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Power stabilizing type frequency modulation laser

A stable power and laser technology, applied in the laser field, can solve problems such as unstable output laser power, and achieve the effect of stable laser output power and stable direction

Active Publication Date: 2017-03-08
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

[0004] Aiming at the shortcomings of unstable output laser power existing in the existing frequency-modulated laser scheme, the present invention proposes a power-stabilized frequency-modulated laser scheme based on the optical tunneling effect, in order to improve the performance of this type of laser and make it better serve the laser certain areas of technology

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Embodiment Construction

[0020] To clearly illustrate the present invention, in conjunction with figure 2 A specific embodiment of the present invention is described. Such as figure 2 As shown, the total reflection prism 1 of quartz material, the cavity 7 of glass-ceramic material and the high reflection mirror 8 constitute a folded optical resonant cavity (the third optical surface 103 of the total reflection prism 1 acts as a Brewster window at this time, and the helium The neon gas gain medium 6 is in direct contact with the third optical surface 103 of the total reflection prism 1), and the folded optical resonator satisfies the stability condition (see specifically Zhou Bingkun et al., Laser Principles Fourth Edition [M], Beijing: National Defense Industry Press, 2010 reprint), and the resonant laser in the cavity is incident on the third optical surface 103 of the total reflection prism 1 at the Brewster angle, and forms total reflection at the second optical surface 102, the glass-ceramic ma...

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Abstract

The invention relates to the laser technical field, and particularly discloses a power stabilizing type frequency modulation laser. The power stabilizing type frequency modulation laser consists of a total reflection prism, a pendulous reed, a power stabilizing push-pull apparatus, a Brewster window, a gain medium, a pumping source, a cavity body, a high reflector, a frequency modulation push-pull apparatus, a light beam splitter, a photoelectric detector and a system circuit. Compared with the existing frequency modulation laser scheme, the in-cavity loss of an optical resonant cavity of the laser is adjusted by controlling the magnitude of the optical tunneling power in the total reflective surface of the total reflection prism in the laser frequency modulation process, so as to realize output power stability in the laser tuning process; and the power stabilizing process does not change the geometrical structure of the optical resonant cavity of the laser, so that the output laser performance is stable.

Description

technical field [0001] The invention relates to the field of laser technology, in particular to a power-stabilized frequency-modulated laser. Background technique [0002] A laser is a device capable of emitting laser light. Because the light emitting mechanism is different from ordinary light sources, lasers have some excellent characteristics that ordinary light sources do not have, such as good directivity, high brightness, good monochromaticity and coherence, etc. These characteristics make lasers widely used in industry, It is widely used in many fields such as military affairs, communication, medicine and scientific research. Since the world's first laser invented by Maiman came out in 1960, laser technology has experienced rapid development for more than 50 years, and the types of lasers have also continued to increase. According to the properties of the gain medium, lasers can be divided into several categories such as solid-state lasers, gas lasers, semiconductor ...

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Application Information

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IPC IPC(8): H01S3/13H01S3/10H01S3/101
CPCH01S3/10H01S3/101H01S3/13
Inventor 谭中奇张晓宝张斌刘贱平
Owner NAT UNIV OF DEFENSE TECH
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