Lasers Reference Materials

Description: A comprehensive technical guide to laser module selection that addresses the integrated electro-optical subsystem approach required for optimal performance. The article covers eight key evaluation ...

Description: This article explores 3-axis auto focus technology and how it improves laser marking accuracy and efficiency through automatic focus adjustment for varying part heights and surfaces. ...

Description: This article compares MOPA and Q-switched fiber laser technologies, highlighting their key differences in pulse control, marking quality, material compatibility, and application performance. ...

Description: A laser diode is a semiconductor device that emits coherent light through a process called stimulated emission. It is a type of diode that is designed to produce a highly concentrated beam of light ...

Description: Semiconductor laser technology – from physics to industrial engraving applications ...

Description: In recent years, laser surface treatment has gained popularity due to their efficiency andeffectiveness. Today, laser applications in manufacturing are numerous. Building on these established ...

Description: The legacy of Albert Einstein extends far beyond his renowned theory of relativity and the iconic equation E=mc². While many attribute his Nobel Prize in Physics to these contributions, the ...

Description: Gas analysis is essential in various industries, providing critical insights for environmental monitoring, medical diagnostics, and industrial process control [1]. This article examines the ...

Description: The burgeoning landscape of energy storage, driven in part by the demand for electric vehicles (EVs) and portable electronics, places an unprecedented emphasis on battery quality and reliability. To ...

Description: The mid-infrared (MIR) spectrum is fast gaining recognition as one of the most valuable spectral windows for sensing applications due to its selectivity and specificity. It provides a rich source of ...

Description: Just as you wouldn't buy a house unseen or a car without driving it, it's important to see potential laser machines in action ...

Description: Understand beam expander parameters, optical principles, and design trade-offs to select the right solution for high-power, precision laser systems across scanning, processing, and metrology ...

Description: A Practical White Paper for Engineers, Scientists, and OEM Designers ...

Description: Lasers power modern manufacturing, communications, and measurement systems-but true performance depends on precise control of intensity, phase, frequency, and beam direction. This article introduces ...

Description: Driven by the need for faster, high-precision vibrometry and metrology solutions, Ommatidia LiDAR has introduced a massively parallel FMCW (Frequency-Modulated Continuous-Wave) LiDAR system ...

Description: In structural dynamics, vibration testing, and metrology, traditional scanning laser systems measure one point at a time-resulting in lengthy setups, missed transient events, and potential ...

Description: In May 2025, Ommatidia LiDAR led a hands-on workshop at the University of Patras, showcasing their Q2 Laser RADAR system - the first massively parallel FMCW LiDAR for contact-free vibrometry and 3D ...

Description: Yes, the laser is completely safe to operate. It is a Class 2 laser - 1mW CW Maximum 600-700 nm, which means that the laser tube is secured with interlock devices so it will not run with the doors of ...

Description: Benefits of incorporating laser engraving and cutting systems in your school or university ...

Description: A high-quality engraver provides the necessary precision for intricate designs, ensuring clean, sharp lines and consistent results across various wood types. ...

Description: Here we'll cover the basics of photo engraving that will give you a solid foundation for your photo engraving projects. ...

Description: Ways to Increase Value with Laser Engraving ...

Description: A Guide to Laser Engraving Glass with an Epilog Laser Machine ...

Description: When it comes to laser engraving, CO2 engravers are capable of handling almost any material, from wood to acrylic, treated aluminum to glass and well beyond. But how do you know what speed and power ...

Description: Benefits of incorporating laser engraving and cutting systems in your school or university: ...

Description: Structural Health Monitoring (SHM) is essential for ensuring the safety and longevity of bridge infrastructure. Traditional methods, while effective, often involve contact-based sensors and manual ...

Description: Laser-based measurement technologies have transformed vibration analysis and distance measurement by offering non-contact solutions with exceptional precision. Tools such as laser Doppler vibrometers, ...

Description: At its core, an RSOA is a semiconductor device that takes incoming light, amplifies it through stimulated emission, and then reflects it back in the opposite direction. This is achieved by ...

Description: One of the hottest trends right now is the personalization of tech-gadgets such as mobile phones, mp3 players, digital cameras, laptop covers and beyond ...

Description: When it comes to laser engraving, CO2 engravers are capable of handling almost any material, from wood to acrylic, treated aluminum to glass and well beyond. But how do you know what speed and power ...

Description: Wind Lidar operates on the Doppler shift principle. Laser beams are emitted into the atmosphere, and the scattered light is analyzed to determine wind speed and direction. SemiNex's triple junction ...

Description: In this project overview we look at laser engraving some MDF and acrylic to make stamps for debossing leather ...

Description: Here's a look at 10 of the most frequently asked questions our fans ask, along with answers from our experts! ...

Description: Frequently asked questions about Lasers ...

Description: This application note provides a guideline for proper use of Osram Opto Semiconductors multi-die package (PLPM4 450) containing blue multi-mode InGaN laser diodes ...

Description: A unique feature aids in the integration of part-marking equipment for today's manufacturers. ...

Description: Fluorescence ghost imaging with pseudothermal light ...

Description: A new optical-fluorescence microscopy technique, called HR-OPFOS, is discussed and situated among similar OPFOS-implementations. OPFOS stands for orthogonal-plane fluorescence optical sectioning and ...

Description: We present a novel approach which allows simultaneous measurement of the velocity field and the interface profile close to a composite liquid-gas and solid-gas interface. The proposed scheme is the ...

Description: We have mapped intracortical activity in vivo independent of sensory input using arbitrary point channelrhodopsin-2 (ChR2) stimulation and regional voltage sensitive dye imaging in B6.Cg-Tg ...

Description: The sculpting of membranes into highly curved vesicles is central to intracellular cargo trafficking, yet the mechanical activities of trafficking proteins remain poorly understood. Using an optical ...

Description: As a sophomore at Juniata College, I was enrolled in an advanced course in microscopy where I took immediate liking to the subject. Although interested in the biological applications of the field, I ...

Description: Onychomycosis, a fungal infection of the finger or toenails, is predominantly caused by Trichophyton rubrum. Treatment is difficult due to high recurrence rates and problems with treatment compliance. ...

Description: We have synthesized a pH-dependent, NIR-sensitive, reduced graphene oxide (rGO) hybrid nano-composite via electrostatic interaction with indocyanine green (ICG) which is designed not only to destroy ...

Description: Fast and accurate pathogen detection in aquatic environments is challenging in many biomedical studies and microbial diagnostic applications. In this study, we developed a real-time, continuous, and ...

Description: We achieve active control of interfacial phenomena by optically trapping the interface using the gradient forces of a strongly focussed laser beam parallel to the interface. We illustrate our ...

Description: Nickel superoxide dismutase (NiSOD) is a recently discovered superoxide dismutase that utilizes the NiIII/NiII couple to facilitate the disproportionation of O2*- into H2O2 and O2. A key structural ...

Description: Materials that convert visible light into ultraviolet radiation have recently been studied for potential application to new catalytic and antimicrobial technologies. Conversion efficiencies of ...

Description: We combine super-resolution localization fluorescence microscopy with transmission electron microscopy of metal replicas to locate proteins on the landscape of the cellular plasma membrane at the ...

Description: The molecular wire-appended naphthoquinone 1-[15-(3-methyl-1,4-naphthoquinone-2-yl)]pentadecyl disulfide [(NQ(CH2)15S)2] has been incorporated into the A1A and A1B sites of Photosystem I (PS I) in the ...

Description: Photochromic LC-polymer composites containing azobenzene chromophores with thermally stableZ-isomers. Confocal laser method for quantitative evaluation of critical optical properties of toric ...

Description: Localized subcellular changes in Ca2+ serve as important cellular signaling elements, regulating processes as diverse as neuronal excitability and gene expression. Studies of cellular Ca2+ signaling ...

Description: A covert print-and-read system is demonstrated based on NIR-to-NIR upconversion luminescence. Inks activated with Yb3+/Tm3+ doped ß-NaYF4 upconversion nanoparticles were used to print covert ...

Description: This post will focus on engraving a beer mug with a handle, which can be tricky but relatively easy to do once the procedure is completed with the correct tools. ...

Description: A new fiber optic fluorescence spectroscopic method using a liquid core waveguide (LCW) as an excitation element has been developed for detecting a fluorescence compound absorbed on an optical fiber's ...

Description: A novel total internal reflection fluorescence (TIRF) spectrometric technique using a dual optical fiber sample cell was developed. A conventional silica optical fiber was used for exciting ...

Description: Fluorescent proteins photoswitchable with noncytotoxic light irradiation and spectrally distinct from multiple available photoconvertible green-to-red probes are in high demand. We have developed a ...

Description: Zinc oxide is synthesised at low temperature (80°C) in nanosheet geometry using a substrate-free, single-step, wet-chemical method and is found to act as a blue-white fluorophore. Investigation by ...

Description: High-sensitivity detection of trace amounts of c-erbB-2 oncogene was reported to be equal to or surpass the ability of CA 15-3 for early diagnosis and/or follow-up recurrent screening of breast ...

Description: Single particle tracking is a powerful tool to investigate the function of biological molecules by following their motion in space. However, the simultaneous tracking of two different species of ...

Description: Targeted sequence enrichment enables better identification of genetic variation by providing increased sequencing coverage for genomic regions of interest. Here, we report the development of a new ...

Description: To investigate the interplay between microscopic dynamics and macroscopic rheology in soft matter, we couple a stress-controlled-rheometer equipped with a Couette cell to a light scattering setup in ...

Description: This study reports on an integrated microfluidic system capable of counting CD4+/CD8+ T lymphocytes from a whole blood sample, which may be further applied for the rapid screening of the human ...

Description: We present a new design of an imaging cytometer for high content bioanalysis, which is equipped with a low-cost linear complementary metal oxide semiconductor (CMOS) imager (running at =40kHz). The ...

Description: Genetically encoded photosensitizers are a promising optogenetic instrument for light-induced production of reactive oxygen species in desired locations within cells in vitro or whole body in vivo. ...

Description: The current study presents a new miniature microfluidic flow cytometer integrated with several functional micro-devices capable of viral sample purification and detection by utilizing a magnetic ...

Description: We demonstrate an integrated micro-optofluidic platform for real-time, continuous detection and quantification of airborne microorganisms. Measurements of the fluorescence and light scattering from ...

Description: A high throughput 3D image cytometer have been developed that improves imaging speed by an order of magnitude over current technologies. This imaging speed improvement was realized by combining ...

Description: Sequential barcoded fluorescent in situ hybridization (seqFISH) allows large numbers of molecular species to be accurately detected in single cells, but multiplexing is limited by the density of ...

Description: The strong phototoxicity of the red fluorescent protein KillerRed allows it to be considered as a potential genetically encoded photosensitizer for the photodynamic therapy (PDT) of cancer. The ...

Description: The design and manufacture of intraocular lenses (IOLs) depend upon the identification and quantitative preclinical evaluation of key optical properties and environmental parameters. The confocal ...

Description: A microscope-based label-free microfluidic cytometer capable of acquiring two dimensional light scatter patterns from single cells, pattern analysis of which determines cellular information such as ...

Description: Assessment of molecular biomarkers expressed in cells and tissues can inform scientists and clinicians of physiological and disease processes. Optical techniques can quantitatively and noninvasively ...

Description: We demonstrate vertical cross-sectional (XZ-plane) images of near-infrared (NIR) fluorescence with a handheld dual axes confocal endomicroscope that reveals specific binding of a Cy5.5-labeled peptide ...

Description: Purpose: To present a proof-of-concept study on the development and implementation of an innovative confocal laser method platform for precise quantitative evaluation of critical optical properties ...

Description: Novel types of photochromic liquid crystalline (LC) polymer-based composites containing chiral photochromic azobenzene moieties were elaborated. For this purpose, a new chiral azobenzene-containin g ...

Description: Graffiti Shield found a single source solution in Trotec's laser machine. The SP2000 allowed to increase the cut quality to meet OEM standards, accommodate anti-graffiti shield sheet sizes for large ...

Description: Combining voltage and Ca2+ imaging allows the correlation of electrical and chemical activity at sub-cellular level. Here we describe a novel apparatus designed to obtain simultaneous voltage and Ca2+ ...

Description: A combination of near-infrared (NIR) spectroscopy, Raman microscopy, and atomic force microscopy (AFM) was used to analyze the adsorption behavior of petroleum macromolecules (asphaltenes) on an iron ...

Description: OBJECTIVE: To investigate the influence of continuous near-infrared (CNI) laser to potassium ion channels on retinal ganglion cell (RGC). METHODS: Experiment study. Porcine RGC was cultured with ...

Description: Stimuli-responsive drug delivery systems were obtained by encapsulating near-infrared (NIR) sensitive hollow gold nanoshells (HGNs) together with the molecule to be released into biodegradable ...

Description: A synthetic method to prepare novel multifunctional core-shell-structured mesoporous silica nanoparticles for simultaneous magnetic resonance (MR) and fluorescence imaging, cell targeting and ...

Description: Little is known about how neuron firing recorded in vivo retrogradely influences synaptic strength. We injected the firing of a rat hippocampal neurogliaform cell (NGFC), a widely expressed GABAergic ...

Description: Corticospinal pyramidal neurons mediate diverse aspects of motor behavior. We measured spike-related electrophysiological properties of identified corticospinal neurons in primary motor cortex slices ...

Description: Recent evidence suggests the intriguing possibility that midbrain dopaminergic (DAergic) neurons may use fast glutamatergic transmission to communicate with their postsynaptic targets. Because of ...

Description: Optogenetics is a booming multidisciplinary bioengineering technology. It has the characteristic of high spatial-temporal resolution and cell-type specific. It overcomes the disadvantages of ...

Description: The engraving industry is on the cusp of a technological revolution. The advent of laser engraving now allows for much more efficient engraving at lower costs. Soon engraving machines will be ...

Description: Controlled activation or release of biomolecules is very crucial in various biological applications. Controlling the activity of biomolecules have been attempted by various means and controlling the ...

Description: Optogenetics is a technical methodology that allows direct light-based manipulation of genetically specified cells. Optogenetic methods have provided novel insights into the role of defined neuronal ...

Description: Neurons in different locations across the cortex are connected through polysynaptic networks involving both excitation and inhibition. To probe the functional effect of such networks, we used ...

Description: For any trade that involves any kind of cutting, engraving, or etching, the owner will face the decision of which kind of laser to purchase for his work. ...

Description: Optical control of neuronal activity has a number of advantages over electrical methods and can be conveniently applied to intact individual neurons in vivo. In this study, we demonstrated an ...

Description: Which laser for engraving and cutting is the right one for my requirements? How much does a laser machine cost? What should I consider when buying a laser? What functions make a laser future-proof? ...

Description: Neurological respiratory insufficiency strongly correlates with mortality among rodents infected with West Nile virus (WNV), which suggests that this is a primary mechanism of death in rodents and ...

Description: Complex motor behaviors are thought to be coordinated by networks of brain nuclei that may control different elementary motor programs. Transparent zebrafish larvae offer the opportunity to analyze ...

Description: The core subcompartment of the nucleus accumbens (NAcore) contributes significantly to behavioral responses following motivationally relevant stimuli, including drug-induced, stress-induced, and ...

Description: The locus coeruleus (LC) is the sole source of noradrenergic projections to the cortex and essential for attention-dependent cognitive processes. In this study we used unilateral optogenetic silencing ...

Description: Super-localization microscopy encompasses techniques that depend on the accurate localization of individual molecules from generally low-light images. The obtainable localization accuracies, however, ...

Description: A specific memory is thought to be encoded by a sparse population of neurons. These neurons can be tagged during learning for subsequent identification3 and manipulation. Moreover, their ablation or ...

Description: We show a different approach to perform near-field Raman imaging with sub-diffraction limit spatial resolution. In this approach, a dielectric microsphere is trapped by the excitation laser through ...