Request InfoIDEX Health & Science - Semrock Optical FiltersSemrock Inc. has launched its MaxLine optical thin-film laser-line filters for laser spectral enhancement in Raman spectroscopy and fluorescence applications. Transmission is >90% at the laser line, and optical density is >5.0 at wavelengths that differ by only 1% from the laser wavelength. The filters have a 12.5-mm diameter and are available for 532-, 632.8- and 785-nm lasers. They are made with hard-coating technology, with no adhesives in the optical path.See full productRelated content from Photonics MediaPRODUCTSBioPhotonics 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 2/15/2024Bandpass Optical FiltersThe Semrock Nanopede™ Optical Filters from IDEX Health & Science cover the near UV and visible spectrum 20 nm full-width, half-max steps. Developed for applications in spectral flow...Promoted Content February 2023 IssueCustom WL Selective Optical FiltersIridian Spectral Technologies designs and manufactures wavelength selective optical filter solutions providing “more signal, less background”, customized to meet the technical and...Promoted Content March 2024 IssuePrecision Polished SubstratesOhara is a world-class manufacturer of high-quality double-side lapped and polished substrates suitable for use at 248 nm. Exhibiting unmatched cleanliness, precision, and surface roughness and...ARTICLESBioPhotonics Mar/Apr 2024 IssueOptical-Plasmonic SERS Platform Clocks Molecular SystemsAn optical plasmonic tweezer-controlled surface-enhanced Raman spectroscopy (SERS) platform developed by Hong Kong University of Science and Technology (HKUST) enables efficient, high-throughput,...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.com 11/16/2022Chroma Adds Sales Director; Spectral MD Appoints COO: People in the News: 11/16/22Spectral MD Holdings, a predictive analytics company with proprietary AI and optical technology for treatment decisions in wound care, appointed Niko Pagoulatos COO. Pagoulatos has held multiple...BioPhotonics Nov/Dec 2023 IssuePhotoacoustic Microscopy Method Delivers Higher SensitivityA multispectral, super-low-dose photoacoustic microscopy (SLD-PAM) system developed by City University of Hong Kong (CUHK) achieves significantly higher sensitivity than traditional optical...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookAcousto-Optic DevicesACOUSTO-OPTIC SCANNING DEVICES: CHARACTERISTICS MODULATORS Material Bandwidth (MHz) Rise Time (ns) Acousto Input Power (W) (Saturation) Material Wavelength Range...Photonics HandbookFilters: Glossary, Equations, ParametersAttentuation Region (or Blocking) The spectral region over which very low transmission is required. Attenuation requirements are generally specified in percent transmission over a given spectral...Photonics HandbookNano-Optics: New Rules for Optical ComponentsWhen physical structures get very small — on the order of molecular or atomic sizes with one or more dimensions on the nanoscale — their behavior and interactions with energy, including...Photonics HandbookThin-Film Coatings: A Buyers' GuideWhat are thin-film coatings? The purpose of any optical thin-film coating is to modify the transmittance and reflectance properties of the substrate material to which they are applied. Most coatings...WHITEPAPERSPhotonics.com 1/8/2024ODiate Optical FiltersMKS Newport delivers best-in-class optical performance with ODiate optical filters for life & health science applications, medical instrumentation, and chemical or material analyses.Photonics.com 1/17/2023Pesticide Detection on Apple Skin Using SERSProtecting food crops is vital to the world’s food chain, and pesticides are a critical tool to kill, repel, and control pests. One method to reduce the dangers of pesticides is limiting the allowed...Photonics.com 4/28/2023“Fingerprint” vs Handheld Raman Applications and the Different Optical Filters That Enable ThemRaman spectroscopy is a powerful non-invasive, non-contact tool capable of identifying molecular constituents of samples. Wavelength selective optical filters are used to block the dominant Rayleigh...Photonics.com 3/28/2024Angle-Resolved Polarized Raman Microscopy for Determining the Orientation of Carbon NanotubesDetermining the orientation of carbon nanotubes can expose crucial structural information about the material, which can help explain its properties and potential applications. A technique used to...WEBINARSPhotonics.com 10/26/2021BioPhotonics Conference: October 26 - 28The publishers of BioPhotonics invite you to attend a free virtual conference spanning three days. The BioPhotonics Conference will feature insights and innovations in microscopy, spectroscopy, flow...Photonics.com 7/7/2022Wavelength-Selective Optical Filters: Providing More Signal and Less Background to PCR InstrumentsEngineers face many unique challenges when creating polymerase chain reaction (PCR) instrumentation. These challenges are seen in both the qualitative detection of nucleic acid sequences, using...Photonics.com 4/18/2023Bio-Analytical Applications of Raman and the Role of Optical FiltersNon-destructive, portable, and extremely discriminating in its analysis -- Raman spectroscopy has established itself as a powerful tool in the identification and quantification of chemicals in...Photonics.com 4/12/2022Forensic Chemistry: Vibrational Spectroscopy and Pattern Recognition TechniquesBarry Lavine describes a new infrared (IR) imaging-based approach to automotive paint forensic analysis. He shares an experiment in which spectral data from all of the layers in a cross-sectioned...PHOTONICS DICTIONARY+ TERMSPhotonics 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...Photonics Dictionaryspatially offset Raman spectroscopySpatially offset Raman spectroscopy (SORS) is a technique that extends traditional Raman spectroscopy by incorporating measurements at different spatial offsets. This method allows for the selective...Photonics Dictionaryfiber optic spectrometerA 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...Photonics DictionaryresonatorA resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or stimulus is applied at a specific frequency, causing the system to oscillate...VIDEOSPhotonics.com 10/25/2023Introduction to OptometricsLearn about the team behind Efficiency Replicated. Experience. Trust. Partnership. We are your diffractive optics design solution partner.Photonics.com 9/30/2019About AlluxaGet a tour of our factory and the inside scoop on everything Alluxa has to offer.Photonics.com 10/26/2022ECOPTIK - Company ProfileEcoptik (also known as BRD Optical) was founded in 2004, and is located in the city of Changchun - the optic base of China with a beautiful view and profound optical culture. We have...Photonics.com 12/6/2022Telecentric Lenses - Shanghai OpticsTelecentric Lenses are widely used in metrology instruments, laser marking systems, and AOI (Automatic Optical Inspection) machines. Here’s a 360 view of one of our custom Telecentric Lenses which...PHOTONICS BUYERS' GUIDE CATEGORIESLaser OpticsLaser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser light. Laser optics play a crucial role in shaping the characteristics of...Laser Protective FiltersX-Ray FiltersNeutral Density FiltersA neutral density filter is a light filter that decreases the intensity of the light without altering the relative spectral distribution of the energy. Also known as a gray filter.COMPANIESPhotonics Buyers' GuideShanghai Optics Inc.ISO 9001 & ISO 13485 certified and D&B DUNS # 113515303 Shanghai Optics is an unparalleled custom system solution provider offering advance precision custom optical design, engineering,...Photonics Buyers' GuideMLD Technologies LLCExperts In Thin-film Coating Design We practice a design-before-quote approach to help customers refine specifications and minimize technical risk. We understand how coated optical elements...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...