Optical wavelength converting apparatus

Details Optical wavelength converting apparatus Optical wavelength converting apparatus

1992-07-29

1994-01-11

Bovernick, Rodney B.

Coherent light generators

Particular beam control device

Having particular beam control circuit component

372 22, 372 31, 359328, H01S 313

Patent

active

052788695

ABSTRACT:
An optical wavelength converting apparatus comprises a semiconductor laser, which is capable of oscillating in a multiple longitudinal mode, and an external resonator for resonating a laser beam, which has been radiated out of the semiconductor laser and which serves as a fundamental wave. An optical wavelength converting device is located in an optical path of the fundamental wave, which has been resonated by the external resonator. A device feeds part of the fundamental wave, which has been resonated by the external resonator, back to the semiconductor laser. A wavelength-converted wave in a single longitudinal mode is thereby obtained, which wave has a high intensity and is stable.

REFERENCES:
patent: 5099486 (1992-03-01), Acharekar et al.
patent: 5130996 (1992-07-01), Amano et al.
patent: 5142542 (1992-08-01), Dixon
Applied Physics Letter, vol. 50, No. 24, Jun. 15, 1987, p. 1713.
"Laser. Atomic Oscillator and Extreme Photon Engineering", Symposium, promoted by the Japan Society of Applied Physics, Jan. 1990, p. 38.

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