Non-deviating prism with continuously variable dispersion

Details Non-deviating prism with continuously variable dispersion Non-deviating prism with continuously variable dispersion

1996-06-14

1999-01-19

Spyrou, Cassandra C.

Optical: systems and elements

Prism

Fluid filled

359831, 359665, 359737, 359211, G02B 504, G02B 718, G02B 106, G02B 2608

Patent

active

058620010

ABSTRACT:
A non-deviating prism system (40) and method provides continuously variable dispersion of light with limited deviation. Light is dispersed in a prism arrangement which includes a selected liquid filled in the spaces between adjacent prism elements (41, 51). The indices of refraction and the apex angles of the prisms (41, 51) and the intervening liquid are set to limited deviation according to predetermined relationship. The prisms are mounted near the edges of mutually insertable tubes (62, 64) and a refractive liquid is secured in a containment space bounded by the prism elements (41, 51).

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