Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
Patent
1999-03-08
2000-10-31
Spyrou, Cassandra
Optical: systems and elements
Extended spacing structure for optical elements
Extension of tubular element adjustable
359352, 359494, 385 11, G02B 2728, G02B 530, G02B 600
Patent
active
061411485
ABSTRACT:
A birefringent plate arrangement with stress birefringence has pressure or shear shoe devices that engage on the sides of a birefringent plate. A plate with rectangular steps is provided for the round cross section of a pencil of light rays. The arrangement includes hydraulic transmission produced by weight force, and thermosymmetric construction.
REFERENCES:
patent: 3600611 (1971-08-01), Treharne
patent: 3867014 (1975-02-01), Kemp
patent: 5528400 (1996-06-01), Arakawa
patent: 5566023 (1996-10-01), Kley
patent: 5579420 (1996-11-01), Fukushima
patent: 5625427 (1997-04-01), Araujo et al.
Carl-Zeiss-Stiftung
Spyrou Cassandra
Winstedt Jennifer
LandOfFree
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