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Mach-Zehnder interferometer News
Hybrid Interferometer Achieves Record-breaking Strain Resolutions
HUNTSVILLE, Ala., Aug. 9, 2022 — Researchers at the University of Alabama in Huntsville (UAH) have invented an ultrahigh-resolution interferometer that is sensitive enough to detect weak acoustic signals that are too faint to be picked up by other sensor types. The interferometer is based on a hybrid design that combines the advantages of a double-path configuration with the benefits of optical resonators. Nabil Md Rakinul Hoque, who is credited with the invention, embedded an optical resonator-based interferometer
Interferometry reveals 'social behavior' of Photons
ENSCHEDE, Netherlands, Oct. 28, 2021 — The photon is one of the particle types, called bosons, that is able to form a Bose-Einstein condensate. The ability of photons to condense in the state known as a Bose-Einstein condensate is how liquid light is derived. To understand the physical...
Quantum sensor sets new limits
BATON ROUGE, La. – Researchers at Louisiana State University (LSU) are taking advantage of the quantum properties of light to design the world’s most sensitive optical interferometer. Optical interferometers are used in a vast range of applications, including...
Inclinometer Shows Versatility of Fiber Optic Sensors
Dec 1, 2006 — There are a multitude of techniques with which to measure temperature, strain, pressure and other parameters with fiber optic sensors. In yet another example of the versatility of optical fibers as measurement devices, a collaboration of scientists...
Tunable Slow Light Achieved in Silicon Photonic Crystal
Jan 1, 2006 — Scientists at IBM’s T.J. Watson Research Center in Yorktown Heights, N.Y., have carefully measured the slowing of light in a silicon photonic crystal and have demonstrated that the amount of slowing can be controlled by heating the crystal. Slow...
Srico to Develop Optical Modulators
Sep 7, 2005 — COLUMBUS, Ohio, Sept. 7 -- Srico, a Columbus-based photonics company, was awarded a $750,000 Phase II Small Business Innovation Research (SBIR) contract to continue development for the US Air Force of an ultrahigh dynamic range modulated optical...
Teams Try New Approaches to Fiber Sensors
May 1, 2004 — A pair of unrelated papers published recently in Optics Letters illustrates the diversity of interesting and promising new approaches to fiber optic sensors that scientists currently are investigating. In one, the principle of cavity ringdown...
All-Optical Device Switches Signal Wavelength
Jul 1, 2003 — Researchers at the University of California, Santa Barbara, have developed what they call a "tunable photon copier," an integrated device that receives an input signal at one wavelength and converts it to another. The 0.5 x 3-mm indium phosphide...
Smooth Plasma Would Improve X-Ray Lasers
LIVERMORE, Calif. — Smoothing the plasma from an x-ray laser amplifier could improve the device's efficiency by up to 50 percent, according to researchers at the Lawrence Livermore National Laboratory. The research team, led by Robert Cauble and Luiz Da Silva, made...
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May 2024
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