1Mhz self-Q-switched pulse laser oscillator

A pulsed laser and oscillator technology, applied in the laser field, can solve the problems of easily damaged saturable absorbers, large resonant cavity loss, low output power and efficiency, and achieve the effects of low cost, high repetition frequency and high output power

Inactive Publication Date: 2021-10-08
张光举
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  • Abstract
  • Description
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Problems solved by technology

The commonly used passive Q-switching technology has the problems of easy damage to the saturable absorber, large loss in the resonant cavity, and low output power and efficiency.

Method used

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  • 1Mhz self-Q-switched pulse laser oscillator

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Embodiment Construction

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0018] see figure 1 Describe this embodiment, a 1Mhz self-Q-switching pulsed laser oscillator, which includes a pumping light source and a resonant cavity. A gain medium 5 is arranged between the mirror 4 and the planar output mirror 6 . The gain medium 5 is a Nd:LuAG crystal, and the doping concentration of neodymium ions in the gain medium is 0.6at%. The pump light source includes a laser 1, a pump light collimating mirror 2 and a pump light focusing mirror 3, and the laser 1 outputs pump light , the pump light enters the resonator after passing through the pump light collimating mirror 2 and the pump light focusing mirror 3 in turn, the laser 1 is a semiconductor laser, the numerical aperture of the semiconductor laser is 0.22, and the output center wavelength of the pigtail...

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Abstract

The invention provides a 1Mhz self-Q-switched pulse laser oscillator, which belongs to the technical field of laser. The problems that the saturable absorber in the existing passive Q-switched technology is easy to damage, the loss in the resonant cavity is large, and the output power and efficiency are low are solved. The laser oscillator comprises a pump light source and a resonant cavity, the pump light source enters the resonant cavity, the resonant cavity sequentially comprises a plane-concave mirror and a plane output mirror along a light path, and a gain medium is arranged between the plane-concave mirror and the plane output mirror. The self-Q-switched pulse laser oscillator is mainly used for self-Q-switched pulses.

Description

technical field [0001] The invention belongs to the field of laser technology, in particular to a 1Mhz self-Q-switching pulse laser oscillator. Background technique [0002] Mhz Q-switched pulsed lasers play an important role in the fields of long-distance detection, biomedical imaging and industrial processing. The commonly used passive Q-switching technology has the problems of easy damage of the saturable absorber, large loss in the resonant cavity, and low output power and efficiency. The self-Q-switching mechanism has the advantages of low loss and high efficiency. Therefore, it is of great significance to develop Mhz pulsed lasers based on the self-Q-switching mechanism. Contents of the invention [0003] In order to solve the problems in the prior art, the present invention proposes a 1Mhz self-Q-switching pulse laser oscillator. [0004] To achieve the above object, the present invention adopts the following technical solutions: a 1Mhz self-Q-switched pulsed lase...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/094
CPCH01S3/094076H01S3/094019
Inventor 张光举
Owner 张光举
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