Compact type mid-infrared band four-wavelength same-repetition-frequency all-fiber laser
An infrared band and laser technology, applied in the direction of lasers, laser devices, laser components, etc., to achieve the effects of compact system, high conversion efficiency, good portability and scalability
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[0027] Example 1
[0028] Such as figure 1 As shown in Example 1, a full fiber laser in a compact-shaped infrared wave section four-wavelength, which specifically includes a sequential laser pump source, a first sulfide fiber 17, a rare earth ion-doped optical fiber 23. The second sulfide fiber 25, the first sulfide fiber 17, and the second sulfide optical fiber 25, each engraved with one or one, a multi-pair of fiber gratings (Prague diffraction grating), each pair of fiber gratings constitute a harmonic cavity, each resonance The cavity is used to select a laser of different wavelengths; the first sulfide fiber 17 or the second sulfide fiber 25 performs tapers and coating a two-dimensional material for generating pulsed lasers. The present invention has an interaction between the cascaded transition of the rare earth ion-doped optical fiber 23, and selects the different wavelength laser light by different resonance cavities, so that the resulting laser is saturated with a tapere...
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