Coherent light generators – Particular beam control device – Tuning
Patent
1990-10-29
1993-05-25
Davie, James W.
Coherent light generators
Particular beam control device
Tuning
372 32, 372 98, H01S 310
Patent
active
052146596
ABSTRACT:
Angles of inclination of the two wavelength selection elements arranged on an optical path of a laser beam source are varied to make a laser output variable. Light transmitting ranges of the two wavelength selection elements are coincided with each other so as to adjust the light wavelength bands, thereby the laser beam is narrowed without increasing its fineness.
REFERENCES:
patent: 3914055 (1975-10-01), Wolga et al.
patent: 4947398 (1990-08-01), Yasuda et al.
patent: 4975919 (1990-12-01), Amada et al.
Voumard, C., "External-cavity-controlled 32-MHz narrow-band cw GaAlAs-diode lasers", Optics Letters, vol. 1, No. 2, Aug. 1977, pp. 61-63.
Oeda Yasuo
Ohmata Ken
Shimazaki Kazuo
Terada Mitsugu
Terashi Yuichiro
Davie James W.
Mitsui Petrochemical Industries Ltd.
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