Composite spectrum synthesis device

A synthesis device and composite technology, applied in the field of laser technology applications, can solve the problems of high difficulty in the design and manufacture of multi-layer dielectric film gratings, expensive narrow-linewidth lasers, and no commercial products, and achieve high-efficiency and high-quality power synthesis, High diffraction efficiency, good for application and promotion
CN105244752AInactive Publication Date: 2016-01-13INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
Publication Date
2016-01-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

Provided in the invention is a technical scheme relating to a composite spectrum synthesis device. According to the technical scheme, the composite spectrum synthesis device comprises a laser sub beam emitter, a beam prism group, a polarizing beam splitter, multi-layer dielectric film gratings, and a polarizing beam combiner. A laser sub beam emitted by the laser sub beam emitter is arranged by the beam prism group and then is split into P light and S light by the polarizing beam splitter; spectrum synthesis is carried out on the P light and the S light respectively by the multi-layer dielectric film gratings arranged at light paths and then the P light and the S light are gathered at the polarizing beam combiner for outputting. According to the device, the two groups of multi-layer dielectric film grating spectrum synthesis units are used for realizing spectrum synthesis of the p polarizing light and s polarizing light and then the polarizing beam combiner is used for completing composite power synthesis, thereby realizing high-brightness laser outputting and overcoming defects that the high light source requirement can not be met and the grating can not be obtained easily according to the existing spectrum synthesis apparatus. Therefore, practicability of the spectrum synthesis device is improved and the manufacturing cost is lowered.
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Description

technical field

[0001] The invention relates to the application field of laser technology, in particular to a composite spectrum synthesis device. Background technique

[0002] The use of spectral synthesis technology can combine multiple laser beams with different wavelengths into one beam, while increasing the total output power while maintaining better beam quality, thereby improving the brightness of the laser. At present, there are two types of known spectral synthesis devices: the first type is based on polarization-dependent multilayer dielectric film gratings, which are composed of polarization-maintaining lasers and polarization-dependent multilayer dielectric film gratings. Multiple laser beams are incident on the grating at different angles. High dispersion capability combines multiple laser beams into one. The disadvantage of this type of device is that it can only achieve spectral synthesis of polarization-maintaining narrow-linewidth lasers, and the power of s...

Claims

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