Optical: systems and elements – Polarization without modulation – Depolarization
Patent
1997-09-15
2000-07-04
Henry, Jon
Optical: systems and elements
Polarization without modulation
Depolarization
359500, 359352, G02B 530
Patent
active
060847085
ABSTRACT:
The invention is directed to a double refracting planar plate arrangement and a .lambda./4 plate suitable for deep ultraviolet light. The .lambda./4 plate or the like is configured as a planar plate with stress-induced birefringence. The planar plate 1 is made of high quality quartz glass and is torsion-free and uniformly loaded in tension via suitable construction having several parallel tension devices (3, 7).
REFERENCES:
patent: 2313349 (1943-03-01), Land
patent: 2823491 (1958-02-01), Long
patent: 3957375 (1976-05-01), Hadeishi
"Simple process for building large homogeneous adaptable retarders made from polymeric materials" by F. Delplancke et al, Applied Optics, vol. 34, (1995) No. 16, pp. 2921 to 2926.
Carl-Zeiss-Stiftung
Henry Jon
Ottensen Walter
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