Non-deviating prism with continuously variable dispersion
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United States of America Patent
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Jan 19, 1999
Issued Date -
N/A
app pub date -
Jun 14, 1996
filing date -
Aug 1, 1994
priority date (Note) -
Expired
status (Latency Note)
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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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