Request Info4D Technology CorporationThe FizCam 2000 unveiled by 4D Technology Corp. is an on-axis vibration-insensitive Fizeau interferometer with a short-coherent-length source for measuring transparent samples and assemblies that are difficult or impossible to measure with traditional laser interferometers. The instrument measures parallel optical-grade surfaces and can separate and measure surfaces within an optical assembly, enabling remote cavity measurements, index homogeneity testing, thin optics measurement and environmental chamber testing. A single-camera high-speed optical phase sensor makes a wavefront measurement...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra September 2022 IssueFizeau InterferometerThe AccuFiz® Fizeau interferometer from 4D Technology Corp. now features a 9-MP camera for higher slope tolerance through superior spatial resolution. AccuFiz instruments are used for...Photonics Spectra March 2023 IssueGlobal Shutter CMOS SensorThe Mira050 global shutter CMOS sensor from ams-OSRAM AG is sensitive to both visible and NIR light for wearable and mobile devices. The compact, 2.3 × 2.8-mm, 0.5-MP device is suitable...Photonics Spectra October 2022 IssueWavefront SensorsThe SHSCam wavefront sensors of the AR, HR, SHR and UHR series from Optocraft GmbH are now available in two versions with spectral ranges from 355 to 800 nm and 800 to 1064 nm. The SHSCam...Photonics Spectra August 2022 Issue360° View LensThe PCCD2M high-resolution 360° view lens from Opto Engineering SRL is optimized for 1-in. sensors. Featuring an innovative optical design with a high-performance catadioptric system and a...ARTICLESPhotonics Spectra January 2023 IssueLight Trap Provides Near Perfect AbsorptionMaximizing light absorption is essential for photovoltaics and many other photonic applications. It is also difficult, especially when the light is being absorbed by a thin layer of material that...Photonics Spectra October 2022 IssueRaytheon UK Makes Moves in Laser Weaponry and Space SurveillanceRaytheon UK will open an advanced laser integration center in Livingston, Scotland. The center will be focused on testing, fielding, and maintenance of defensive high-energy laser (HEL) weapons, and...Photonics Spectra February 2024 IssueNanowire Single-photon Detector Lets Machines See Through WallsUsing a superconducting nanowire single-photon detector (SNSPD) as the light-sensing element, researchers from Tianjin University demonstrated non-line-of-sight (NLOS) imaging at two infrared (IR)...Photonics Spectra December 2022 IssueMicrolens Array Fabrication Method Reduces Device CostsThough aspheric microlens arrays (AMLAs) play an important role in advanced optical sensing, communications, imaging, and other industrial and biomedical applications, the fabrication of the elements...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookInterferometry: Measuring with LightAn interferometer is an instrument that compares the position or surface structure of two objects. The basic two-beam division of amplitude interferometer components consists of a light source, a...Photonics 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 HandbookPhotometry: The Answer to How Light Is PerceivedThat portion of the spectrum that the eye can see — and its rainbow of colors — is rather small, covering approximately 360 to 830 nm. What colors we perceive depends on wavelength, while...Photonics HandbookPhotonic Component Manufacturing: Moving Toward AutomationManufacturing the laser diode is complicated by the existence of multiple proprietary techniques and intellectual property barriers together with complex device physics and unique materials. ...WHITEPAPERSPhotonics.com 6/21/2023Noise Mitigation Strategies for Infrared DetectionWhen it comes to infrared measurements, a lock-in amplifier paired with a pulsed light source is an essential tool to increase the signal-to-noise ratio (SNR) for low light applications. This tech...Photonics.com 2/28/2024Optimum Order Sorting Filters for SpectrometersLearn how linear variable filters can be used in a compact spectrometer to provide optimum order sorting.Photonics.com 3/18/2024Monolithic Hollow Corner Cube Retroreflectors for Precision MetrologyThis white paper compares the advantages and disadvantages of different types of retroreflectors. It highlights the advantages of monolithic, hollow retroreflectors which do not suffer from chromatic...Photonics.com 10/20/2023Avalanche Photodiodes - Design and ApplicationsThis white paper will discuss avalanche photodiodes beginning with a brief description, their applications, and the basics of operation. The discussion will be an overview of the important...WEBINARSPhotonics.com 5/12/2021Improving the Design of Optical Devices Through STOP AnalysesThere is an ever-increasing interest in structural-thermal-optical performance (STOP) analysis for optical systems, in which temperature change and structural loads affect the optical performance....Photonics.com 6/30/2021European Photonics Manufacturing Services Funded by ECThis event is supported by the European initiatives presented and is moderated by EPIC, the European Photonics Industry Consortium. The European Commission is helping companies access the...Photonics.com 1/12/2023A Proven, Portable, and PIC-Based Methodology for Cultivating a Next-Generation WorkforceWith the passage of the CHIPS and Science Act and growing demand for photonic integrated circuit technology, the semiconductor industry is once again gaining momentum. But even as the U.S. rebuilds...Photonics.com 7/22/2021STANDARDS UPDATE: Vision Standards: An Overview of Global and A3 DevelopmentsStandards play a key role in the vision and imaging industry by ensuring interoperability of components, increasing market size, and shortening the time it takes to get new products to market. As the...PHOTONICS DICTIONARY+ TERMSPhotonics DictionaryinterferometerAn instrument that employs the interference of lightwaves to measure the accuracy of optical surfaces; it can measure a length in terms of the length of a wave of light by using interference...Photonics DictionaryFizeau fringesFizeau fringes are interference fringes observed in an interferometer, specifically in a Fizeau interferometer. The Fizeau interferometer is named after the French physicist Armand Fizeau, who...Photonics DictionaryFizeau interferometerA type of interferometer noted for producing narrow multiple-beam interference fringes. As a result, when compared with the Twyman-Green, the Fizeau interferometer has fewer optical components, does...VIDEOSPhotonics.com 10/27/2022Introduction to Verifire Asphere+ - Zygo CorporationThe next era of fast, noncontact, high-resolution 3D metrology of aspheric optics is here! VFA+ pushes the boundaries of what is possible in the design and production of precise aspheric surfaces....Photonics.com 11/20/2023Andor Solutions - Accelerating Scientific AdvancementsGround-breaking products that enable hassle-free, high-quality research across life and physical sciences.Photonics.com 10/26/2017Light Matters Extra: Optifab 2017 - 10.2017In this month's Light Matters Extra, we give you an in-depth look at North America's largest optical fabrication exhibition and show – Optifab 2017. 188 companies filled the showroom floor of the...Photonics.com 9/28/2017Merging Industry and Education Through Photonics - LIGHT MATTERS 09.2017Tune into this month’s edition of Light Matters for the complete list of Photonics Media’s Industry Beacon award winners. We’ll also introduce you to an Industry Beacon in the Educator category, and...PHOTONICS BUYERS' GUIDE CATEGORIESFizeau InterferometersA fizeau interferometer is a type of interferometer noted for producing narrow multiple-beam interference fringes. As a result, when compared with the Twyman-Green, the Fizeau interferometer has...Infrared InterferometersLUPI InterferometersPhase Contrast InterferometersCOMPANIESPhotonics Buyers' Guide4D Technology Corporation4D Technology designs and manufactures laser interferometers, surface roughness profilers, snapshot micropolarizer cameras, and handheld surface gauges, for accurate measurement of optics, optical...Photonics Buyers' GuideOZ Optics LimitedEstablished in 1985, OZ Optics is a leading worldwide supplier of fiber optic components, test equipment and sensors. OZ Optics manufactures its products in three locations, Ottawa (Canada),...Photonics Buyers' GuideTeledyne Judson TechnologiesTeledyne Judson Technologies (TJT) is a global leader for IR sensors from the Visible to VLWIR spectrum. Two-dimensional FPAs (InGaAs, InSb, and MCT) and Integrated Dewar Cooler Assemblies (IDCAs)...Photonics Buyers' GuideAndor TechnologyAndor Technology Ltd is a global developer and manufacturer of high-performance scientific cameras, microscopy systems and spectrographs for academic, government, and industrial applications. Founded...