Products/Services for Laser Unequal Path Interferometers
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Interferometers - (105 companies)...configuration helps to determine the location of the fringes. Fizeau interferometers or image plane interferometers use a reference and test light-path of unequal distance. Fabrey-Perot interferometers are frequency-tuning devices that use the properties...MeasurementOptical ConfigurationLight Source / Laser Type -
Lasers - (718 companies)Lasers are devices that produce intense beams of monochromatic, coherent radiation. The word "laser " is an acronym for Light Amplification by Stimulated Emission of Radiation. Lasers are devices that produce intense beams of monochromatic, coherent... -
Laser Mounts - (14 companies)Laser mounts are devices that keep a laser in position on an optical table. Laser mounts are devices that keep the optical components of a lens in position. There are many different types of products. Types of Laser Mounts. Cylindrical laser mounts... -
Laser Printers - (315 companies)Image Credit: Softchoice Corporation | Vision Computers, Inc. | CompUSA. Laser printers use a laser beam to produce an image on a drum that is rolled through a reservoir of toner. The beam is picked up by the charged portions of the drum to fuse... -
Laser Cutting and Welding Machines - (335 companies)Laser cutting machines and laser welding machines use a high-powered laser to cut or perforate materials in plate or sheet form. Laser cutting machines and laser welding machines use a high-powered laser to cut or perforate plates or sheets made... -
Optical Micrometers and Laser Micrometers - (72 companies)Laser micrometers measure extremely small distances using laser technology. Laser micrometers are used in both laboratory and production settings. In production setting, CCD or shadow based laser micrometers provide accurate results when gaging high...
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Alignment Lasers - (18 companies)Alignment Lasers are lasers that create an extremely accurate reference point, line, or shape for aligning machines in industrial processes. Alignment lasers are industrial laser devices that provide precision alignment. They enable a variety...
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Laser Marking and Laser Engraving Services - (297 companies)Image Credit: Pad-printing | Caliber Engraving | Protomatic. Laser marking and laser engraving services use a computer-controlled laser beam to discolor the surface of a component, or engrave it by vaporizing the material. The laser can...
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Laser Drivers - (69 companies)Laser drivers control and manage the operation of lasers used for switching in optical networks. Laser drivers control and manage the operation of lasers used for switching in optical networks such transmission systems, optical transmitters...
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Laser Beam Analyzers - (37 companies)Laser beam analyzers are used to determine the quality of a laser beam. Laser beam analyzers measure beam profile, average power, energy per pulse, frequency, and temporal pulse shape. Many laser beam analyzers are portable, enabling them to be used...
Product News
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Pratt & Whitney Measurement Systems, Inc.
Our exclusive digital interferometer Labmaster Universal - Model 1000M. With a 40 inch (1016mm) direct reading range and an 80 inch (2032mm) capacity with optional probes, this laser-based Universal Measuring System is designed for high accuracy, ID/OD/SD* gage calibration and part measuring. Swivel, centering, tilt, and elevation knobs are all standard and easy to use. Features include laser interferometer, computer control, air bearings, bi-directional probes, constant measuring force, and flexible fixturing. These features... (read more)Browse Bore and ID Gages Datasheets for Pratt & Whitney Measurement Systems, Inc. -
RIFTEK EUROPE Sp. z.o.o.
Detector Magic: Beam Paths Measured Perfectly! 2D Optical micrometers are designed for non-contact inline two-dimensional batch measurements of linear dimensions, diameters, angles, thread parameters, part shapes, run-out, etc. Optical micrometers use a "shadow " measurement principle whereby collimated laser light is transmitted towards a receiver. The edges of the shadow cast by an object in the beam 's path are accurately measured by the detector array inside the receiver unit. (read more)Browse Micrometers Datasheets for RIFTEK EUROPE Sp. z.o.o. -
Micro-Epsilon Group
Interferometer for precise layer control The innovative IMS5200-TH white light interferometer from Micro-Epsilon opens up new perspectives in the nanometer-precise inline inline measurement of thin films. With a measurement rate of up to 24 kHz, the IMS5200-TH controller is ideally suited for dynamic industrial applications. Transparent materials with a coating thickness of 1 um to 100 um are detected by the high-precision IMP TH-26 sensor. The factory calibration of the sensor and controller enables nanometer-precise air gap... (read more)Browse Interferometers Datasheets for Micro-Epsilon Group -
Changchun Yutai Optics Co., Ltd.
Light Path Design How to test and verify the optical path?. Imaging quality test: evaluate imaging quality through MTF test, resolution test, etc. Environmental testing: conduct temperature, vibration and other tests to ensure that the lens works stably in different environments. Tolerance verification: verify whether the actual assembly meets the tolerance requirements, and adjust the design or process if necessary. (read more)Browse Optical Lenses Datasheets for Changchun Yutai Optics Co., Ltd. -
MSA Safety
Senscient ELDS FM Approved Open Path Gas Detector The new Senscient ELDS TM methane open path gas detector has obtained Factory Mutual (FM) approval for use in hazardous areas including the stringent FM open path, combustible gas performance approval (FM 6325). It meets the demanding requirements of the oil and gas industry whether that be on or offshore including gas distribution facilities. A 0-1 LFL.m measuring range offers faster speed of response and initiation of executive actions than any other open path, flammable gas detector... (read more)Browse Gas Instruments Datasheets for MSA Safety -
MSA Safety
Gas Detector Ideal for Open Path Monitoring The IR5500 open path gas detector continuously monitors for flammable gas leaks over large open areas. It monitors in both the LEL-m and ppm-m ranges to detect both small and large leaks. The IR5500 offers the benefits of early detection with its high sensitivity to gas concentrations at the ppm levels. This feature allows it to alarm faster than an LEL-only detector. Digital display and adjustable mounting arms ensure easy alignment. Factory calibrated for low-maintenance operation. Among its... (read more)Browse Gas Instruments Datasheets for MSA Safety -
Husky Technologies™
Enabling Bai-Kakaji’s Path to Packaging Success How Bai-Kakaji adopted flexible, adaptable solutions to become a leading regional producer. Founded in 2013 by Mr. Pramod Mundada and Mr. Balkishan Mundada, Bai-Kakaji Group has grown into one of India 's leading regional beverage packaging companies that produces their own brand name water bottles called SUNRICH AQUA, as well as sells preforms and closures throughout the country 's Western and Southern regions. In 2016, Bai Kakaji was looking to differentiate themselves in the market by... (read more)Browse Molding Machines Datasheets for Husky Technologies™ -
Pratt & Whitney Measurement Systems, Inc.
LABMASTER® 175: Precision Laser Metrology diameter, pitch diameter, lead, major/minor diameter, taper, linear displacement, and thickness. High accuracy is maintained by its laser interferometer, zero Abbe offset design, and large measuring table (100 lb [45 kg] capacity) with center position, height, pitch, and yaw controls. The computer-controlled precision air bearing slide and gaging probes remove operator-influenced errors commonly observed with traditional gaging methods by maintaining constant force. It also greatly minimizes wear... (read more)Browse Dimensional Indicators and Comparators Datasheets for Pratt & Whitney Measurement Systems, Inc. -
CeNing Optics Co., Ltd.
Cube Beamsplitters for Laser Beam Control and polarization-sensitive optical paths in laser and photonic systems. Low-Deformation Structure:Cube configuration minimizes optical deformation and helps maintain beam quality in precision optical systems. Easy System Integration:Compact cube structure simplifies mounting and alignment for optical platforms and laser assemblies. Precise Beam Splitting:Standard reflectance/transmittance ratio 50/50 +-5%, with additional splitting ratios available. High Optical Quality:Surface flatness l/4@632.8nm... (read more)Browse Polarizing Cube Beamsplitters Datasheets for CeNing Optics Co., Ltd. -
CASTECH, Inc.
Precision Optical Assemblies for Laser Systems flexible bonding methods, custom sizing from 1?mm to 400?mm, and configuration support for volume production or specialized systems. Engineers gain confidence with parameters like l/20 surface flatness, +-1' beam deviation accuracy, and high laser damage thresholds --ensuring optimal performance and long-term reliability in precision optical paths. Glass-Glass / Glass-Metal Configurations: Tailored to support diverse optical designs. Advanced Bonding Techniques: Epoxy, optical contact, or diffusion... (read more)Browse Laser Optics, Heads, and Beam Delivery Components Datasheets for CASTECH, Inc.
More Information
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Optical Shop Testing 3rd Edition Complete Document
Hardesty C., ‘‘Vibration Insensitive Laser Unequal Path Interferometer (LUPI) Test,’’ Proc. SPIE, 192, 93 (1979).
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Application Of Interferometry To Optical Components And Systems Evaluation
Houston, J. B., Jr., Buccini, C. J., and O'Neill, P. K., "A Laser Unequal Path Inter- ferometer (LUPI) for the Optical Shop," SPIE .
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Practical Interferometry At 1.06 Microns
A Laser Unequal Path Interferometer (LUPI) was constructed for use at 1.06 microns.
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Practical Interferometers
Houston, J.B. , Buccini, C.J. and O'Neill, P.R. , "A Laser Unequal Path Interferometer for the Optical Shop," Appl.
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Real-Time Snapshot Interferometer
Being a laser unequal path interferometer (LUPI), it is subject to fringe washout due to pistoning of the test piece (z -axis motion).
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Production Diamond Machining Of Optics
A laser unequal path interferometer (LUPI) is used to evaluate this error by comparing the number of tilt fringes on an absolute and facet -to -facet basis [see Figure 5].
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Alignment Telescope For Antares
Telescope alignment was accomplished by using a rotary air bearing to establish an axis in front of the system and placing the focus of a Laser Unequal Path Interferometer (LUPI) at the image plane.
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A Technique For The Rapid Fabrication Of Nickel Plated Aspheric Metal Mirrors For Infrared Optical Systems
The principal test instrument used for the fabrication experiment was a bread board laser unequal path interferometer .
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Unequal Path Interferometer Alignment And Use
Figure 1 represents one configuration of an unequal path interferometer sometimes called a LUPI(') ( laser unequal path inter- ferometer or a modified Twyman -Green interferometer.
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The New Physical Optics Notebook: Tutorials in Fourier Optics
This requirement is greatly relaxed by using a laser source to create the LUPI, the laser unequal path interferometer .
