Request InfoMeadowlark Optics Inc.Replace multiple retarders with a single component. Custom wavelength ranges and retardances available.See full productRelated content from Photonics MediaPRODUCTSBioPhotonics May/Jun 2023 IssueDermatologic LaserThe Waterlase Fractional Handpiece from Biolase Inc. is a dermatologic laser for skin resurfacing featuring an erbium, chromium, yttrium, scandium, gallium, garnet (Er,Cr:YSGG) laser and water...Photonics.com 10/5/2022Optical Testing ProjectorThe Meridian® Sol-55 projector from Optikos Corp. provides illumination through a high-intensity white LED, which can be remotely controlled for high dynamic range measurements in automotive...Photonics Spectra October 2022 IssueCompact Beam ExpandersThe A1 series of compact beam expanders from Optical Surfaces Ltd. delivers ×30 magnification from 2-mm aperture high-power laser beam lines. Delivering artifact-free high magnification,...Photonics Spectra January 2024 IssuePICs Polishing PlatformThe GEO™ system from KrellTech is designed for polishing PIC optical components. Its work holder fixtures provide adjustable mounting mechanisms to accommodate varying chip dimensions, while...ARTICLESPhotonics Spectra October 2022 IssueMulticore Waveguides Herald Optimized Photonic, Quantum ChipsA fabrication technique developed by researchers at the University of Oxford enabled the rapid production of waveguides in a chip with precisely controlled 3D cross sections that exhibited changing...Photonics.com 10/14/2022Leonardo DRS Secures Army Contract; ZEISS Microscopy Strikes Contract: Week in Brief: 10/14/2022ARLINGTON, Va. — Leonardo DRS received a contract to produce its next-generation thermal weapon sights for the U.S. Army. The firm fixed-price contract from the U.S. Army Contracting Command is...Photonics.com 2/7/2023Built Off Anti-Laser, Device Directs Electromagnetic WavesBuilding off a breakthrough “anti-laser,” a team of researchers from Yale University’s School of Engineering and Applied Sciences has developed a system that can direct light and...Photonics.com 2/10/2023Hesai Group Charges Forward with IPO Pricing: Week in Brief: 02/10/23Lidar technology company Hesai Group announced the pricing of its initial public offering of 10 million American Depositary Shares (ADS), at $19 per ADS, for a total offering size of $190 million....PHOTONICS HANDBOOK ARTICLESPhotonics HandbookGaussian and Newtonian Thin Lens FormulasEquation (1) is known as the Gaussian form of the lens equation, after the mathematician Karl F. Gauss. Equation (2), first derived by Sir Isaac Newton, is the Newtonian form of a lens equation. The...Photonics HandbookPressurizationPhotonics 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 HandbookAdaptive Optics: Taming Atmospheric TurbulenceTo Isaac Newton the problem was clear, and in 1704 he realized the effects of atmospheric turbulence on image formation. Just as heat waves shimmering above a hot patch of ground can distort our...WHITEPAPERSPhotonics.com 4/28/2023“Fingerprint” vs Handheld Raman Applications and the Different Optical Filters That Enable ThemRaman spectroscopy is a powerful non-invasive, non-contact tool capable of identifying molecular constituents of samples. Wavelength selective optical filters are used to block the dominant Rayleigh...Photonics.com 3/5/2024Addressing XR Device Optical Measurement ChallengesAddressing the measurement challenges of XR device optics: displays, lenses, and waveguides.Photonics.com 8/7/2023What Is the Modulation Transfer Function?The modulation transfer function, or MTF, is a parameter used to evaluate the performance of a lens. MTF provides a quantitative and standardized way to characterize optical systems, so the metric is...Photonics.com 8/8/2022PFG Optics Products & Capabilities SheetPFG has the latest equipment and tooling combined with engineers and technicians who can efficiently produce the variety of high-precision optics our customers need. Our technicians use mills,...WEBINARSPhotonics.com 1/19/2017OLED Microdisplays: Advancing Virtual and Augmented Reality Smart GlassesData glasses and wearables like fitness trackers are changing the way many of us live, as well as enhancing vision capabilities in industry and defense. In this webinar sponsored by Radiant Vision...Photonics.com 5/29/2013Developments in Optics and Optical ComponentsFree Webinar Additional Questions & Answers from the Webinar below: Speakers: Dr. Robert R. McLeod Associate Professor and Graduate Director Electrical, Computer and Energy...Photonics.com 12/12/2023Profiling Tightly Focused Beams in 2D Using Camera-Based Beam Profilers and Magnification OpticsBeam profilers are critical tools for characterizing lasers and light sources, whether the goal is to gain fundamental knowledge during research and development, to set important design parameters...Photonics.com 10/26/2022Multiphoton Imaging in NeuroscienceMultiphoton imaging in neuroscience has much evolved from the initial two-photon microscope that Winfried Denk built in Watt Webb’s lab at Cornell University in the late 1980s, which made the...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionarycomputer-generated hologramA computer-generated hologram (CGH) is a holographic image produced using computational methods and algorithms, rather than traditional optical techniques. CGHs are generated entirely in digital form...Photonics DictionaryanisotropyAnisotropy refers to the property of exhibiting different values or characteristics when measured in different directions. In various fields, including physics, materials science, and geology,...Photonics Dictionaryhigh-performance parallel interfaceA very high bandwidth communication line often used in fiber optics.Photonics Dictionarylaser guide starAn artificial star used to aid in adaptive optics imaging of the sky. The guide star is provided from a telescope system on the ground and is directed into the imaged region. The wavefront...VIDEOSPhotonics.com 9/30/2019About AlluxaGet a tour of our factory and the inside scoop on everything Alluxa has to offer.Photonics.com 7/19/2023Avantier NIR Objective Lenses AssemblyAvantier stands at the forefront of optical solutions, renowned for our unrivaled expertise in crafting high-performance lenses. In this video, we proudly showcase our exceptional capability in...Photonics.com 11/11/2020Optical Products and Components - OPCO Laboratory Inc.From lenses to prisms, OPCO Laboratory Inc. manufactures a variety of optical products and components that can serve the needs of many applications.Photonics.com 10/9/2020Product Demo: Display Testing in AR and VR HeadsetsEvaluating the visual quality of displays as viewed through augmented and virtual reality headsets requires testing from the vantage point of the user. Radiant Vision Systems provides a comprehensive...PHOTONICS BUYERS' GUIDE CATEGORIESLaser LensesOff-Axis Paraboloid and Ellipsoid MirrorsBeamsplitter CoatingsExpanded-Beam Fiber Optic ConnectorsCOMPANIESPhotonics Buyers' GuideMeadowlark Optics Inc.Innovating since 1979: Meadowlark Optics has been a leader in polarization optics for over 40 years. We provide world-class optical components, systems and custom engineering services using...Photonics 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' GuideLaCroix Precision OpticsThe LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have guided LaCroix Precision Optics to become the premier precision optics...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...