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Blue light laser and method for making the same

A laser, blue light technology, applied in the laser field, can solve the problems of high cost and large volume, and achieve the effect of eliminating mechanical vibration, increasing numerical aperture, and increasing gain

Inactive Publication Date: 2008-07-30
SHANDONG LANFENG SCI & TECH
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Problems solved by technology

The products produced have disadvantages such as high cost and large volume

Method used

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  • Blue light laser and method for making the same

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Embodiment Construction

[0029] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] figure 1 It is the structure of the blue laser of the present invention, including a housing 4, a semiconductor laser 1, a focusing system 2, a cavity mirror 3, a collimation system 5, a frequency doubling crystal 6, a laser crystal 7, a tube holder 8, and a temperature control system 9. The lasers are arranged in sequence according to the stem 8 , the semiconductor laser 1 , the focusing system 2 , the laser crystal 7 , the frequency doubling crystal 6 , the cavity mirror 3 , and the collimation system 5 . The temperature control system 9 is located at the rear end of the tube base 8. There is a ring-shaped temperature control system around the frequency doubling crystal 6 .

[0031] The lasers are all solidified as a whole.

[0032] The collimation system 5 is divided into two parts, one part is at the front part of the cav...

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Abstract

The invention relates to the field of laser technology, in particular to a blue light laser and manufacture method thereof. The blue light laser comprises a housing, a semiconductor laser, a focusing system, a resonant cavity mirror, a collimation system, a frequency-doubling crystal, a laser crystal and a base, wherein the base, the semiconductor laser, the focusing system, the laser crystal, the frequency-doubling crystal, the resonant cavity mirror and the collimating system are sequentially arranged and are all solidified as a whole. The method comprises following steps: (1) forming the focusing system from gradient index lenses prepared by binary micro-optical components; (2) simulating by computer to obtain specific requirements for four specific wavelengths; (3) arranging a micro-polarization element in the resonant cavity and designing the waist of a fundamental frequency light inside the frequency-doubling crystal; (4) solidifying all elements in the laser; and (5) respectively controlling the temperature of the laser crystal and the frequency-doubling crystal by adopting optimized double temperature control systems.

Description

technical field [0001] The invention relates to the field of laser technology, in particular to a blue-ray laser and a preparation method thereof. Background technique [0002] The present invention is on the basis of transferring the high-performance all-solid-state Nd of Tsinghua University: YVO4-KTP intracavity frequency doubling green light laser technology, has carried out the research and development of blue light laser, meanwhile, referred to a large number of documents such as: "China Laser) "2002, 29(2)-101-103 Triple-frequency Nd:YLF analog laser system in the high-power laser device of Li Yinzhu, Dai Yajun, etc., "Optical Precision Engineering", 2000, 8(2)-133-135 Liu Weiren, Chen Yingxin's LD-pumped cavity frequency-doubling 473nm all-solid-state blue laser at room temperature, "Laser and Infrared" 2006, 5 Gao Lanlan, Wang Hong's composite Nd:YAG crystal and its application in high-power blue lasers. [0003] The existing blue laser technology still adopts a sin...

Claims

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Application Information

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IPC IPC(8): H01S3/00
Inventor 徐兆花徐兆国王培臣
Owner SHANDONG LANFENG SCI & TECH
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