Achromatic prism beam expander for high magnification and tunabl

Details Achromatic prism beam expander for high magnification and tunabl Achromatic prism beam expander for high magnification and tunabl

1988-11-18

1990-11-20

Davie, James W.

Coherent light generators

Particular beam control device

350286, 350421, H01L 300

Patent

active

049724290

ABSTRACT:
A prism beam expander in which the incoming beam is essentially achromatically expanded by 100-500 times in one dimension with transmission through the prism beam expander exceeding 40%. In addition, the input beam is nearly collinear with the output beam. The prism beam expander includes 6 prisms in a preferred system, at least 2 of the apexes of which are oriented on the first side of the optical path while at least 2 of the apexes of the remaining prisms are oriented on the second side of the optical path. The achromatic, high-magnification collinear prism beam expander is used in a tunable laser achieving very narrow linewidths.

REFERENCES:
patent: 4016504 (1977-04-01), Klauminzer
patent: 4127828 (1978-11-01), Klauminzer
patent: 4255718 (1981-03-01), Herbst
Besse, Arthur L., "Expansion of Laser Beam in Only One Dimension", Applied Optics, vol. 7, No. 11, Nov., 1968, p. 2322.
Houston, Jr., Joseph B., "Optical Systems Manufacturing Technology", Optical Engineering, vol. 13, No. 4, July, 1974, pp. 6160-6161.
Trebino, "The Achromatic N-Prism Beam Expander: Optical Configurations", Oct., 1984, Submitted to Applied Optics.
Klauminzer Conference Paper Abstract, "New High Performance Short Cavity Dye Laser Design", P.D. #18, June 1-3, 1977, Washington, D.C.

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