Request Info4D Technology CorporationThe PolarCam™ snapshot micropolarizer camera simultaneously captures images at 4 polarization angles from each video frame, enabling a range of image enhancement techniques and polarimetric measurements. Compact, fast and field-proven, these unique cameras serve applications in process control, medical imaging, remote sensing and more. Two new PolarCam models utilize CMOS technology sensors, enabling up to 170 frames/second imaging rate at 1248 x 1082 pixel resolution. This increased speed is particularly suitable for high speed, in-line process control and high resolution capture...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra April 2021 IssueTunable Calibration SourcesThe SpectrALL series of tunable spectral calibration sources from Labsphere Inc. have been announced by SphereOptics GmbH. The SpectrALL series includes several models engineered for the...Promoted Content July 2021 IssueSWIR Image Sensor TestingThe RS-7 SWIR Tunable Light Source creates nearly any SWIR spectrum (855 – 1700 nm) with highly uniform illumination over a wide FOV. The system enables stable, tunable, and accurate...BioPhotonics Sep/Oct 2021 IssueMicroscope CamerasThe INFINITY8 Microscope Camera series from Teledyne Lumenera consists of four models with resolutions ranging from 2 to 20 MP. With CMOS sensor technology, the cameras address the needs of...Photonics.com 5/28/2021Imaging PhotometersThe ProMetric® Y45 and Y61 imaging photometers from Radiant Vision Systems LLC provide high-resolution photopic and radiometric imaging. ProMetric imaging metrology solutions are used to...ARTICLESPhotonics.com 6/25/2021Daily-Use Light Source Converts IR to Blue Light for Sterilization, DisinfectionA microcavity device that converts infrared (IR) radiation into blue light could enable safe, daily use of deep ultraviolet (DUV) light for disinfection and sterilization. The device was...Photonics Spectra January 2021 Issue3D Visualization Method Reveals Molecular Position, Orientation, OscillationsResearchers at the University of Rochester and the Fresnel Institute in France developed a method for visualizing molecules’ position and orientation in 3D, as well as their oscillations. The...Photonics.com 2/11/2022Polarization-Maintaining Fiber Enables Near-Chirp-Free PulsesA team at Northwestern Polytechnical University (China) has demonstrated near-chirp-free solitons in normal-dispersion, hybrid-structure fiber lasers that contain a few meters of...Photonics Spectra August 2021 IssueOptical Element Could Enable Pocket TelescopeA novel optical element will one day enable composite lenses and telescopes in a form factor small enough to fit in a pocket. The device, developed by Orad Reshef and Jeff Lundeen of the University...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookImage Processing: Turning Digital Data into Useful Information: Digital imaging provides the means to enhance features of interest while attenuating details that are irrelevant to a given application, and then extracts useful information about the scene from the enhanced image.Images are produced by many means: cameras, x-ray machines, electron microscopes, radar and ultrasound. They are used in the entertainment, medical, scientific and business industries; for security...Photonics HandbookDigital Still Cameras: The Changing Face of Imaging: The digital camera reflects a sea change in the compact camera market. While the 20th was the century of film cameras, the 21st belongs to the digital camera.The digital camera represents an integration of optics, mechanics and electronics consisting of three layers (Figures 1a, b and c). The top and the middle layers are printed circuit boards (PCBs),...Photonics HandbookBroadband Spectrophotometry: A Fast, Simple, Accurate Tool: Broadband spectrophotometers coupled with relatively simple algorithms can provide fast, nondestructive and comprehensive characterization of thin films.Designing devices that incorporate ultrathin films is an important means of enhancing yields. However, characterizing ultrathin films provides a challenge for mainstream metrology tools such as...Photonics HandbookOptical Delay Lines: Key to Time-Resolved Measurements: To obtain an accurate means of creating reliable delays in any time-resolved spectroscopy or dynamic experiment, several factors about the delay line stage must be considered to reduce or eliminate errors associated with linear stages.One of the most critical elements of any time-resolved spectroscopy and dynamics experiment is the optical delay line. A typical optical delay line consists of a retroreflector or folding mirrors on...WHITEPAPERSPhotonics.com 3/31/2021Polarization: Why It MattersAs polarization becomes increasingly used in fiber optic products, accurate control and analysis of polarization is essential in building and evaluating the performance of optical components, fiber...Photonics.com 1/25/2022Testing Solutions for VCSELsThe unique properties of vertical-cavity surface-emitting lasers (VCSELs) make them a workhorse for price-sensitive laser-based applications, e.g. in consumer electronics. In production, this demands...Photonics.com 9/10/2020Measuring High Power LasersHigh-power laser beams deliver a lot of power into a small, precisely controlled space. Parameters that are not controlled can unexpectedly change what the process is doing and where. The way to...Photonics.com 2/25/2021Measuring and Correcting MicroLED Display UniformityMicroLEDs unlock next-level display performance, but inherent variability between LEDs can result in visual quality issues that impede production volumes needed for commercialization. Imaging systems...WEBINARSPhotonics.com 1/13/2022New Industrial Challenges for Optical Metrology as Autonomous Cars, Free-Space Optical Communication, and AR/VR Shape the FutureA portion of the optical manufacturing market is driven by consumer electronics such as smartphones, augmented/virtual reality (AR/VR) devices and automated driving via advanced driver-assistance...Photonics.com 3/19/2015Light-Assisted 3-D Bioprinting of Micro- and Nanoscale Functional BiomaterialsFemtosecond laser nanoprinting and projection 3-D bioprinting techniques allow the direct writing of 3-D designer scaffolds used for tissue engineering and regenerative medicine. These 3-D...Photonics.com 1/21/2021Smartphone Spectroscopy Enables Citizen ScienceSpectropolarimetry is a powerful remote sensing technique that enables the retrieval of air and water quality parameters that traditional spectroscopy cannot probe. iSPEX 2 is a smartphone...Photonics.com 10/26/2021Reshaping Histopathology with Deep LearningRecent advancements in deep learning have enabled a new state of the art for results in microscopy. Yair Rivenson focuses on deep-learning-powered image enhancement tasks and, specifically, on the...PHOTONICS DICTIONARY+ TERMSEDU.photonics.com 7/11/2012birefringenceThe separation of a light beam, as it penetrates a doubly refracting object, into two diverging beams, commonly known as ordinary and extraordinary beams.EDU.photonics.com 9/8/2009stress-applying part (SAP)In polarization-preserving optical fibers, the element used to induce birefringence. The SAP is highly doped to provide a different coefficient of expansion from the rest of the fiber material; when...EDU.photonics.com 3/5/2018azimuthal polarizationPolarization that is perpendicular to a cylinder's radial axis. This description of polarization is useful for systems with cylindrical symmetry, such as interactions between focused beams and...EDU.photonics.com 9/8/2009allogyric birefringenceLeft- and right-hand circularly polarized beams that are produced at different velocities by passing plane-polarized light through an optical substance. When recombined, they exhibit different phases...VIDEOSPhotonics.com 4/8/2019Lacroix - Measuring Aspheres in a 3D WorldThis video hits the key points made in our "Measuring Aspheres in a 3D World" white paper. The white paper provides a basic practical guide on the benefits of 3D measurements of aspheres as well as a...Photonics.com 6/18/2021LumiTop X20 - Soon to come!Instrument Systems presents a special highlight: The preview of the new LumiTop X20, upcoming in autumn 2021. Building on the established 2700 and 4000 models, the LumiTop X20 will offer a high...Photonics.com 6/8/2021Matthieu Baudelet: Forensic Spectroscopic Tire Chemical AnalysisLaser-induced breakdown spectroscopy is the technology behind a newly developed forensic technique for tire chemical analysis. University of Central Florida’s Matthieu Baudelet, who introduced the...Photonics.com 4/7/2017Illuminating to Eliminate Cancer Cells - LIGHT MATTERS 03.2017What if cancer cells in the body were so visible that doctors could guarantee removal of every last trace? Researchers at Michigan Tech are developing technology that could do just that. Also on this...PHOTONICS BUYERS' GUIDE CATEGORIESFiber Optic InterferometersPolariscopesA polariscope is a combination of a polarizer and an analyzer that is used to detect birefringence or rotation of the plane of polarization of materials placed between them. Useful for the...Birefringent FiltersA birefringent filter is a filter that transmits light in a series of sharp, widely spaced wavelength bands by its sandwich construction of alternating layers of polarizing films and plates cut from...Pockels CellsA Pockels cell is a device containing an electro-optic crystal and using the Pockels effect. A voltage applied across the crystal generates birefringence, causing plane-polarized light propagating...COMPANIESPhotonics 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' GuideAiry Optics Inc.Airy Optics offers Polaris-M Optical Design Software, Airy Crystal Software, and Engineering Services. Airy analyzes thin film problems in optical design, crystal optics, stress birefringence,...Photonics Buyers' GuideAllied Vision Technologies GmbHABOUT US For 30 years, Allied Vision has helped people see the bigger picture to achieve their goals. We believe knowledge is power and always strive to deliver valuable insight with our...Photonics Buyers' GuideAndor TechnologyWe are global leaders in the development and manufacture of high performance scientific digital cameras for academic, industrial and government applications. Through continuous dialogue with our...