High-power short-wavelength fiber laser device
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United States of America Patent
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Issued Date -
Jul 1, 2010
app pub date -
Dec 31, 2008
filing date -
Dec 31, 2008
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Abandoned
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Abstract
A high-power, short-wavelength fiber laser device combines the known advantages and well-developed technology of long-wavelength fiber lasers with the concepts of both non-linear frequency doubling and non-linear sum frequency mixing to generate visible blue laser light at a wavelength of about 427 nm. The device includes a thulium fiber laser emitting light at a wavelength of 1900 nm, and an erbium fiber laser emitting light at a wavelength of 1550 nm. The light from each of the fiber lasers is frequency doubled in respective non-linear converters, resulting in respective light sources at 950 nm and 775 nm. The resulting 950 nm and 775 nm light is combined and mixed in a non-linear sum frequency mixer to produce a single short-wavelength beam of light having a wavelength of about 427 nm.
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