Optical system with beam propagation extension

Details Optical system with beam propagation extension Optical system with beam propagation extension

2005-10-06

2009-06-30

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

C359S726000

Reexamination Certificate

active

07554738

ABSTRACT:
An optical system with an optical beam propagation extension, having an input and an output for the optical beam. The system includes at least two optical reflection elements for reflection of the beam, arranged to extend the propagation of the beam by reflection on the reflection elements, and at least one optical beam transmission element arranged to be traversed at least twice by the optical beam in different directions during propagation of the optical beam in the optical system. The optical transmission element ensures an optical transformation of the optical beam each time the optical beam passes through so as to correct the divergence thereof.

REFERENCES:
patent: 4969156 (1990-11-01), Schiller et al.
patent: 5303250 (1994-04-01), Masuda et al.
patent: 2002/0141697 (2002-10-01), Yoon et al.
patent: 0 514 758 (1992-11-01), None
patent: 2 390 725 (1978-12-01), None

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