Optical system having polarization compensating optical system

Details Optical system having polarization compensating optical system Optical system having polarization compensating optical system

1998-06-23

2000-10-24

Spyrou, Cassandra

Optical: systems and elements

Compound lens system

Microscope

359351, 359371, 359499, 355 53, G02B 2106

Patent

active

061376264

ABSTRACT:
An optical system having a polarization compensating optical system capable of compensating for retardation with high accuracy. The polarization compensating optical system includes a half-wave plate (22), a first optical system (23a) having at least one uncoated refracting surface (26, 27), and a second optical system (23b) having at least one coated refracting surface (24, 25). The total rotation of the polarization plane introduced in rays passing through the entire optical system is reduced to approximately zero by rotation of the polarization plane produced by the first optical system (23a), and the total retardation introduced in the rays is reduced to approximately zero by retardation produced by the second optical system (23b).

REFERENCES:
patent: 2303906 (1942-12-01), Benford et al.
patent: 2936673 (1960-05-01), Hyde et al.
patent: 3052152 (1962-09-01), Koester
patent: 5303001 (1994-04-01), Jeong et al.

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