LASER APPARATUS WITH FEEDBACK FOR DISPERSIVE OUTPUT TO A PIN-HOLE ELEMENT
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United States of America Patent
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Issued Date -
Oct 28, 2010
app pub date -
Apr 23, 2009
filing date -
Apr 23, 2009
priority date (Note) -
Abandoned
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Abstract
There is provided a laser apparatus that includes a laser emitter configured to emit a laser emitter output beam. The apparatus includes a transmissive grating positioned with the laser emitter output beam incident upon the grating. The grating transmits a first order output beam. The apparatus includes a feedback element positioned with the first order emitted beam incident upon the feedback element. The feedback element returns a feedback element return beam incident upon the grating. The feedback element transmits a feedback element output beam at a feedback element output beam width. The laser apparatus includes a pin-hole element with a pin-hole positioned with the feedback element output beam incident upon the pin-hole. The feedback element output beam width is not greater than the pin-hole width. The pin-hole element transmits a pin-hole output beam at a pin-hole element output beam width less than the feedback element output beam width.
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