Solid laser resonance cavity system with automated optimization laser mode

A solid-state laser, automatic optimization technology, applied in the field of resonant cavity system, to achieve the effect of convenient control, simple structure, and automatic alignment

Active Publication Date: 2011-08-17
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The technical problem of the present invention is to overcome the shortcomings of the existing mode control methods in the cavity of solid-state lasers, and provide a reflection deformable mirror directly as the end mirror of the cavity of the solid-state laser, which can not only compensate for various aberrations in the cavity, but also suppress high first-order mode to obtain high-quality fundamental-mode laser output

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  • Solid laser resonance cavity system with automated optimization laser mode
  • Solid laser resonance cavity system with automated optimization laser mode
  • Solid laser resonance cavity system with automated optimization laser mode

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Embodiment Construction

[0022] Such as figure 1 As shown, the present invention mainly consists of a resonant cavity composed of a reflective deformable mirror 1, a telescope 2, a gain medium 3, and an output cavity mirror 4, as well as a narrowband filter 5, a beam splitter 6, a power meter 7, a focusing lens 8, and a spot detector 9 , main control computer 10, high-voltage amplifier 11 and peripheral equipment and control algorithm composed of genetic algorithm. Because the aperture of the gain medium 3 is generally on the order of several millimeters, and the aperture of the beam in the cavity is slightly smaller than the aperture of the gain medium, which is far smaller than the aperture of the deformable mirror (about ten to tens of millimeters), so the telescope 2 is mainly used to match the beam in the cavity with the caliber of the deformable mirror 1, so that the beam caliber can cover about 80% of the caliber of the deformable mirror 1. The laser output from the output cavity mirror 4 is in...

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Abstract

The invention discloses a solid laser resonator system of automatic optimizing laser pattern, which comprises the following parts: output cavity lens, reflective deforming lens, gain dielectric, narrow-band filter, facular detector, beam splitter, power meter, high-pressure amplifier, main control computer, telescope, image gathering card, focal lens and control algorism. The invention utilizes reflective deforming lens with high reflectance to replace common plane reflective lens as reflective end lens of resonator, which generates kinds of high-low stepped optical aberration to inhibit high-step laser, in order to output high-brightness basic mould. The invention possesses simple structure to be controlled conveniently, which improves the quality of output beam without reducing the output power.

Description

technical field [0001] The invention relates to a laser resonator system, in particular to a solid laser resonator system, which uses an optimization algorithm to control a high-resolution piezoelectric reflective deformable mirror to automatically optimize the intracavity modes of pulse, quasi-continuous and continuous solid-state lasers resonator system. Background technique [0002] In recent years, various types of solid-state lasers have been used more and more widely. Compared with gas lasers, solid-state lasers have the advantages of long life, high efficiency and high reliability; compared with chemical lasers: they are small in size, easy to operate, and flexible in operation. (continuous / repetition rate / long / short pulse), easy intelligence, and no pollution. According to the laser principle, there may be several stable oscillation modes in the resonator of a laser at the same time. As long as the one-way gain of a certain mode is greater than its one-way loss, tha...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/098H01S3/08H01S3/105
Inventor 杨平许冰刘渊
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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