Method for finding and tracking single-mode operation point of external cavity diode lasers
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United States of America Patent
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Mar 18, 2014
Grant Date -
Nov 15, 2012
app pub date -
Jul 25, 2012
filing date -
Sep 19, 2008
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Abstract
An apparatus comprising: a processor for determining if a laser is operating in a single-mode state and for determining the degree to which one of one or more tunable parameters for the laser must be adjusted so that laser operates in a single-mode state if not operating in a single-mode state, wherein the one or more tunable parameters include the following parameters: the laser current and the wavelength of the output light. The apparatus may include a laser and/or a holographic storage medium. Also provided is a method for determining if a laser is operating in a single-mode state and for determining the degree to which one of one or more tunable parameters for the laser must be adjusted so that laser operates in a single-mode state if not operating in a single-mode state.
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