Optical interferometer and signal synthesizer using the interfer

Details Optical interferometer and signal synthesizer using the interfer Optical interferometer and signal synthesizer using the interfer

1997-12-23

2000-07-18

Kim, Robert H.

Optics: measuring and testing

By particle light scattering

With photocell detection

G01B 902

Patent

active

060914955

ABSTRACT:
A femtosecond pulse incident on a Mach-Zehnder interferometer is divided into two optical paths and thereafter synthesized again. The synthesized optical pulse is outputted as complementary two output optical pulses corresponding to the difference between optical paths. An optical interferometer for monitoring fluctuations of the optical path difference from one of two output optical pulses produced from an interferometer, effecting feedback on the optical path difference and providing an operation stabilized in a relation of 1/20 or less the central wavelength, and an optical signal synthesizer using the interferometer are provided.

REFERENCES:
patent: 5293213 (1994-03-01), Klein et al.
patent: 5323229 (1994-06-01), May et al.
patent: 5689361 (1997-11-01), Damen et al.
Brun et al., "Single-Shot Characterization of ultrashort light pulses," 24 J. Phys., Aug. 1991.

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