Line narrowing module
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United States of America Patent
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Feb 28, 2012
Grant Date -
Aug 11, 2011
app pub date -
Apr 14, 2011
filing date -
Nov 30, 2004
priority date (Note) -
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Abstract
An apparatus is disclosed which may comprise a grating receiving light, a first prism moveable to coarsely select an angle of incidence of the light on the grating, and a second prism moveable to finely select an angle of incidence of the light on the grating. In one application, the apparatus may be used as a line narrowing module for a laser light source.
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