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 MediaPRODUCTSPhotonics 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 July 2023 IssueSpectroradiometerThe SpectraScan™ PR-1050 Spectroradiometer from Photo Research is designed for applications requiring precise light measurements from a range of light sources, such as display monitors and...BioPhotonics May/Jun 2023 IssueBandpass FiltersThe ADVANTECH™ hard coat bandpass filters from Andover Corp. offer steep slopes, high light transmission, durability, and long life for demanding applications. The filters provide...BioPhotonics Sep/Oct 2023 IssueMicrospectrophotometerThe 2030XL PRO™ Microspectrophotometer from CRAIC Technologies Inc. is a high-performance instrument for advanced materials analysis. The device offers advanced spectroscopic capabilities...ARTICLESPhotonics.com 7/12/2022Photonics Technologies at the Fore as First James Webb Space Telescope Images ReleasedThe first images from the James Webb Space Telescope are being released today, following an initial release of a “teaser” image July 7, and a subsequent preview image released July 11...Photonics.com 5/4/2022Isorg Appoints Dieter May CEO: People in the News: 05/04/22MicroCare, a manufacturer of chemicals and tools for critical cleaning, hired Marufur Rahim as technical director to oversee the company’s laboratory, research and development, and quality...Photonics Spectra September 2022 Issue3 Quantum Startups Receive Cash InjectionsQuantum computing startup planqc closed a financing round of €4.6 million ($4.67 million) led by UVC Partners and Speedinvest. With the funding, planqc will develop a highly scalable quantum...Photonics.com 2/6/2024Semiconductor Ink Offers High-Efficiency, 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 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 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...Photonics HandbookSpectroscopy: The Tools of the TradeAll optical spectrometry techniques rely on the measurement of radiant power. The configuration of the instrument varies based on the measurement technique: absorption, emission, luminescence, or...WHITEPAPERSPhotonics.com 9/29/2023Accuracy in Optical DesignAnswering some common questions new users of optical design and analysis software have are “How accurate are the results?” or “Can I trust the results I get?” and discussing the importance of...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 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 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...WEBINARSPhotonics.com 10/9/2019High-Power Diode Laser Solutions for Manufacturing ApplicationsDiode laser technology offers a broad range of performance, with unmatched scaling of wavelength, power, and beam format. It is also available in a wide selection of formats, from single emitters to...Photonics.com 3/30/2021Characterization of Light Emitters and Detectors from the Visible to the Terahertz Spectral RangeThe development of a new generation of optical components that emit, modulate, and detect light across multiple spectral ranges requires accurate tools and techniques for the characterization of...Photonics.com 9/21/2022Spectral Domain Optical Coherence Tomography Spectrometers for Today and BeyondSpectral domain optical coherence tomography (SD-OCT) is commonly used for ophthalmologic applications, particularly in the diagnosis and treatment of macular degeneration. It is also consistently...Photonics.com 5/6/2020Raman Spectroscopy: Theory, Practice, and ApplicationsRaman spectroscopy is a spectroscopic technique that probes vibrational states of molecules using, for example, visible light. It requires very little or no sample preparation and can be employed 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 Dictionaryoptical gratingAn optical grating, in the context of optics and physics, refers to a device with a periodic structure of closely spaced, parallel slits or rulings. These slits or rulings act as obstacles to the...Photonics DictionarysupercontinuumSupercontinuum refers to a broad spectrum of light that spans a wide range of wavelengths, typically from the visible to the near-infrared or even mid-infrared regions of the electromagnetic...Photonics DictionaryplasmonicsPlasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free electrons in a metal or semiconductor at the nanoscale. Specifically,...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 11/17/2017Binding Light in Optics and Photonics - LIGHT MATTERS 11.2017Tune into this month's edition of Light Matters for 'Part 1' of an exclusive interview with SPIE CEO, Eugene Arthurs, as he speaks about his upcoming retirement. We’ll also take you to Rochester,...Photonics.com 12/21/2022OPCO Laboratory, Inc. Facility TourTour of our Fitchburg, MA manufacturing facility.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 BUYERS' GUIDE CATEGORIESSpectrophotometer CellsVUV SpectrometersEUV/XUV SpectrometersNano-OpticsCOMPANIESPhotonics 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' 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...