Optical selector device using a Fizeau wedge for reflection

Details Optical selector device using a Fizeau wedge for reflection Optical selector device using a Fizeau wedge for reflection

1981-10-09

1984-08-28

Lee, John D.

Coherent light generators

Particular resonant cavity

372108, 372 20, 372 94, 372 98, H01S 308

Patent

active

044687753

ABSTRACT:
When a sufficient reflectivity and a low absorption power are given to its dihedron of reflective surfaces, a Fizeau wedge can serve as a directional optical selector which supplies a narrow band of wavelengths in a first direction and the remainder of the incident wavelengths in another direction. A laser with colorant COL can then be defined by the Fizeau wedge CF and an output mirror M.sub.1, with two diaphragms D interposed. Tuning is variable by relocation of the Fizeau wedge in its plane and relates either to a narrow line or a narrow gap in a wide band. Several lines can also be tuned separately.

REFERENCES:
"Tuning of Dye Lasers with a Reflecting Fizeau Wedge," Meyers et al., Opt. Comm., vol. 35, No. 1, (Oct. 1980).

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