Request InfoEdmund Optics Inc.The TECHSPEC LC Fixed YAG Beam Expanders from Edmund Optics Inc. use a simple, two-element Galilean design to provide cost-effective, diffraction-limited performance at the design beam diameter of 1 to 2 mm. Twenty-four fixed magnification option are available from 2× to 10×, offered at standard YAG wavelengths of 355, 532 and 1064 nm. Custom magnifications and wavelengths are available. All of these beam expanders are offered with an M22 × 0.75 mounting thread. The devices are used to increase the diameter of a collimated input beam to a larger collimated, less...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra April 2023 IssueHolographic Notch FiltersMETA® holoOPTIX® Notch Filters from Edmund Optics Inc. and Meta Materials Inc. are large, flexible holographic notch filters. The devices maintain consistent notch center wavelengths...Photonics Spectra May 2023 IssueVariable Beam ExpanderThe 1064-nm 2X – 8X Gemma® Variable Beam Expander from Edmund Optics Inc. features a high laser-induced damage threshold and fixed housing length for high-power laser applications with...Photonics.com 8/31/2022Antireflection Laser WindowsTECHSPEC® Dual-Band Antireflection (AR) Laser Windows from Edmund Optics Inc. feature <0.25% reflection at 532 nm and <0.1% reflection at 1064 nm for high laser throughput. ...Photonics Spectra November 2022 IssueLaser Line MirrorsTECHSPEC® Dual Band Laser Line Mirrors from Edmund Optics Inc. offer 99% reflectivity at both IR and visible wavelengths. 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The center is dedicated to manufacturing optical components with high laser damage thresholds from the ultraviolet to the...Photonics.com 5/6/2022Edmund Leadership Creates Endowed Chair, Scholarship at WyantEdmund Optics and the University of Arizona Wyant College of Optical Sciences have created an endowed chair, the Robert M. Edmund Endowed Chair in Optical Sciences, and launched the Advancing Women...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookAspheric Lenses: Design ConsiderationsAspheric surfaces are powerful tools that combine the optical corrections of multiple lenses into a single element (Figure 1) and affect performance in ways that spherical optics cannot. For example,...Photonics HandbookAspheric Lenses: Optimizing the DesignWith the understanding of aspheric lens manufacturing provided in part one of this article, designers have the tools to optimize their aspheres; the next step is to understand how to specify and...Photonics HandbookMeasuring Aspheres: Selecting the Best TechniqueThe benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations and are ideal for focusing or collimating light, as they can achieve a low ƒ-number. Aspheres...Photonics HandbookWhat Is Photonics?Photonics is the study of light and other types of radiant energy whose quantum unit is the photon. The impact of photonics on research, technology, navigation, culture, astronomy, forensics, and...WHITEPAPERSPhotonics.com 4/12/2024Mirrors for Big and Scary FS, PS LasersWhile high laser-induced damage threshold is a buzzword when talking femtosecond & picosecond optics, it is not (only) the nominal LIDT value that matters. Color-change effect is an arch-enemy and a...Photonics.com 2/21/2024Unseen Possibilities of F-Theta LensesF-theta lenses are important compo-nents of machines for laser material processing. They are the part which enables cutting steel by focusing the laser beam. For even machining sur-faces, a couple of...Photonics.com 12/2/2022Innovating the Tunable Light Source - How the Tunable Laser System is Applied in Fluorescence MicroscopyThe market for the tunable light source is ever expanding due to its uses in countless fields, such as the inspection industry, machine visioning, and a wide range of optical experiments....Photonics.com 12/2/2022Fast Axis Collimator Lenses (FACs) - The Essential Components for Laser DiodesWe started developing FACs more than 15 years ago. The result is highly automated in-house processes which allow for competitive prices – even with high volumes. 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Rather than depositing coating material onto the surface of...Photonics.com 11/15/2023Measuring Group Delay Dispersion for Ultrafast Laser OpticsUltrafast lasers have become critical for a wide range of applications including medical lasers, materials processing, and nonlinear imaging and microscopy. One of the most important specifications...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryfrequency combA frequency comb is a precise and regular series of equally spaced spectral lines, or frequencies, that are generated with great accuracy. The term "frequency comb" is often associated with the Nobel...Photonics DictionaryresonatorA resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or stimulus is applied at a specific frequency, causing the system to oscillate...Photonics DictionarynanopositioningNanopositioning refers to the precise and controlled movement or manipulation of objects or components at the nanometer scale. This technology enables the positioning of objects with extremely high...Photonics Dictionarytransverse modeIn the context of optics and lasers, a transverse mode refers to a specific spatial pattern of the electric field within the cross-section of a laser beam. These modes represent the different...VIDEOSPhotonics.com 12/6/2022Telecentric Lenses - Shanghai OpticsTelecentric Lenses are widely used in metrology instruments, laser marking systems, and AOI (Automatic Optical Inspection) machines. Here’s a 360 view of one of our custom Telecentric Lenses which...Photonics.com 10/3/2022Blackstone NEY Ultrasonics CleanveyorBlackstone-NEY CleanVeyor Ultrasonic parts washer utilizes a combination of spray, immersion, and ultrasonic cleaning technologies and has proven successful in achieving Six Sigma consistency in a...Photonics.com 5/27/2022Rainbow Research Optics LLC Introduction VideoRainbow Research Optics LLC Introduction VideoPhotonics.com 12/21/2022OPCO Laboratory, Inc. Facility TourTour of our Fitchburg, MA manufacturing facility.PHOTONICS BUYERS' GUIDE CATEGORIESLaser GratingsLaser Protective FiltersElectron-Beam Lithography SystemsAn electron-beam lithography system is a sophisticated nanofabrication tool used in the semiconductor industry and research laboratories to pattern extremely fine features with sub-micrometer or even...Beam HomogenizersCOMPANIESPhotonics Buyers' GuideFOCtek Photonics Inc.FOCtek provides customers with all types of custom manufactured lenses, Precision Optical Components, Polarizing Optics, Prisms, Filters, Coatings, Optical Systems, Crystals, Nonlinear Crystals,...Photonics Buyers' GuideOhara CorporationOHARA manufactures more than 130 environmentally safe optical glass types, free of both lead and arsenic. More than 300 tons of optical glass are melted per month, available in the following forms of...Photonics Buyers' GuideExcelitas Technologies Corp.Excelitas Technologies® Corp. is a leading industrial technology manufacturer focused on delivering innovative, market-driven photonic solutions to meet the illumination, optical, optronic,...Photonics Buyers' GuideCASTECH INC.CASTECH is a recognized leading supplier of nonlinear optical crystals, laser crystals and precision optical components for laser, telecom, medical, analysis and detector markets. Products...