Semiconductor laser precision tune-up and tempeature control device

A temperature control device and semiconductor technology, applied in semiconductor lasers, lasers, laser parts and other directions, can solve the problems of slow temperature adjustment, low alignment accuracy, low control accuracy, etc., and achieve fast temperature adjustment, stable and reliable performance. , the effect of simplifying the adjustment mechanism

Inactive Publication Date: 2007-11-14
NANCHANG HANGKONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing device has complex structure, poor stability and low alignment accuracy
On the other hand, the temperature adjustment speed is slow and the control accuracy is low

Method used

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  • Semiconductor laser precision tune-up and tempeature control device
  • Semiconductor laser precision tune-up and tempeature control device

Examples

Experimental program
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Effect test

Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] This embodiment is composed of a temperature control unit, an adjustment unit, a housing 3 , a base 5 and a joint 6 . Both the temperature control part and the adjustment part are set in the casing 3, the casing 3 is fixed on the base 5, the inner wall of the casing 3 is provided with a heat insulating layer 10, and the bottom of the casing 3 is provided with an L-shaped aviation joint 6 to ensure a compact overall structure . The temperature control part is composed of a laser tube 9, a heat sink 7, a TEC temperature control device 8, and a heat pipe radiator 1. The laser tube 9 is installed on the heat sink 7, the TEC temperature control device 8 is attached to the heat sink 7, and the heat pipe is installed on the back Radiator 1. The alignment part is composed of a beam collimation and photoelectric feedback part 2 and a two-dimensional fine-tuning mecha...

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PUM

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Abstract

This invention dicloses a semiconductor laser alignment and precision temperature control device, Including temperature control by the Ministry, the Ministry of alignment, Shell, a base and joints. Temperature Control and the Department of the Ministry of the true - are installed at the shell, the shell in a fixed base, air installed at the bottom shell connector. Temperature control by the Ministry of laser tube, heat sink, TEC temperature control device, a heat pipe radiator, installed in the laser tube heat sink, the TEC temperature control device affixed to the heat sink, heat pipe back to install radiator, the Ministry of the true - by photoelectric beam collimator feedback and fine-tuning body parts and 2D composed by the two-dimensional fine-tuning agencies regulating frame plate spring, collimating components support slider, adjusting screw on the composition, collimating components rely on support slider and on the plate spring box installed at the regulation, regulation of the screw in the direction perpendicular to each other across the two adjacent frames regulating and extending to the edge components support collimator slider surface. This invention has laser beam alignment and laser temperature control of the two major functions, simple structure, the overall insulation of good, easy-to-use, high precision, stable and reliable performance.

Description

technical field [0001] The invention relates to an alignment and temperature control device, in particular to a semiconductor laser precision alignment and temperature control device. Background technique [0002] With the development of laser technology, the output power of commercialized semiconductor lasers is increasing, and the wavelength range covers visible and infrared. In addition, they have the characteristics of small size, light weight, high efficiency, and low-voltage drive. Therefore, they are widely used in spectral technology, optical heterodyne Detection, optical fiber communication, high-power solid-state laser pumping, medical treatment, processing, and even laser cooling experiments have been more and more widely used. In the various applications mentioned above, the precision and stability of laser output parameters are crucial. [0003] Since the optical radiation wavelength and output power of semiconductor lasers have a great relationship with the ju...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/00H01S5/024H01S5/0683
Inventor 邹文栋杜强
Owner NANCHANG HANGKONG UNIVERSITY
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