A Hybrid High Power Single Frequency Laser

Abstract

The invention relates to a hybrid high-power single-frequency laser, comprising an optical fiber seed source unit, a semiconductor optical amplification unit, and a 780nm single-mode polarization-maintaining optical fiber; the optical fiber seed source unit and the semiconductor optical amplification unit are connected through a 780nm single-mode polarization-maintaining optical fiber ; The hybrid single-frequency laser outputs high-power linearly polarized single-frequency laser through a 780nm single-mode polarization-maintaining fiber. The invention combines the advantages of high-power single-frequency fiber lasers and single-frequency semiconductor lasers, simplifies the optical path structure, reduces the number of active optical devices, and reduces system power consumption and system complexity without affecting the single-frequency performance of the laser. It can better meet the needs of engineering applications.

Description

technical field [0001] The invention relates to the field of laser technology, in particular to a hybrid high-power single-frequency laser using a single-frequency fiber seed source and a semiconductor optical amplifier, especially for the application of cold atom interferometers. Background technique [0002] The measurement accuracy of cold atom interferometers (cold atom gyroscopes, atomic gravimeters, and gravity gradiometers) based on matter wave interference has reached or exceeded that of similar instruments in the traditional system, verifying their high-precision sensitive measurement capabilities and high-precision autonomous navigation capabilities. It has extremely high application value in aspects such as national gravity field construction and so on. Cold-atom interferometers are on their way to further improvements in precision and commercialization. [0003] The single-frequency laser participates in all the physical processes of atom manipulation in the col...

AI Technical Summary

Problems solved by technology

[0006] Aiming at the technical problems existing in the prior art, the present invention provides a hybrid high-power single-frequency laser that combines the fiber seed source and semiconductor optical amplification, taking into account the advantages of high-power single-frequency fiber lasers and single-frequency semiconductor lasers. Without affecting the single-frequency performance of the laser, simplifying the optical path structure, reducing the number of active optical devices, and reducing system power consumption and system complexity can better meet the needs of practical applications

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