Laser for providing rapid sequence of different wavelengths

Details Laser for providing rapid sequence of different wavelengths Laser for providing rapid sequence of different wavelengths

1986-12-31

1988-06-14

Sikes, William L.

Coherent light generators

Particular beam control device

Producing plural wavelength output

372 14, 372 20, 372102, 372103, H01S 3082

Patent

active

047517069

ABSTRACT:
The optical cavity of the present laser has a folded optical path with a pair of reflective diffraction gratings and a gain cell in it. A disk with radially distributed perforations rotates in the optical path between the gratings and the gain cell. The laser wavelength depends upon which perforation is aligned with the slot in a slotted plate also in the optical path. The laser output consists of a sequence of different wavelength but colinear rays.

REFERENCES:
patent: 3561869 (1971-02-01), Cason, III et al.
patent: 4287486 (1981-09-01), Javan
patent: 4425648 (1984-01-01), Holly
Faxvog et al.; "Rapidly Tunable CO.sub.2 Tea Laser"; Applied Optics, vol. , No. 22, Nov. 15, 1982; pp. 3986-3987.
Sheffield et al.; "An Independently-Locking"; Applied Physics Letters, vol. 29, No. 9, Nov. 1, 1976; pp. 558-590.

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