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Fabry-Perot interferometers News
LITE Spectroscopy Resists Light Sources with Phase Demodulation
HARBIN, China, Sept. 12, 2023 — A team at Harbin Institute of Technology led by professor Yufei Ma introduced an approach to phase demodulation of heterodyne light-induced thermoelastic spectroscopy (H-LITES) that uses a Fabry-Pérot interferometer (FPI). Compared with traditional intensity demodulation systems, the new phase demodulation method is structurally simple and is resistant to interference from light sources and the surrounding environment when the LITES technique is used. Diagram of the experimental
The New Technologies Shaping Near-Infrared Spectroscopy
Jan 9, 2020 — Near-infrared (NIR) spectroscopy is the branch of vibrational spectroscopy related to the molecular absorption of light between ~750 to 2500 nm, which has a variety of industrial and medical applications. This region of the electromagnetic spectrum...
Tiny Fiber Fabry-Perot Created with Femtosecond Pulses
May 1, 2008 — Most Fabry-Perot interferometers in optical fiber are intrinsic; that is, they are formed in the fiber core between a pair of reflectors. The alternative is an extrinsic Fabry-Perot, which is formed in the air between two sections of the fiber core....
(3 results found)
May 2024
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