Beam combiner
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United States of America Patent
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N/A
Issued Date -
Jul 20, 2006
app pub date -
Jun 23, 2004
filing date -
Jun 24, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A laser arrangement with a resonant cavity which is folded by a folding mirror is disclosed. A quarter wave plate and a retro-reflector are arranged outside one of the cavity mirrors. Frequency converted light that exits the cavity through this cavity mirror passes the wave plate twice before re-entering the cavity. In this way, light re-enters the cavity with a polarization direction that is orthogonal to its original polarization direction, and a combined, non-polarized output beam is obtained from the laser arrangement.
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