An anti-detuning long-pulse-width pyramid-cavity solid-state laser

A solid-state laser and long pulse width technology, applied in lasers, laser components, phonon exciters, etc., can solve problems such as cavity mirror detuning, achieve the effect of increasing cavity length and ensuring anti-detuning characteristics

Active Publication Date: 2021-12-14
NANJING UNIV OF INFORMATION SCI & TECH
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Problems solved by technology

However, the problem of cavity mirror detuning has not been solved, so how to form an anti-detuning laser has become an important contemporary international topic

Method used

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  • An anti-detuning long-pulse-width pyramid-cavity solid-state laser
  • An anti-detuning long-pulse-width pyramid-cavity solid-state laser
  • An anti-detuning long-pulse-width pyramid-cavity solid-state laser

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Embodiment Construction

[0024] The anti-detuning long-pulse-width pyramidal cavity solid-state laser of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] Such as figure 1 Shown, a kind of anti-detuning long-pulse width corner cone cavity solid-state laser, including the first polarizer 1, Ho:YLF crystal 2, the second polarizer 3, the third polarizer 4, the first corner cube prism 5, Acousto-optic Q switch 6, fourth polarizer 7, first plano-convex lens 8, second corner cube 9, fifth polarizer 10, third corner cube 11, quarter wave plate 12, sixth polarizer 13 , the second plano-convex lens 14 and the fourth corner cube prism 15 .

[0026] The first corner cube prism 5 and the third corner cube prism 11 incident surfaces are arranged in rotational symmetry relative to each other, the second corner cube prism 9 and the fourth corner cube prism 15 incident surfaces are relatively rotationally symmetrically arr...

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Abstract

The invention relates to an anti-detuning long-pulse-width corner-cone cavity solid-state laser. In the structure of the laser, four corner-cone prisms are used to form a ring resonator. One of the wave plates makes the intracavity oscillating beam repeatedly reflected between the four corner cubes, which can significantly increase the cavity length of the resonator under the same laser volume, and at the same time ensure the anti-detuning characteristics of the laser resonator.

Description

technical field [0001] The invention belongs to the technical field of solid-state lasers, and relates to a pyramidal cavity solid-state laser, in particular to an anti-detuning long-pulse-width pyramidal cavity solid-state laser. Background technique [0002] Some single-mode pulse-operated solid-state lasers need to be applied to long-pulse pulse lasers in many fields, such as Doppler wind lidar, which requires the emitted laser source to have the characteristics of long pulse width. A common method to increase the laser pulse width is to greatly increase the cavity length of the laser resonator, such as the commonly used structures such as four-mirror ring cavity, six-mirror ring cavity and eight-mirror ring cavity. For this ordinary laser cavity, While increasing the length of the laser resonator cavity, the volume of the laser also increases, which is not conducive to the miniaturization design of the laser, and it is easy to cause detuning of the cavity mirror due to f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/083H01S3/16H01S3/117
CPCH01S3/083H01S3/1653H01S3/117
Inventor 黄蕾吴婧吴泳锋
Owner NANJING UNIV OF INFORMATION SCI & TECH
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