NEW YORK, Sept. 1 -- Metromedia Fiber Network Inc. will lease dark fiber to Telseon, a metro area Internet infrastructure provider based in Denver, Colo. The agreement allows Telseon access to Metromedia Fiber Network's infrastructure to provide fast, IP-based services for service providers and...Read full articleRelated content from Photonics MediaARTICLESSpecialty Fibers Revolutionize SensingOptical fiber has changed the world by providing millions of kilometers of telecommunication fiber that have transformed how we communicate. But beyond telecommunications, optical fibers are making...EuroPhotonics September 2017 IssueThin 2D Materials Pack a Heavy PunchTwo-dimensional materials such as graphene, as well as composite materials such as the layered semiconductor germanium selenium, could have a big impact on myriad applications. Composite...EuroPhotonics December 2017 IssueSemiconductor Lasers Power UpImprovements to semiconductor lasers promise big changes, from increases in power to expanded wavelengths. Other innovations could mean faster data rates for a bandwidth-hungry world. And then...Photonics Spectra July 2017 IssueSensor Balancing Act for UAVsCommercial applications such as crop disease detection, environmental monitoring, geological exploration and infrastructure inspection are prime examples of how the confluence of drones and sensing...Photonics Spectra March 2018 IssuePRODUCTSMid IR Fiber CollimatorThe FC5 Mid IR Fiber Collimator operates between 2.5μm and 6μm. Output beam is user adjustable. Fine 80 pitch threads allow you to optimize collimation for your operating wavelength and lock it...Promoted Content April 2017 IssueReflectometer Test InstrumentThe AQ1000 optical time-domain reflectometer test instrument from Yokogawa Europe BV. The new instrument joins the existing mid-range AQ1200 series and the high-end AQ7280 series, and is...EuroPhotonics December 2017 IssueNew Micro-Tactical CableAFL’s new Micro-Tactical Fiber Optic Cable combines the ruggedness of military tactical cable designs with the ultra-high fiber density of AFL’s micro-cable technology. Designed for rapid...Promoted Content January 2018 IssueHigh-Vacuum SpectrometerThe Model 207V high-vacuum spectrometer from McPherson Inc. works over a broad spectral range for contaminant-free purge and vacuum applications. The Model 207V is a 670-mm focal length,...Photonics Spectra June 2017 IssueMEDIASCHOTT Solutions for InVitro DiagnosticsLight is not always simply light when it comes to clinical diagnoses, light is the key to prediction accuracy in analytical quality. Our solution: a flexible fiber optic multi-branch device with...Photonics.com 3/14/2018Photonics 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 2/23/2017Light 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.com 1/18/2018A Time to Remember - LIGHT MATTERS 04.22.2016This month, we look at a new optogenetics technique developed at MIT’s Riken Center that uses fiber optic light stimulation to essentially regrow lost synaptic connections in the brain. Researchers...Photonics.com 4/22/2016WHITEPAPERSFISBA’s Fast Axis Collimators Improve Diode Laser System PerformanceDiode lasers are efficient, compact, and robust laser sources, but the output beams from diode lasers are divergent and must be shaped to optimize their optical quality. FISBA’s Fast Axis Collimator...Photonics.com 8/1/2017New Approach for High Reliability, Low Loss Splicing between Silica and ZBLAN FibersIn the past decade, ZBLAN (ZrF4-BaF2-LaF3-NaF) fibers have drawn increasing interest for laser operations at wavelengths where Fused Silica-based (SiO2) fibers do not perform well. One limitation to...Photonics.com 7/5/2018Advances in Precision Motion Control - Part I = Piezo Flexure Mechanisms, Part II = Air BearingsPiezo flexure nanopositioners and air bearings are on the leading edge of precision motion control. Whether it’s the precision, speed, and force of an electro-ceramic piezo actuator or the...Photonics.com 6/1/2018High Damage Threshold Random Anti-Reflection (RAR) Nano Structures on Optical Fiber as Replacement for AR CoatingsThis particular paper covers the key elements of anti-reflective coatings and the comparable improvement in the performance of the fiber through the application of a nano structure surface. More...Photonics.com 11/27/2017WEBINARSComputational 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.com 6/5/2013Fundamentals of Helium Leak DetectionFrom LEDs to medical devices to microelectronics to fiber optics — everything leaks! This 40-minute webinar, presented by Agilent Technologies, will describe the challenges of locating and...Photonics.com 4/17/2018Simulating Metamaterials in the Terahertz RegimeIf you want to learn how to simulate metamaterials in the terahertz regime, then tune into this webinar, presented by COMSOL. Metamaterials are engineered to have specific material properties. They...Photonics.com 4/27/2017PHOTONICS DICTIONARY TERMSphotonicsThe technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and...EDU.photonics.com 3/22/2016high-performance parallel interface (HIPPI)A very high bandwidth communication line often used in fiber optics.EDU.photonics.com 9/8/2009automatic 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...EDU.photonics.com 9/8/2009space-division multiplex (SDM)In fiber optics, the condition in which each fiber of a bundle carries a separate channel.EDU.photonics.com 9/8/2009PHOTONICS HANDBOOK ARTICLESOTDRs: Finding the Weak Spots in Fiber Links: The optical time-domain reflectometer (OTDR) is used to characterize a fiber optic span. It performs single-ended tests and can calculate fiber attenuation and uniformity and splice and connector losses. It can also locate breaks and determine fiber length. Its ability to locate and measure reflectance and loss makes it the troubleshooting and fault locating equipment of choice. New generation OTDRs include advanced functions such as macrobend location, active-fiber testing and automatic trace acquisition.An optical time-domain reflectometer sends short pulses of light into a fiber and measures its reflections as a function of time. The delay of these reflections to the detector as well as their...Photonics HandbookFiber Optics: Understanding the Basics: Nothing has changed the world of communications as much as the development and implementation of optical fiber. This article provides the basic principles needed to work with this technology.Optical fibers are made from either glass or plastic. Most are roughly the diameter of a human hair, and they may be many miles long. Light is transmitted along the center of the fiber from one end...Photonics HandbookPolarization Mode Dispersion: Concepts and Measurement: The performance of high-speed, digital fiber optic communications systems depends upon how reliably the receiver is able to distinguish closely spaced bits of information. Dispersive effects — physical mechanisms that broaden transmitted pulses — degrade this process.There are three fundamentally different dispersive phenomena in optical fiber, of which polarization mode dispersion (PMD) is the most complex. In digital multimode fiber systems, a light pulse...Photonics HandbookConnectors and Splices: Correct Alignment Spells Success: Whether the job is splicing fibers together or connecting fibers to system devices, alignment is the key to success. This article explores the many ways to achieve that goal.Just 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 HandbookPHOTONICS BUYERS' GUIDE CATEGORIESFiber Optic ModulatorsFiber Optic Security SystemsFiber-Loop ResonatorsA-D/D-A Fiber Optic ConvertersCOMPANIESEvanescent Optics Inc.Evanescent Optics Inc. acquired the assets and employee group of Canadian Instrumentation & Research Ltd. in August 2009 and continues production and development of the suite of fiber optic...Photonics Buyers' GuideMicro Laser Systems Inc.We are a manufacturer of high performance Free Space or Fiber Coupled Diode Laser Systems and Optical Systems ranging from 350 nm to 2000 nm and up to 5 W. High stability and low noise are typical...Photonics Buyers' GuideZeus Industrial ProductsZeus delivers precision polymer solutions that transform businesses, markets, and lives. We have dedicated 50 years to building partnerships, products, and services. Headquartered in Orangeburg,...Photonics Buyers' GuidePhotonTec Berlin GmbHPhotonTec Berlin GmbH is located in the Center for Microsystems and Materials (ZMM) in Berlin-Adlershof, Germany. We focus on the development, production, and marketing of fiber-coupled diode lasers...Photonics Buyers' Guide