Solid state lasers
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United States of America Patent
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-
Mar 21, 2000
Grant Date -
N/A
app pub date -
Jan 27, 1998
filing date -
Nov 9, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A solid state laser has an elongate slab of lasing material having a rectangular cross section with the lower face of the slab contacting a slab mount which is of a high thermal conductivity material. Energy to drive the lasing medium is provided by a flash lamp. Upper and lower faces of the slab are polished to an optically smooth finish so that light is able to propagate in a generally axial direction through the slab. Side faces of the slab are polished and then re-roughened to provide a finish with a surface damage zone comparable in depth to the wavelength of the lasing emission. For a lasing wavelength of one micrometer, the depth of surface damage is in the region of one micrometer.
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