| 简介 |
Provided is a pulsed laser light source device having improved overall energy efficiency while achieving high output through an amplifier. A seed laser element 11 provided in a seeder 1 is excited by light having a wavelength of 804 nm from a seeder excitation laser source 3, and resonates with a resonator 10 composed of an output mirror 12 and SESAM 13 and oscillates at a wavelength of 1064 nm. The oscillated seed laser light enters an amplification element 21 excited by light having a wavelength of 975 nm from an excitation laser source 22 for amplification and is amplified by stimulated emission. The seed laser element 11 is a neodymium-added silica glass fiber, and the amplification element 21 is an ytterbium-added silica glass fiber. |
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