Vortex coil-type sunshine pumping fiber laser amplifier and amplification method thereof
A laser amplifier and pump fiber technology, applied in lasers, laser components, phonon exciters, etc., can solve the problem of not fully reflecting the advantages of sunlight-pumped optical communication systems in space applications, limiting system space applicability, low efficiency, etc. problem, to achieve the effect of improving energy transfer efficiency, simple structure and low energy consumption
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Embodiment 1
[0034] see Figure 1-2 . Such as Figure 1-2 As shown, the embodiment of the present invention provides a vortex-coil type sunlight-pumped fiber laser amplifier, comprising a Cassegrain reflector primary mirror 1, a Cassegrain reflector secondary mirror 2, a vortex-coil optical fiber working substance 3, a reflective Base plate 4, pumping sun rays 5, incident port 6, exit port 7, fiber cladding 8, doped fiber core 9 and sun rays 10,
[0035] The Cassegrain reflector secondary mirror 2 is located above the Cassegrain reflector primary mirror 1 and is confocally assembled with the Cassegrain reflector primary mirror 1, and the vortex coiled optical fiber working substance 3 and the The reflective bottom plate 4 is located at the bottom of the main mirror 1 of the Cassegrain reflector, and the vortex coiled optical fiber working substance 3 and the reflective bottom plate 4 are arranged coaxially,
[0036] The pumping solar light 5 axially radiates the Cassegrain reflector pri...
Embodiment 2
[0041] On the basis of Embodiment 1, the embodiment of the present invention also provides a method for amplifying a vortex-coil solar-pumped fiber laser amplifier, including the following steps:
[0042] Step 1, placing the vortex coiled optical fiber working substance on the reflective base plate;
[0043] Step 2: Confocal assembly of Cassegrain mirror primary mirror and Cassegrain mirror secondary mirror, Cassegrain mirror secondary mirror, Cassegrain mirror primary mirror coaxial arrangement, vortex coiled optical fiber working substance and reflective base plate Coaxial placement;
[0044] Step 3, the pumped sunlight axially radiates the primary mirror of the Cassegrain reflector to ensure that the high power density pumped sunlight reflected by the secondary mirror of the Cassegrain reflector vertically irradiates the working substance of the vortex coiled optical fiber;
[0045] Step 4, when the pumping solar light power density reaches a certain height pumping threshold...
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