Request InfoB&W Tek LLCB&W Tek Inc. has launched the i-Raman EX portable Raman spectrometer, an extension of its i-Raman portable spectrometer, with a 1064-nm excitation laser for biological substance and fluorescent samples measurement. The i-Raman EX is equipped with a high-sensitivity InGaAs array detector with deep thermoelectric cooling and high dynamic range to deliver a high signal-to-noise ratio. The device provides spectral resolution as fine as 9.5 cm–1 and spectral coverage from 175 to 2500 cm–1, enabling measurement of the entire fingerprint region. It comes with a fiber...See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 12/13/2022InGaAs Photodiode DetectorsMarktech Optoelectronics' lineup of advanced InGaAs photodiode detectors consists of several detector families or series based on their spectral sensitivity ranges. The VIS-NIR-SWIR detectors...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...Photonics.com 9/5/2022Linear Voice Coil Servo MotorThe miniature GVCM-016-019-01M linear voice coil servo motor from Moticont features a 15.9-mm diameter with a force-to-size ratio of 1.5 N and peak force of 4.6 N. The compact housing is 19.1...Photonics.com 6/13/2023Linear Voice Coil MotorThe HVCM-051-032-013-01 Linear Voice Coil Motor from Moticont features a high force-to-size ratio and a 19.1-mm stroke. The low-inertia, high-speed, hollow core brushless servo motor is clean,...ARTICLESBioPhotonics Nov/Dec 2023 IssueOptical Measurements Combine for Early Metastasis DetectionDiffuse in vivo flow cytometry (DiFC), an optical technique developed at Northeastern University, enables fluorescence detection of tumor cells circulating in the bloodstream. It is a promising...Photonics Spectra February 2024 IssueLaser Technology Mobilizes Head Trauma AssessmentThe decisions made about patient care in the hour following a traumatic brain injury (TBI) are critical to patient outcome. A hand-held diagnostic device to assess the severity of the injury...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 Spectra September 2023 IssueTime-Resolved Spectroscopy Peers in on Irreversible PhenomenaA team of researchers at the University of Ottawa developed a terahertz (THz) spectroscopy technique for recording movies in real time at 50,000 fps. High-speed video captures and slow-motion...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 HandbookLaser Measurement Systems: Best PracticesGiven the pace at which technology advances, there always seems to be a learning curve. With the abundance of consumer electronics available, there typically is no right or wrong way to use these...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 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 1/17/2023Whole Blood Analysis Using UV-Vis SpectroscopyPoint of care diagnostics have benefited from the marriage of spectroscopy and biofluidics, helping to address healthcare challenges from cancer screening to viral detection. The Ocean ST...Photonics.com 12/2/2022Innovating the Tunable Light Source - How the Tunable Laser System is Applied in Fluorescence MicroscopyThe market for the tunable light source is ever expanding due to its uses in countless fields, such as the inspection industry, machine visioning, and a wide range of optical experiments....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 7/6/2023Confronting the Drug Epidemic with Portable SpectroscopyAccording to the United Nation’s 2022 World Drug Report, there was a 26% increase in drug use by 15- to 64-year-olds in the last decade, with approximately 284 million illicit drug users in...Photonics.com 4/18/2023Raman Spectroscopy and Art Conservation: New Techniques for Non-Invasive Analysis of Cultural HeritageRaman spectroscopy serves as a non-destructive analytical technique that has emerged as a powerful tool in the field of art conservation. Raman spectroscopy provides valuable information on the...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 10/26/2023Narrow Linewidth Laser Diode Technology for BiophotonicsNarrow linewidth lasers are a key component of numerous biophotonic diagnostic measurements, including Raman spectroscopy, flow cytometry, and blood flow. The miniaturization of these light sources...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionarytransverse modeIn the context of optics and lasers, a transverse mode refers to a specific spatial pattern of the electric field within the cross-section of a laser beam. These modes represent the different...Photonics Dictionarydistributed feedback laserA distributed feedback laser (DFB laser) is a type of semiconductor laser diode designed to emit coherent, narrow-bandwidth light with precise control over the wavelength. It achieves this through a...Photonics Dictionarymode beatingIn optics, "mode beating" refers to an interference phenomenon that can occur in laser systems with multiple longitudinal modes. Longitudinal modes are specific electromagnetic field patterns that...Photonics Dictionarymode-locked lasersMode-locking is a technique used in lasers to produce ultrashort pulses of light with durations on the order of picoseconds, femtoseconds, or even attoseconds. This method synchronizes the phases of...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 7/2/2018Light Tomorrow with TodayLuminate NY, the only optics, photonics and imaging (OPI) accelerator and investment fund in the world, announced the final winners at the Light Tomorrow with Today event in Rochester, NY. For the...Photonics.com 1/18/2018Supporting the Photonics Industry from the Laboratory - LIGHT MATTERS 01.2018On this month's episode of Light Matters, we take you to central Massachusetts as Worcester Polytechnic Institute and Quinsigamond Community College take on a comprehensive joint photonics laboratory...Photonics.com 1/18/2018Light Matters Extra: Taking Photonics Innovations from the Lab to the Operating Room - 01.2018In this month's Light Matters Extra, we give you an in-depth look at the relationship between researchers and scientists at the University of California Davis, and surgeons and clinicians at nearby...PHOTONICS BUYERS' GUIDE CATEGORIESLaser-Induced Breakdown SpectrometersFTIR SpectrometersAn FTIR (Fourier transform infrared) spectrometer is a powerful analytical instrument used to obtain an infrared spectrum of absorption or emission of a solid, liquid, or gas sample. It operates...Fiber Optic SpectrometersA fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to transmit light from a source to a spectrometer unit, where the light is...Spectroscopy Laser SystemsCOMPANIESPhotonics Buyers' GuideB&W Tek LLCB&W Tek is a mobile solutions provider producing optical spectroscopy instrumentation, including portable and handheld Raman, LIBS, and NIR systems since 1997. We provide spectroscopy solutions...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' 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...