fused-biconical type couplers splitters Manufacturers

Fiber lasers use rare-earth-doped fiber as the gain medium, and the pump light forms a high power density in the fiber core, causing the "population inversion" of the doped ion energy level. When a positive feedback loop (forming a resonant cavity) is properly added, It produces laser output.

For spectral synthesis technology, increasing the number of synthesized laser sub-beams is one of the important ways to increase the synthesis power. Expanding the spectral range of fiber lasers will help increase the number of spectral synthesis laser sub-beams and increase the spectral synthesis power [44-45]. At present, the commonly used spectrum synthesis range is 1050～1072 nm. Further expanding the wavelength range of narrow linewidth fiber lasers to 1030 nm is of great significance to the spectrum synthesis technology. Therefore, many research institutions have focused on short wavelength (wavelength less than 1040 nm) narrow line Wide fiber lasers were studied. This paper mainly studies the 1030 nm fiber laser, and extends the wavelength range of the spectrally synthesized laser sub-beam to 1030 nm.

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Ultra-long distance non-relay optical transmission has always been a research hotspot in the field of optical fiber communication. The exploration of new optical amplification technology is a key scientific issue to further extend the distance of non-relay optical transmission.