Beam expander

Details Beam expander Beam expander

2005-01-11

2005-01-11

Schwartz, Jordan M. (Department: 2873)

Optical: systems and elements

Collimating of light beam

C359S726000, C359S729000

Reexamination Certificate

active

06842293

ABSTRACT:
A laser beam includes a concave or convex mirror which is reflective for wavelength of the high intensity beam. The reflective mirror is located along a preselected path of a high intensity laser beam so that the high intensity laser beam intersects the mirror at a first position. A beam collimator is located in the path of the high intensity beam reflected by the concave or convex mirror. The concave or convex mirror is movably mounted desirably rotatably mounted in the path of the high intensity beam. Desirably the mirror is rotated about a preselected axis. Desirably, the axis is selected so that when the mirror is rotated to a new position, the high intensity beam will be reflected along the same path to the collimator as it was prior to any rotation.

REFERENCES:
patent: 5172277 (1992-12-01), Wahl et al.
patent: 6356576 (2002-03-01), Smith
patent: 6407363 (2002-06-01), Dunsky et al.
patent: 20020054434 (2002-05-01), Florczak et al.
patent: 20020164069 (2002-11-01), Nagano et al.

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