UNSTABLE RESONATOR WITH VARIABLE OUTPUT COUPLING

Through the use of a relatively inexpensive third mirror on a novel folded hybrid unstable resonator configuration, the optimum output coupling for a given laser design can be explored quickly and easily with a minimum of intracavity mirror alignment. No changes in either the radii of curvature of t...

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Bibliographic Details
Main Authors LAUGHMAN LANNY, SEGUIN VERNON A, SHACKLETON CHRISTIAN J, NEWMAN LEON A, CHENAUSKY PETER P, MUELLER ERIC R
Format Patent
LanguageEnglish
Published 28.08.2008
Subjects
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
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Summary:Through the use of a relatively inexpensive third mirror on a novel folded hybrid unstable resonator configuration, the optimum output coupling for a given laser design can be explored quickly and easily with a minimum of intracavity mirror alignment. No changes in either the radii of curvature of the three cavity optics or their spacing are required for this exploration. In addition to providing techniques for purposefully and systematically introducing mirror edge effects or avoiding edges effects altogether, the invention provides that output beams of different width can be advantageously explored in a relatively simple and straightforward manner. The invention provides that higher geometric magnification cavity designs may be made compatible with low diffraction output coupling in a configuration that uses only three totally reflecting optics.
Bibliography:Application Number: US20080033619