| 简介 |
A fiber laser comprising a solid state laser fiber doped with a rare earth element, a first grating fiber provided at one of the opposite ends of the solid state laser fiber along the optical axis thereof, and a first reflection element provided at the other end of the solid state laser fiber, wherein the first and second reflection elements constitute a resonance structure for the solid state laser fiber, the first grating fiber Bragg reflects only first polarized light having a first wavelength, and a second polarized light having a second wavelength different from the first wavelength and the direction of polarization intersecting that of the first polarized light perpendicularly and the reflection wavelength of at least one kind of light reflected on the first reflection element matches the wavelength of one of two kinds of polarized light Bragg reflected by the first grating fiber. |
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