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fiber Bragg grating News
Machine Learning Reduces Drift in Fiber Sensors
GAITHERSBURG, Md., Oct. 6, 2022 — Using machine learning and an established mathematical model, scientists at the National Institute of Standards and Technology (NIST) developed a machine learning-based algorithm to predict drift in existing fiber Bragg grating (FBG) temperature sensors. The algorithm could be used to reduce the effect of drift without the need to purchase or develop new sensor technology. “It’s an alternative approach where you can have your cake (keep the existing technology) and eat it too
Tiny Pressure Sensor Measures Minute Changes Within the Body
HONG KONG, Feb. 19, 2021 — Researchers from The Hong Kong Polytechnic University developed a miniaturized, highly sensitive optical fiber sensor that could be used to measure small pressure changes within the body — changes as minute as 2 kilopascals (kPa). The sensor...
Optical Fiber Sensing at Work in New Technologies, Applications
Jul 23, 2020 — To accelerate sustainability, minimize maintenance, and monitor conditions remotely, new photonics solutions in a wide range of industries are required. Whether the aim is to ensure the delivery of electricity, monitor the security of a structure,...
Specialty Fibers Revolutionize Sensing
Jul 21, 2017 — Optical 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 enormous impacts on both sensing applications and...
Technica Opens Singapore Facility
ATLANTA, June 13, 2017 — Sensor and filter developer Technica Optical Components LLC has established a new fiber Bragg grating (FBG) manufacturing facility and advanced technologies center in Singapore. The new operation, Technicasa Singapore Pvt. Ltd., is equipped with...
Sensing with Fiber Bragg Gratings in Rapidly Rotating Structures
Feb 12, 2016 — Although the main use for fiber Bragg gratings (FBG)1 has been in telecommunications (for multiplexing and demultiplexing different wavelength channels and dispersion compensation), FBGs are increasingly used to measure strain and temperature in...
Fiber Optic Sensor Offers Better Monitoring
NÆRUM, Denmark, Feb. 27, 2014 — A new fiber optic acceleration sensor can be used for the high-frequency measurement of small vibrations, which could lead to better condition monitoring of rotating machines such as turbines, pumps, motors and vehicles.
Photonic Sensors Help Keep Earth Clean, Green
Mar 1, 2012 — Spectroscopic, fiber optic sensing, and light detection and ranging (lidar) technologies increasingly are being employed in the wind and geothermal energy sectors; in making fossil fuel exploration, extraction and distribution as well as...
Gaining chirped pulse amplification with fiber only
VILLENEUVE D’ASCQ, France – Optical parametric amplification is a common method for improving laser-based telecommunications by boosting signal strength across long lengths of fiber optics. If you chirp the signal pulses – stretching and recompressing each pulse –...
3S Displays Stable 1064nm Laser at High Power
NOZAY, France, Feb. 8, 2010 – French manufacturer of optical and optoelectronic components for telecommunication networks, 3S Photonics, demonstrated reliable pulsed-operation of its 1064nm wavelength-stabilized diode lasers at high power during a technical presentation at the...
Bell Labs Researcher Wins Tyndall Award
PARIS, Jan. 28, 2010 - Alcatel-Lucent announced that Dr. Randy Giles, director of the optical subsystems and advanced photonics department at Bell Laboratories, has received the 2010 John Tyndall Award, ...
3S Photonics Buys Fiber Units
MONTREAL, Dec. 17, 2009 -- Debt-laden holding company Avensys Corp. announced it will sell its sole operating business, a fiber optic components maker and instrumentation integrator, to 3S Photonics, a manufacturer of optical and optoelectronic components for...
Laser Stretches 167 Miles
BIRMINGHAM, UK, Dec. 16, 2009 – A 270-km (167.7-mile) optical fiber has been transformed into the world's longest laser, a platform capable of delivering next-generation, secure information transmission, including telecommunications and broadband. The engineers at Aston University...
A New World of Fiber Sensors
Oct 1, 2009 — Optical fiber is well-known for its ability to carry information at high speeds over long distances. Twenty years after the first transatlantic fiber optic cable was laid, these strands of ultrapure glass continue to offer unrivaled bandwidths. They...
Photonics Booming in Canada
SAN JOSE, Calif., Feb. 5, 2009 -- The photonics industry is booming in Canada, which just might give new meaning to the phrase "northern lights." The nation has 370 photonics companies that employ 20,000 people, and the industry generates $4.5 billion in Canadian revenue each...
Photonics Booming in Canada
SAN JOSE, Calif., Feb. 5, 2009 -- The photonics industry is booming in Canada, which just might give new meaning to the phrase "northern lights." The nation has 370 photonics companies that employ 20,000 people, and the industry generates $4.5 billion in Canadian revenue each...
Hybrid Sensing Collaboration Formed
Nov 1, 2008 — SensorTran Inc. of Austin, Texas, has signed a cooperative agreement with Micron Optics Inc. of Atlanta to offer an integrated hybrid fiber optic sensing solution. Offering distributed temperature sensing and fiber Bragg grating point sensing...
Optical Physics Researcher Richart Slusher Wins OSA Award
Oct 10, 2006 — Richart E. Slusher, director of Quantum Information Research at Bell Labs in Murray Hill, N.J., is the recipient of the 2006 Max Born Award, presented by the Optical Society of America (OSA), it was announced today. The award is named for German...
Daily News Briefs
Mar 16, 2005 — Robert Rosner has been appointed director of Argonne National Laboratory, effective April 18. His appointment was made by the University of Chicago and approved by Secretary of Energy Samuel W. Bodman. Rosner succeeds Hermann Grunder, who was...
Fiber Laser Interrogates Fiber Bragg Grating Sensors
Dec 1, 2003 — Researchers at Texas A&M University in College Station have designed and built a wavelength-scanned, Q-switched, erbium-doped fiber laser that is uniquely suitable for interrogating a series of multiplexed fiber Bragg grating (FBG) sensors even...
Hybrid Bragg Grating Enables Optical Current Sensor
Oct 1, 2003 — Engineers at City University of Hong Kong have demonstrated a compact, inexpensive optical sensor for alternating and direct currents. The sensor, based on a fiber Bragg grating, has a low susceptibility to temperature variations and offers an...
Minilaser Is Tunable, Single-Frequency Source at 1.5 µm
Oct 1, 2003 — A widely tunable, single-frequency laser operating in the 1.5-µm spectral region has application not only in testing and qualifying C-band telecom components, but also in Doppler-shifted velocity measurements and in spectroscopic studies. A group of...
Tunable Laser Wavelength Calibration for Fiber Sensing
Oct 1, 2003 — Monitoring the wavelength reflected from a fiber Bragg grating can be achieved using tunable laser technology combined with absolute wavelength referencing. Laser sources are preferred for applications such as overseeing the operating conditions of...
(23 results found)
May 2024
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