Optical decoupling arrangement for laser beam

Details Optical decoupling arrangement for laser beam Optical decoupling arrangement for laser beam

1994-01-18

1995-04-11

Bovernick, Rodney B.

Coherent light generators

Particular beam control device

Tuning

372 32, 372 99, 372100, 372102, H01S 3106, H01S 3081

Patent

active

054065712

ABSTRACT:
A tunable laser oscillator, comprises a laser medium, an optical resonator, a wavelength selective element for adjusting the wavelength of a laser beam, and optical means for broadening the radiation in the resonator. The laser beam is decoupled from the resonator by means of an optical element after having passed the broadening means and prior to passing again through the laser medium. The laser beam is decoupled from the resonator such that its direction is independent of the beam wavelength.

REFERENCES:
patent: 3739295 (1973-06-01), Shah
patent: 4127828 (1978-11-01), Klauminzer
patent: 4399540 (1983-08-01), Bucher
patent: 4972429 (1990-11-01), Herbst
patent: 5226050 (1993-07-01), Burghardt
R. Konig, S. Mory and A. Rosenfeld, "Small Line Width Nanosecond Dye Laser of High Spectrual Purity With Double Functional Grating", J. Phys. E:Sci. Instrum. pp. 200-203, 1987.
Ulrich Krackhardt, Joseph N. Malt, and Norbert Streibl, "Upper Bound on the Diffraction Efficiency of Phase-Only Fanout Elements", Applied Optics. vol. 31, No. 1, pp. 27-37, Jan. 1, 1992.

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