Request InfoSpectral Evolution Inc.LAWRENCE, Mass., April 27, 2017 — The PSR+ spectroradiometer with DARWin SP data acquisition software from Spectral Evolution Inc. provide researchers with data on the ability of vegetation to efficiently use sunlight for photosynthesis. The Photochemical Reflectance Vegetation Index and Red/Green Vegetation Index are two of the 19 vegetation indices offered with DARWin SP Data Acquisition software and the PSR+ field spectroradiometer. PRI uses the wavelengths of light from 400 to 700 nm and has a measurement range of -1 to 1 with healthy vegetation falling between the values of −0.2 to 0.2 in the PRI index....See full productRelated content from Photonics MediaPRODUCTSBioPhotonics Sep/Oct 2022 IssueMicrospectrophotometerThe FLEX PRO™ UV-VIS-NIR microspectrophotometer from CRAIC Technologies is a multifunctional tool able to acquire microscale images and spectra from the deep UV to the NIR. Recently...Photonics Spectra November 2022 IssueEmission Line FiltersTwo Hydrogen Alpha (H-alpha) Emission Line Filters for astronomy applications have been announced by Alluxa Inc. The Five-cavity H-alpha Filter has a 50% B+W of 0.35 nm, a 1% B+W of <0.6 nm,...Photonics Spectra May 2024 IssueMicrospectrometersThe Lightblades™ Spectrometers from CRAIC Technologies are specifically designed for microspectroscopy in research, industrial, and academic applications. Covering ultraviolet, visible, and...Photonics Spectra April 2023 IssueOptical Reference CavitiesThe XM-ORC series of optical reference cavities with crystalline mirrors from Menlo Systems GmbH and Thorlabs Inc. is stable at the zero-crossing of the thermal expansion coefficient. The...ARTICLESPhotonics.com 1/4/2024SPIE Names 2024 Fellows ClassSPIE, the international society for optics and photonics, has named 47 fellows of the society, comprising the organization’s class of 2024. Fellows are members of SPIE who have made significant...Photonics Spectra May 2024 IssueMaterial Offers Efficient, Sustainable Emission for OLEDsA new, 3D-printable material that is a highly efficient emitter could lead to cheaper, more sustainable manufacturing processes for OLED devices. The material, called supramolecular ink, demonstrated...Photonics.com 9/6/2022NASA Reveals First Exoplanet Images Taken by Webb TelescopeAstronomers from the University of Exeter in the U.K. used NASA’s James Webb Space Telescope to capture the first direct image of a planet outside our solar system. The image, shown through...Photonics Spectra November 2022 IssueWebb’s Exoplanet Observations Demonstrate Telescope's StrengthsIn two groundbreaking firsts, NASA’s James Webb Space Telescope captured a direct image of an exoplanet, or a planet outside our solar system, as well as the first clear evidence for carbon...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookOptical Delay Lines: Key to Time-Resolved MeasurementsOne 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...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...Photonics HandbookHyperspectral Imaging Spectroscopy: A Look at Real-Life ApplicationsHyperspectral imaging spectroscopy has developed dramatically from a large, complex, remote-sensing satellite- or aircraft-based system into a rugged, compact, economically priced imaging and...Photonics HandbookParticle Image Velocimetry: Basics, Developments and TechniquesParticle image velocimetry (PIV) is an experimental tool in fluid mechanics and aerodynamics. The basic principle involves photographic recording of the motion of microscopic particles that follow...WHITEPAPERSPhotonics.com 8/25/2022Diffraction Gratings - an IntroductionThis paper is ideal for those wanting an introductory guide to the various types of diffraction gratings and understanding their advantages and disadvantages as well as including some useful grating...Photonics.com 10/5/2023Recent Developments in Hyperspectral Imaging in Industrial ApplicationsIn the rapidly evolving world of industrial machine vision, hyperspectral imaging (HSI) has emerged as an invaluable tool, offering a wealth of information for various applications. This white paper...Photonics.com 9/19/2022Advantages of VPH GratingsThe term 'diffraction grating' often brings to mind a surface relief grating, with ruled lines and a delicate surface. A transmission grating, however, opens up many new options for the optical...Photonics.com 3/7/2024MKS Newport Spectral Optics Product OverviewMKS Newport spectral optics product overview providing a summary of competencies in diffraction gratings, optical filters, optical mirrors, OptoFlash multichannel spectrometer engines, and design &...WEBINARSPhotonics.com 1/12/2023Lessons Learned When Scaling PICs for Volume ProductionAn all-star panel discussion hosted by Optica’s Jose Pozo and featuring experts from the entire PIC value chain to discuss lessons learned when scaling PIC production for volume applications. ...Photonics.com 5/16/2024Optical Frequency Combs: The Pinnacle of Precision from the Visible to the MIRFrequency comb technology has emerged as a cornerstone of modern science and technology, revolutionizing various fields with its unparalleled precision and versatility. The last few years have seen...Photonics.com 9/29/2022A Technical Exploration of Spatial Light Modulators and Their Latest 3D ApplicationsLASER COMPONENTS brings together some of the brightest minds in the industry for a one-hour workshop. Doctoral students from MIT, Princeton University, and Stanford University share how they are...Photonics.com 9/26/2018Imaging Applications in Quantum ResearchQuantum technology, an exciting and evolving field combining physics and engineering, applies the properties of quantum mechanics to next-generation computing applications. It has the potential to...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryfused quartz and silicaFused quartz and silica are closely related materials, both composed primarily of silicon dioxide (SiO2), but they are produced through different manufacturing processes and have distinct properties...Photonics DictionaryAPD detectorAn APD detector, or avalanche photodiode detector, is a type of photodetector used to detect light or optical signals by converting incoming photons into electrical current. It operates based on the...Photonics Dictionaryharmonic generationHarmonic generation refers to a nonlinear optical process in which incoming photons interact with a material and produce new photons at integer multiples of the frequency of the incoming photons....Photonics Dictionarylong-pass filterA long-pass filter is an optical filter that allows longer wavelengths of light to pass through while blocking or attenuating shorter wavelengths. These filters are designed to transmit light with a...VIDEOSPhotonics.com 2/21/2018Photonics on the Showroom Floor and in the Lab - LIGHT MATTERS 02.2018On this month's episode of Light Matters, we take you on a brief tour of the Higgins Laboratories at Worcester Polytechnic Institute (WPI). Quinsigamond Community College and WPI received a $4M grant...Photonics.com 11/20/2023Andor Spectroscopy SolutionsThe world's most sensitive UV-NIR cameras √ High-resolution modular spectrographs √ Market-leading optical cryostats √ Intuitive software platforms √ All optimized and...Photonics.com 8/23/2023Optical Design from AvantierOur optical design team employs DFM principles to ensure optimal performance, cost-efficiency, and timely production of our solutions. Our state-of-the-art metrology ensures thorough testing of each...Photonics.com 1/30/2023The Endless Possibilities of Spectroscopy - Avantes as PartnerPHOTONICS BUYERS' GUIDE CATEGORIESSpectrum AnalyzersSpectrum analyzers are scanning devices used to cyclically tune through a given frequency range to determine the amplitude-frequency distribution of the signals present, usually by displaying output...Near-Infrared SpectrometersA near-infrared spectrometer is an analytical instrument used to measure the absorption, transmission, or reflection of light in the near-infrared region of the electromagnetic spectrum....Laser-Induced Breakdown SpectrometersUltranarrow Spectral FiltersCOMPANIESPhotonics 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' 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' 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...