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Self-adaptive stable resonant cavity laser

A resonant cavity, self-adaptive technology, applied in lasers, laser parts, phonon exciters, etc., can solve the problems that the cavity length and angle cannot be freely switched, the high position dependence of the all-reflection mirror, and achieve low optical power density, High resistance to detuning, easy to adjust effect

Pending Publication Date: 2021-01-26
CHANGCHUN UNIV OF SCI & TECH +1
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  • Application Information

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Problems solved by technology

[0003] The present invention proposes an adaptive and stable resonant cavity laser to solve the problem that the existing laser has a high position dependence on the total reflection mirror, and the cavity length and angle cannot be switched freely

Method used

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Embodiment 1

[0032] Embodiment 1: as figure 1 As shown, an adaptively stable resonator laser includes a cylindrical gain medium 2 , a first corner cube prism 3 , a second corner cube prism 4 , a 45° partial transmission mirror 5 and a side pumping device 1 .

[0033] The gain medium 2 is used to generate laser gain, and the material is yttrium aluminum garnet (YAG) as a matrix doped with other active ions.

[0034] The first corner cube prism 3 and the second corner cube prism 4 are respectively arranged on the left and right sides of the gain medium 2, and the incidence surfaces of the first corner cube prism 3 and the second corner cube prism 4 are all coated with a high-transparency film of 1 micron, and the second corner cube prism The rotation axis of a corner cube 3 coincides with the horizontal center axis of the gain medium 2, and the coincidence of the rotation axis and the horizontal center axis can ensure that the first corner cube 3 and the second corner cube 4 can form a stabl...

Embodiment 2

[0041] Example 2, such as figure 2 As shown, an adaptive stable resonator laser includes a cylindrical gain medium 2, a first corner cube prism 3, two second corner cube prisms 4, a 45° partial transmission mirror 5 and a side pumping device 1.

[0042] For the structures of the gain medium 2 , the side pumping device 1 , and the 45° partial transmission mirror 5 , refer to Embodiment 1.

[0043]The first corner cube prism 3 and the two second corner cube prisms 4 are respectively arranged on the left and right sides of the gain medium 2, and there is an included angle between the rotation axes of the two second corner cube prisms 4 and the horizontal central axis of the gain medium 2 . The incidence surfaces of the first corner cube prism 3 and the second corner cube prism 4 are all plated with a high-transparency film of 1 micron, the rotation axis of the first corner cube prism 3 coincides with the horizontal center axis of the gain medium 2, and the rotation axis and the...

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Abstract

The invention relates to a solid laser, in particular to a self-adaptive stable resonant cavity laser. The laser structurally comprises a side pumping device, a gain medium, a first pyramid prism andat least one second pyramid prism, wherein the gain medium is arranged between the first pyramid prism and the second pyramid prism; the rotation axis of the first pyramid prism coincides with the horizontal central axis of the gain medium. When a light beam of pump light emitted by the pumping device is incident to the side surface of the gain medium, a plurality of resonant cavities are formed between the first pyramid prism and the at least one second pyramid prism, and oscillation light beams generated by the gain medium oscillate clockwise and anticlockwise in the plurality of resonant cavities at the same time. The invention provides a self-adaptive stable resonant cavity laser which solves the problems that an existing laser is high in position dependence on a total reflective mirror, and the cavity length and the angle cannot be freely switched.

Description

technical field [0001] The invention relates to a solid laser, in particular to an adaptive stable resonant cavity laser. Background technique [0002] The structure of the existing solid-state laser resonator is generally composed of a total reflection mirror and a partial transmission mirror. Although this selection method is suitable for the stable surrounding environment and the working platform is not easy to generate vibration, the above-mentioned structure is highly dependent on the position of the total reflection mirror, and the cavity length and angle cannot be freely switched. When the total reflection mirror rotates or moves over a long distance, it will It causes the deviation of the pumping spot and the oscillation spot, resulting in the change of the output power; the passive laser wireless charging function of the laser cannot be realized. Contents of the invention [0003] The invention proposes an adaptive and stable resonant cavity laser to solve the pr...

Claims

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Application Information

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IPC IPC(8): H01S3/082H01S3/094H01S3/05H01S3/06H01S3/07
CPCH01S3/05H01S3/06H01S3/07H01S3/0823H01S3/094049
Inventor 李岩杨博达马晓辉邹永刚张贺金亮石琳琳徐英添李卫岩
Owner CHANGCHUN UNIV OF SCI & TECH
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