Achromatic phase retarder arrangement

Details Achromatic phase retarder arrangement Achromatic phase retarder arrangement

1988-09-20

1990-06-05

Henry, Jon W.

350286, 350163, G02F 101, G02B 504

Patent

active

049308785

ABSTRACT:
An achromatic phase retarder comprises at least one prismatic body with two total reflection surfaces. The light entry surface forms an angle of incidence .alpha., which is different from 90.degree., with the direction of incidence of a light beam, and a first total reflection surface forms a defined angle .phi. with the light entry surface.

REFERENCES:
patent: 2964635 (1960-02-01), Harrick
patent: 3597701 (1971-03-01), Cornillault
patent: 3635563 (1972-01-01), Mouchart
patent: 4514047 (1985-04-01), Haskal et al.
J. M. Bennett, "A Critical Evaluation of Rhomb-Type Quarterwave Retarders", Appl. Opt. 9(1970)9, pp. 2123-2129.

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