Method and apparatus for anamorphically shaping and achromatical

Details Method and apparatus for anamorphically shaping and achromatical Method and apparatus for anamorphically shaping and achromatical

1990-01-08

1991-05-07

Henry, Jon W.

350421, G02B 504

Patent

active

050131362

ABSTRACT:
A method and apparatus for anamorphically shaping a beam of radiation and for deflecting such beam by 90.degree. independently of beam wavelength shifts within a predetermined wavelength range. The apparatus of the invention comprises an achromatic prism comprising a pair of prism elements of different optical materials. The prism elements are joined together to define a complex prism having four faces which interact with an incident beam to achieve a desired beam shaping and deflection. Two of such faces are parallel, one face being in a plane parallel to the direction of propagation of an incident beam, and the other being in a plane perpendicular to the beam exiting the prism.

REFERENCES:
patent: 3541919 (1970-11-01), Weyrauch
patent: 4623225 (1986-11-01), Forkner
patent: 4627690 (1986-12-01), Fantone
patent: 4759616 (1988-07-01), Marchant
patent: 4929067 (1990-05-01), Sander
patent: 4930878 (1990-06-01), Bergner et al.

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