A small volume high power semiconductor laser

Abstract

The invention provides a small-volume high-power semiconductor laser, comprising a casing and a plurality of laser chips packaged in the casing, a slow-axis collimating mirror, a first steering optical element and a second steering optical element; each laser chip A first turning optical element, a slow-axis collimator and a second turning optical element are correspondingly arranged; the first turning optical element is arranged in the light emitting direction of the laser chip, and is used for outputting laser light from the laser chip Turning so that the turned laser is parallel to the corresponding inner wall; the slow-axis collimator and the second turning optical element are arranged on the inner wall to use the space on the inner wall of the housing to reduce the volume of the inner bottom surface ; The slow-axis collimating mirror performs slow-axis collimation on the laser output from the laser chip, and the slow-axis collimated laser is diverted by the second steering optical element and then output.

Description

technical field [0001] The invention relates to the technical field of semiconductor lasers, in particular to a small-volume high-power semiconductor laser. Background technique [0002] A laser is a device that can be used to emit laser light. It generates laser light through a laser chip set in it. However, the power of a single laser chip is limited, and the brightness of the generated laser light cannot meet the actual requirements. Therefore, multiple semiconductor laser tubes are required to be superimposed. The brightness of the output laser. In existing lasers, multiple rows of laser chips are generally arranged side by side at the bottom of the laser. In high-power lasers, the size of the laser will be too large due to the large number of laser chips. In addition, the two rows of laser chips in the existing laser are usually arranged on a horizontal plane. Due to light leakage, if the two rows of laser chips are arranged opposite to each other, the laser light expo...

AI Technical Summary

Problems solved by technology

[0002] A laser is a device that can be used to emit laser light. It generates laser light through a laser chip set in it. However, the power of a single laser chip is limited, and the brightness of the generated laser light cannot meet the actual requirements. Therefore, multiple semiconductor laser tubes are required to be superimposed. Brightness of output laser

Existing lasers generally arrange multiple rows of laser chips side by side at the bottom of the laser. In high-power lasers, due to the large number of laser chips, the size of the laser will be too large

In addition, the two rows of laser chips in the existing laser are usually arranged on a horizontal plane. Due to light leakage, if the two rows of laser chips are arranged opposite to each other, the laser light exposed by one row of laser chips will interfere with the optical path of the other row of laser chips. , so it is necessary to stagger the two rows of laser chips, which will further increase the volume required to arrange the laser chips, thereby increasing the overall volume of the laser

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