Coherent light generators – Particular beam control device – Optical output stabilization
Patent
1997-12-18
1999-09-07
Davie, James W.
Coherent light generators
Particular beam control device
Optical output stabilization
372 20, 372 49, 372 98, 372 99, H01S 313
Patent
active
059498048
ABSTRACT:
A semiconductor light emission device includes a semiconductor light amplifier, a mirror which reflects light emanating from an end face of the semiconductor light amplifier to return to the end face of the semiconductor light amplifier and a wavelength selector which is inserted into the optical path of the light. The wavelength selector is a Lyot filter, an etalon or a combination of a Lyot filter and an etalon.
REFERENCES:
patent: 5559816 (1996-09-01), Basting et al.
patent: 5608743 (1997-03-01), Hayakawa
patent: 5809048 (1998-09-01), Shichijyo et al.
"1W, CW, Diffraction-Limited, Tunable External-Cavity Semiconductor Laser", D. Mehuys et al., Electronics Letters, vol. 29, No. 14, pp. 1254-1255, Jul. 1993.
Davie James W.
Fuji Photo Film Co. , Ltd.
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