The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 16, 2010

Filed:

Jul. 07, 2008
Applicants:

Leon A. Newman, Glastonbury, CT (US);

Vernon A. Seguin, Windsor, CT (US);

Lanny Laughman, Bolton, CT (US);

Adrian Papanide, Sheldon, CT (US);

Inventors:

Leon A. Newman, Glastonbury, CT (US);

Vernon A. Seguin, Windsor, CT (US);

Lanny Laughman, Bolton, CT (US);

Adrian Papanide, Sheldon, CT (US);

Assignee:

Coherent, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 3/08 (2006.01); G02B 5/08 (2006.01); G02B 7/182 (2006.01);
U.S. Cl.
CPC ...
Abstract

A laser mirror assembly is disclosed with improved pointing stability. An elongated mirror includes a concave reflecting portion. A pair of elongated planar portions extend parallel to the concave reflecting portion on either side thereof. The planar portions are stepped down from the reflecting portion. The mirror is formed from copper. A pair of stainless steel strips are connected to planar portions. The bimetallic effect between the copper mirror and the stainless steel strips operates to counteract the warping of the mirror due to differential heating effects which arise during operation. In an alternate embodiment, a pair of aluminum strips are mounted on the rear surface of the mirror.


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