Request InfoCoherent Corp.Our 2-µm optical isolators are designed for use with thulium and holmium lasers in the 1900- to 2100-nm region. They provide >30-dB isolation for power levels up to 30 W with a pulsed damage threshold of 5 J/cm2 at 10 ns. Our 4.5-µm optical isolators are designed for use with QCLs in the 4500- to 4600-nm region. They provide >30-dB isolation for power levels up to 2.5 W and >65% transmission at 22 °C.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra August 2023 IssueFiberscopesThe L-Series of rigid industrial-grade micro fiberscopes from Titan Tool Supply Inc. are fiber optic borescopes designed for remote visual inspections and diagnostics in hard-to-reach areas without...Photonics Spectra March 2023 IssueOptical Cesium ClockThe OSA 3350 SePRC™ optical cesium clock from Adva Optical Networking SE delivers extensive timing holdover with high-performance stability and lifetime. The device offers a lifeline to...Photonics Spectra October 2023 IssueHigh-Speed 3D Inspection SystemThe TR7700QH SII ultrahigh-speed 3D automated optical inspection solution from Test Research Inc. features a 15-µm resolution, 21-MP imaging, and large field-of-view capability. The...Photonics Showcase July 2023 IssueAspherical LensesCASTECH offers CNC precision-polished aspherical lenses, with or without antireflection (AR) coatings, to enable our customers from prototype to mass-production stage with greater freedom and...ARTICLESPhotonics Spectra August 2022 IssueSelf-Cleaning Optical Fiber Generates Supercontinuum Light SourcesResearchers at Tampere University collaborated with colleagues at the University of Warsaw and the University of Burgundy France-Comté to create a supercontinuum light source in the...Photonics Spectra July 2022 IssueAn Actively Cooled Mid-IR Telescope Peers Through Space DustWhen the European Space Agency’s (ESA’s) Herschel Space Observatory revealed that the universe was far richer in star-forming dust than previously thought, the engineers who were...Photonics.com 1/31/2024Femtum Raises $3.7M Seed RoundLaser technology startup Femtum has closed a 5 million CAD ($3.7 million) seed round. The funding accelerates its commercialization of mid-IR fiber lasers tailored to semiconductor manufacturing...Photonics Spectra September 2023 IssuePhotonic Chip Transforms Single Light Beam into MultipleResearchers at the National Institute of Standards and Technology (NIST) have devised a photonic circuit on a chip that transforms a single incoming beam of laser light into a panoply of new beams,...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookCamera Resolution: Combining Detector and Optics PerformanceCamera resolution depends upon the optical blur diameter and the detector size. Schade combined these to create an equivalent resolution that is a function of Fλ/d where F is the focal ratio,...Photonics HandbookGaussian and Newtonian Thin Lens FormulasEquation (1) is known as the Gaussian form of the lens equation, after the mathematician Karl F. Gauss. Equation (2), first derived by Sir Isaac Newton, is the Newtonian form of a lens equation. The...Photonics HandbookMeasuring Aspheres: Selecting the Best TechniqueThe benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations and are ideal for focusing or collimating light, as they can achieve a low ƒ-number. Aspheres...Photonics HandbookPressurizationWHITEPAPERSPhotonics.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 3/3/2023X-ray Monochromator Data SheetX-ray Monochromator Data SheetPhotonics.com 5/22/2023Dual-Band Infrared Bandpass FiltersDual-Band IR filters for the MWIR and LWIR provide high performance in-band and out-of-band.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...WEBINARSPhotonics.com 9/8/2022Affordable, Low-Profile Solutions for Gas SensingBrian Sanders and Alfred Mottola of VIGO Photonics share the latest advancements in infrared (IR) detectors for the gas sensing market. These detectors are able to be deployed in small form factor...Photonics.com 5/2/2012Technology Transfer Program - CLEO 2012This is a free webinar presented by Photonics Media & CLEO Do you have a technology you want to commercialize? Are you looking for a license-ready technology? Then you should attend this...Photonics.com 4/19/2023Overcoming Detection Limits of Absorption SpectroscopyAbsorption spectroscopy is a well-known tool for gas sensing, combustion diagnostics, and quantum technologies applications. Techniques like tunable laser absorption spectroscopy (TLAS) are...Photonics.com 4/12/2022Photonics Spectra Spectroscopy Conference 2022: April 12 - 13Discover the latest trends in spectroscopy. Join us April 12-13, 2022 at the Photonics Spectra Spectroscopy Conference! The publishers of Photonics Spectra invite you to attend a free virtual...PHOTONICS DICTIONARY+ TERMSPhotonics DictionaryisolatorIn the context of electronics and optics, an isolator refers to a device that allows the transmission of signals in one direction while attenuating or blocking signals in the opposite direction. The...Photonics DictionaryoptoelectronicsOptoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is...Photonics Dictionaryoptical isolatorAlso known as an optical diode, an optical isolator is a device that utilizes the Faraday effect to suppress or redirect backscattered or backreflected light in order to allow light transmission in...Photonics Dictionaryquantum cascade laserA quantum cascade laser (QCL) is a type of semiconductor laser that operates based on the principles of quantum mechanics. It is a versatile and powerful device used for emitting coherent light in...VIDEOSPhotonics.com 2/23/2017Photonics West 2017 Ushers in the New Year - LIGHT MATTERS 02.2017Photonics Media followed the photons all the way to San Francisco earlier this month for SPIE’s Photonics West 2017. The year truly begins with this event for many in the industry, as it is a symbol...Photonics.com 7/21/2023Introducing DayOpticsAre you curious about DayOptics and the innovative products we offer? Look no further! We've created a brief introduction video that highlights our company and the unique solutions we provide....Photonics.com 9/30/2019About AlluxaGet a tour of our factory and the inside scoop on everything Alluxa has to offer.Photonics.com 4/19/2022Optical Coatings Machinery and Process - Optolong Optics Co. Ltd.Optolong Optics Co. Ltd., brand owner of Optolong, is a manufacturer of fluorescence filters and astronomy filters. We also offer other interference filters including UV filters, visible filters, and...PHOTONICS BUYERS' GUIDE CATEGORIESOptical IsolatorsAn optical isolator is a device used to suppress or redirect backscattered or backreflected light.Mid-Infrared Fiber Optic FibersMid-InfraredA spectrometer is a kind of spectrograph in which some form of detector, other than a photographic film, is used to measure the distribution of radiation in a particular wavelength region.Mid-Infrared LasersCOMPANIESPhotonics 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...Photonics 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,...