Request InfoEvanescent Optics Inc.Evanescent Optics Inc. offers a variable-ratio polarization-maintaining coupler at wavelengths from 0.7 to 2.04 µm. It is tunable over a 0 to 99% coupling range at pre-selected wavelengths. Its extinction ratio is <224 dB with loss of <0.1 dB. Single-mode non-polarization-maintaining versions are also available, and a computer-controlled version is in development. Standard pigtail length is 1 m, with longer lengths available.See full productRelated content from Photonics MediaPRODUCTSPromoted Content February 2024 IssueFiber Optic De-SpecklerNewport™ fiber optic de-specklers maximize performance and reliability in illumination by eliminating modal interferences for cw to modulation up to 10 kHz, with no optical loss. This small,...Photonics Showcase March 2024 IssuePowerFiber and 3420 ConnectorsPowerFiber Connectors (PFC) are designed for mating high-power assemblies with an expanded beam to increase power handling. Available in FC, E-2000, and 3420 Connector formats. The 3420 Space...BioPhotonics Mar/Apr 2024 IssueBragg Grating Notch FiltersThe WSF series from TeraXion comprises all-fiber band-stop (notch) filters that are used to selectively attenuate or block a wavelength or a range of wavelengths while allowing others to pass...Photonics.com 10/11/2022Fiber Optic TransceiversThe fiber optic transceiver line from L-com has been expanded to offer 300 additional models, with various supported wavelengths, distances, and data rates. The coarse wavelength division...ARTICLESPhotonics Spectra May 2023 IssueLuminate NY Reveals Companies Selected for Sixth CohortEmpire State Development (ESD) has announced the 10 companies selected to take part in round six of the Luminate NY accelerator program, investment fund, and competition. Each finalist will receive...Photonics Spectra June 2022 IssueAs PIC Production Ramps Up, Fabricators Eye Alignment OptionsThe early 2000s saw the rapidly growing global appetite for data collide with the limitations of copper-based wire networks. The performance of these conventional data transmission systems declined...Photonics.com 9/2/2022Luminate, Qubits Ventures Launch Quantum and Photonics Pitch Competition: Week in Brief: 09/02/2022Lidar technology company Cepton received a nonbinding letter of intent for an investment of up to $100 million from its long-term automotive Tier 1 partner and current shareholder Koito Manufacturing...Photonics Spectra December 2023 IssueElectro-Optic Modulators Improve Signal Quality and Cancel NoiseDelays in optical data transmission cause inconvenient lag times in communications and interfere with immersive experiences like gaming. Two factors that adversely affect the speed and reliability of...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookSpectrum Analysis for DWDM: New Instruments Meet the ChallengeAs system and cable installers try to optimize their links, the preferred method has become high-speed DWDM. This demand for bandwidth has led to the development of new test and measurement...Photonics HandbookFiber Lasers: Continuing to Power GrowthEarly fiber lasers were inefficient and limited to low powers, until more effective methods emerged to deliver the pump light into the cladding. Valentin Gapontsev, founder and CEO of IPG Photonics,...Photonics HandbookConnectors and Splices: Correct Alignment Spells SuccessJust as an electronic connector provides a pluggable connection between electronic circuits, a fiber optic connector provides an optical one. The goal is joining a fiber to a transmitter, receiver or...Photonics HandbookCharacterizing High-Speed Transmitters: The Emphasis Is on WaveformsAn indicator of how well the entire system performs is a measurement called bit-error-ratio (BER). Acceptable BERs range from one error per billion to one per trillion bits transmitted. It is rare...WHITEPAPERSPhotonics.com 5/4/2022Specialty Fiber Preforms for Industrial ApplicationsEnabling new laser applications with fused silica fibers.Photonics.com 10/13/2023Unveiling Insights: Remote Sensing Mapping Laser SolutionsExplore Lumispot Tech's advanced remote sensing mapping laser solutions, enhancing geospatial technology and insights. Delve into our capabilities in satellite imagery, aerial mapping, and spatial...Photonics.com 7/21/2022Fiber Optic Reflectors for FTTx Network Link MonitoringIn the PON (Passive optical network), especially the complex point-to-multipoint PON ODN (Optical distribution network) topology environment, the rapid monitoring and diagnosis of optical fiber...Photonics.com 10/13/2023Lumispot Tech Laser Solution- Pulsed Fiber Laser For Automotive Laser LIDAR EquipmentLumispot Tech Laser Solution - Light source of 1550 nm/1535 nm pulsed fiber laser for laser lidar used in unmanned driving, with the function of ranging, detection etc.WEBINARSPhotonics.com 12/12/2023Profiling Tightly Focused Beams in 2D Using Camera-Based Beam Profilers and Magnification OpticsBeam profilers are critical tools for characterizing lasers and light sources, whether the goal is to gain fundamental knowledge during research and development, to set important design parameters...Photonics.com 4/12/2022Advancements in Fiber Optics for SpectrometersOptical fibers are an important component in modern spectroscopy, enabling remote sampling, flexible measurements, and smaller instruments. But using fiber optics in spectroscopy systems entails...Photonics.com 5/10/2022Expanding Implementation of Fast Optimization Technology for Photonics, Optics, and Quantum Manufacturing ApplicationsAlignment time is the largest contributor to the cost of silicon photonics and optical assemblies. New industrial automation technology dramatically shortens the time required to optimally align...Photonics.com 6/5/2013Computational Microscopy, Sensing and Diagnostics for Telemedicine and Global Health ApplicationsAdditional Questions and Answers from the Webinar are below: With more than 6 billion cell phone users in the world, the majority of them in developing countries, there are opportunities for...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryhigh-performance parallel interfaceA very high bandwidth communication line often used in fiber optics.Photonics Dictionaryautomatic profilingIn fiber optics, the use of a detector to study the range of refractive indices achieved at various wavelengths. This information is calculated electronically to establish the divergence between...Photonics Dictionaryintensified vidiconA standard direct-readout vidicon tube linked by fiber optics to an intensifier for increased sensitivity.Photonics Dictionaryfiber opticsThe use of thin flexible glass or plastic fibers as wave guides — or "light pipes" — to channel light from one location to another. Fiber optics is based off of the principle of total...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 5/25/2021Bishnu Pal: A Guide Through Guided Wave OpticsBishnu Pal, author of "Frontiers in Guided Wave Optics and Optoelectronics" and dean of academics at Mahindra University's Ecole Centrale School of Engineering, is our guest. From his start in...Photonics.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 9/28/2017Merging Industry and Education Through Photonics - LIGHT MATTERS 09.2017Tune into this month’s edition of Light Matters for the complete list of Photonics Media’s Industry Beacon award winners. We’ll also introduce you to an Industry Beacon in the Educator category, and...PHOTONICS BUYERS' GUIDE CATEGORIESCable Management ProductsLaser Diode Test EquipmentFiber Optic RoutersFiber Optic ModemsCOMPANIESPhotonics Buyers' GuideEvanescent Optics Inc.Polarization Maintaining Couplers Evanescent Optics Inc. offers low loss (<0.1dB), high isolation (<-25dB) PM fiber-optic couplers in both fixed ratio and variable models. Our small...Photonics Buyers' GuidePhotonics MediaPhotonics Media is the publisher of Photonics Spectra, BioPhotonics, and Vision Spectra magazines in print, digital and mobile app formats; the Photonics Marketplace featuring the Photonics Buyers'...Photonics Buyers' GuideLambda Research Optics Inc. (USA)Lambda Research Optics, Inc. is a leading manufacturer of laser optics with high power thin-film coatings and high precision fabrications. Lambda serves a wide range of industries, such as Biotech,...Photonics Buyers' GuideMicro Laser Systems Inc.We are a manufacturer of Diffraction Limited Fiber Coupled Laser Systems, Optical Systems, and Fiber Optic Systems from 240 nm to 6000 nm. Unique products include various sizes of Fiber Collimators,...