System, method and article of manufacture for a beam splitting acousto-optical modulator
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United States of America Patent
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Jan 6, 2004
Grant Date -
Dec 19, 2002
app pub date -
Jun 15, 2001
filing date -
Jun 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system, method and article of manufacture is disclosed that provides an improved, more efficient, laser beam modulator and splitter. The combined device includes a crystal with a horizontal cross-sectional shape of a pentagon. The crystal includes a top surface, a bottom surface, and a first through fifth sides. The first side and the second side are substantially parallel. An absorber is mounted on the third side. The fourth and fifth sides are substantially opposite to the third side. The fourth and fifth sides form an angle substantially equal to 180 degrees minus the sum of a first a second Bragg angles. The crystal also includes at least one layer. For one embodiment, each layer includes an incident window on the first side, an active window on the second side and a transparent axis between the incident window and the active window. A first and a second transducer are mounted on the fourth and fifth sides.
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