Request InfoIDEX Health & Science - Semrock Optical FiltersPreviously available only to OEM customers, optical thin-film triple-notch filters for multilaser line blocking applications are being offered by Semrock Inc. as a catalog item. The filters provide simultaneous attenuation of >4 optical density of the 488-, 532- and 631- to 640-nm wavelengths and deliver >90% average transmission outside the notches. They effectively block laser lines that correspond to argon-ion, doubled Nd:YAG, HeNe and a variety of red diode lasers, while passing the maximum amount of signal light. Applications include confocal and multiphoton microscopy, and...See full productRelated content from Photonics MediaPRODUCTSPromoted Content July 2023 IssueOEM Microscopy ComponentsHelping engineers develop the scientific instruments of tomorrow. Olympus Scientific Solutions is now Evident, but our commitment to manufacturing high-quality microscopy components and optics is...Promoted Content February 2024 IssueOEM Microscopy ComponentsOlympus Scientific Solutions is now Evident, but our commitment to manufacturing high-quality microscopy components and optics is unchanged. We are helping engineers develop the scientific...BioPhotonics.com November 2023 IssueLaser Active ElementsThe Er:YAG line from Meller Optics are laser active elements for medical, surgical, dermatological, cosmetic, and dental applications. The elements operate at 2940 nm and come in semi-finished and...Promoted Content February 2024 IssueT660 Four Channel Digital Delay/Pulse GeneratorUsed in embedded OEM systems, the T660 features four TTL-level delay outputs, each individually programmable for delay and pulse width. The highly accurate, low jitter DSP phase lock system provides...ARTICLESBioPhotonics Sep/Oct 2023 IssueBuild Versus Buy: Considerations in SD-OCT System DesignMany researchers and product developers using spectral-domain optical coherence tomography (SD-OCT) for biomedical research and clinical treatment choose to build their own system. This requires...Photonics.com 8/4/2023Red MicroLED Developer Secures Funding; Hesai Collaborates with NVIDIA: Week in Brief: 08/04/23Lidar developer Hesai Technology collaborated with NVIDIA to integrate Hesai’s AT128 automotive-grade, ultrahigh-resolution long-range lidar into the NVIDIA DRIVE and NVIDIA Omniverse...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 12/16/2022NASA Launches Lunar Flashlight: Week in Brief: 12/16/22NASA’s Lunar Flashlight has communicated with mission controllers and confirmed it is healthy after launching Dec. 11 from Cape Canaveral Space Force Station. The satellite embarked on a...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookMeasuring Surface Roughness: The Benefits of Laser Confocal MicroscopyWhen evaluating the surface of a component, surface roughness can be assessed by eye or by rubbing it with a fingertip. Common expressions include “shiny,” “lusterless and...Photonics 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 HandbookSuperresolution Microscopy: An Imaging RevolutionSuperresolution optical microscopy, for which the Nobel Prize was awarded to Eric Betzig, Stefan Hell, and William Moerner in 2014, has been one of the most momentous developments in the life...Photonics HandbookNSOM: Discovering New WorldsNSOM is suitable for studies on the mesoscopic scale (several tens to hundreds of molecular dimensions). It has become an important tool in research and applications of semiconductors, organic layers...WHITEPAPERSPhotonics.com 10/31/2023Block Engineering's Tunable Mid-IR Quantum Cascade LasersBlock Engineering's widely tunable mid-infrared Quantum Cascade Lasers are designed for use by researchers and manufacturers. Our next generation design features a six-fold increase in laser power,...Photonics.com 4/20/2023Choosing a Portable Raman SpectrometerA good portable Raman spectrometer bridges the gap in performance, capability, and size between handheld and benchtop Raman spectroscopy. It enables new point-of-use applications in medicine and...Photonics.com 4/27/2022How the Neo Spectroradiometer Drastically Improves Filter QualityAdmesy develops spectroradiometers, colorimeters, and light meters. They are used in large volume 24/7 production testing as well as in smaller volume niche system manufacturing. One application...Photonics.com 8/7/2023What Is the Modulation Transfer Function?The modulation transfer function, or MTF, is a parameter used to evaluate the performance of a lens. MTF provides a quantitative and standardized way to characterize optical systems, so the metric is...WEBINARSPhotonics.com 10/19/2016Choosing the Right LED for Medical Diagnostics and Bioanalytical SystemsPlease join us for a FREE webinar, sponsored by Excelitas Technologies. There are several factors to consider when choosing a light source for medical or bioanalytical diagnostic equipment. OEMs...Photonics.com 5/19/2021Quantitative CMOS Imaging – qCMOS: The Dawn of a New EraThis webinar with Peter Seitz, Ph.D., will provide an overview of semiconductor image sensors and introduce photon-resolving quantitative CMOS imaging (qCMOS). Imaging in general and...Photonics.com 10/18/2023Advancing and Extending the Spectral Range for Imaging in Fluorescence MicroscopyFluorescence microscopy has revolutionized life sciences by enabling researchers to study biological samples with exceptional precision. New excitation and illumination light sources and scientific...Photonics.com 9/22/2020LED Lighting for Fluorescence Microscopy: A Sustainable Illumination OptionFluorescence imaging in life sciences and microscopy applications has traditionally used mercury, metal halide, and xenon arc lamps for illumination. With advances in technology, LEDs are now able to...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryphotoelectric multiplierA phototube in which the primary photoemission current, before being extracted at the anode, is multiplied many times.Photonics Dictionaryultraviolet photoemission spectroscopyA technique for measuring the energy spectrum of electrons emitted during the absorption of ultraviolet radiation. This spectrum reveals the characteristic ionization energies of the molecules and...Photonics DictionarymosaicOne surface of a nonconducting plate that is coated with many minute particles of photoemissive material that are insulated from one another.Photonics Dictionaryphotoemissive tube photometerA photometer that uses a photoemissive tube to detect and measure light. See photoelectric photometry.VIDEOSPhotonics.com 8/14/2023Brand Refresh -- New Image, Company Name, Website, and Email Address - DayOpticsTo celebrate this milestone, we've created a video showcasing the journey to the new design. We invite everyone to #joinus and watch the video now! The new DayOptics image is a testament to our...Photonics.com 8/24/2023DayOptics Spirit--All is For Offering the Best Lenses to YouFor more information, please follow our SOCIALS: Linkedin YoutubeFacebook Twitter Website EmailPhotonics.com 8/14/2023How to Clean Spherical Lens - DayOpticsCheck out our new video tutorial on how to clean spherical lenses! Our latest video breaks down the step-by-step process for effectively cleaning spherical lenses, ensuring crystal-clear images every...Photonics.com 1/30/2023The Endless Possibilities of Spectroscopy - Avantes as PartnerPHOTONICS BUYERS' GUIDE CATEGORIESPhotoemissive DetectorsA photoemissive detector is an electronic tube instrument in which the anode current varies with the intensity of light incident on the cathode.MOEMSSurface AnalyzersInterference MicroscopesAn interference microscope is a special form of microscope used with perfectly transparent objects that are invisible under an ordinary microscope. The object is placed in one beam of a tiny...COMPANIESPhotonics Buyers' GuidePrior Scientific Inc.For over 100 years, Prior Scientific has been manufacturing precision optical and electro-mechanical equipment and instrumentation. Prior is a leader in the development of precision motion,...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...Photonics Buyers' GuideAvantes BVAvantes has spent the last 30 years refining its mission as a trusted and innovative optical instruments and solutions source. Focused on applications and measurements, Avantes offers Spectrometers,...Photonics Buyers' GuideMKS Ophir, Light & MeasurementOphir is a brand within the MKS Instruments Light & Motion division. The Ophir product portfolio consists of laser and LED measurement products, including laser power and energy meters, laser...