new as the technique has been known for over 10 years. This technique was identified as a viable process for use on craft metal work and jewellery. However, ...
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Fiber Laser Marking - Night and Day Mark
From: World Lasers, Inc.Description: The Night and Day marking application, also known as paint removal, is a very demanding application in various industries such as in the design of a car's interior. Research is continuously carried ...
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Fiber Laser Marking of Plastic
From: World Lasers, Inc.Description: Laser marking is fundamentally different from ink printing, the traditional method of writing on plastics. Whereas direct ink printing puts an image on the surface of the plastic which can be removed ...
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Fiber Laser Marking of Plastic: ABS
From: World Lasers, Inc.Description: ABS, Acrylonitrile Butadiene Styrene, is a common thermoplastic used to make light, rigid, moulded products such as wall sockets, keyboards etc. Many industries use ABS in a wide range of products due ...
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Fiber Laser Marking of Plastic: Polycarbonate
From: World Lasers, Inc.Description: Polycarbonates are a particular group of thermoplastic polymers. They are easily worked, moulded, and thermoformed; as such, these plastics are very widely used in many modern industries. Their ...
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Fiber Laser Welding of 0.5 mm Thick Stainless Steel
From: World Lasers, Inc.Description: Fiber lasers are penetrating the precision laser processing market rapidly due to the many advantages of this type of laser; this is particularly true for precision laser welding. Most precision ...
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Fiber Laser Welding of 100µm Thick Stainless Steel
From: World Lasers, Inc.Description: Since the start of the laser industry high power CO2 lasers have been used for welding sheet steel and a great deal of information is available on this subject. However, welding very thin steel sheets ...
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Fiber Laser Welding of Clear Plastics
From: World Lasers, Inc.Description: Fiber lasers have now matured into exceptionally reliable and stable industrial tools. These lasers have unique capabilities that enable a wide range of high quality micro-machining processes; of ...
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Fiber Laser Welding of Fuel Cells
From: World Lasers, Inc.Description: Whilst there has been a noticeable rise in the adoption of alternative energy sources such as wind turbines and solar cells, one technology appears to be the future of power generation - fuel cells. A ...
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High Contrast Fiber Laser Marking of Silicon Carbide
From: World Lasers, Inc.Description: Silicon Carbide is a high temperature engineering ceramic that has impressive thermal properties; a high melting point, high thermal conductivity, high electric field breakdown strength and high ...
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High Volume Laser Welding Applications
From: World Lasers, Inc.Description: Fibre lasers have now matured into exceptionally reliable and stable industrial tools. The lasers have unique capabilities that enable improvements to a wide range of industrial processes. This report ...
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Laser Ablation of Thermally Conducted Oxides
From: World Lasers, Inc.Description: Transparent Conductive Oxides (TCO) are a group of thin films widely used for liquid crystal displays, flat panel displays, plasma displays, touch panels, electronic ink applications, organic ...
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Laser Cutting and Welding of Copper (Cu) and Copper Alloys
From: World Lasers, Inc.Description: Copper is a versatile material and one of the best known conductors of heat and electricity. It has many applications but its properties make it ideal for use in the electronics industry, for flexible ...
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Laser Cutting Ceramics
From: World Lasers, Inc.Description: Engineers and scientists are always engaged in producing better polymeric materials variety by manipulating the molecular structure that affects the final polymer produced. Manufacturers and ...
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Laser Cutting Kapton
From: World Lasers, Inc.Description: Kapton DuPont™ 75 micron thick DuPont™ Kapton® polyimide film has more than 40 years of proven performance as the material of choice in applications involving very high or very low ...
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Laser Cutting Natural Stone
From: World Lasers, Inc.Description: A unique mathematical model to simulate the process of cutting natural stones in rectilinear (straight line) path, by carbon dioxide (CO2) laser, was implemented in a personal computer. The ...
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Laser Cutting of Tungsten
From: World Lasers, Inc.Description: Tungsten is a very hard metal with great tensile strength and an extremely high melting point. It is often alloyed with other metals but in its purest form, it is commonly used in electronics ...
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