MODE-LOCKING METHOD SELECTIVELY USING TWO DIFFERENT WAVELENGTHS, AND LASER DEVICE USING THE SAME
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United States of America Patent
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Issued Date -
Mar 30, 2023
app pub date -
Dec 4, 2022
filing date -
Dec 4, 2022
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Abstract
To provide a mode-locked pulse photoproduction filter for easily realizing self-starting mode-locking, and a laser device for generating a picosecond or femtosecond-pulse laser light by including such filter, the laser device including an amplifying unit for amplifying and outputting a light inside a resonator, and the mode-locked pulse photoproduction filter having a first filter part for selectively outputting a first wavelength component that is a wavelength component of an oscillation band inside the resonator, and a second filter part for selectively outputting a second wavelength component that is a wavelength component different from the oscillation band inside the resonator.
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