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Single higher-harmonic ultraviolet monochromatic light source

A high-order harmonic and monochromatic light source technology, applied in optics, lasers, nonlinear optics, etc., to improve beam quality, conversion efficiency, and contrast

Active Publication Date: 2013-12-04
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

[0002] At present, the light source with the best monochromaticity and coherence is the laser, which is generally produced by the stimulated radiation of the working medium, or the frequency is converted by crystal frequency doubling or difference frequency. The laser produced by this method is mostly visible light wavelength band and infrared light band, it is difficult to use the above method to generate

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  • Single higher-harmonic ultraviolet monochromatic light source

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[0022] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the protection scope of the present invention should not be limited thereby.

[0023] see first figure 1 , figure 1 It is a schematic diagram of the device of the present invention. As can be seen from the figure, the single high-order harmonic ultraviolet monochromatic light source of the present invention includes an 800nm ​​strong-field polarized laser 1, along which the output direction of the 800nm ​​strong-field polarized laser 1 is followed by a beam shaper 2 and a light energy regulator on the same optical axis. 3. Converging lens 4, optical phase modulator 5, long-range interaction gas box 6 and metal aluminum film 7, the beam shaper 2 is a through-hole diaphragm with a circular burr, such as figure 2 As shown, the diameter of the through hole is slightly smaller than the diameter of the laser beam, and the burr structure can reduce the be...

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Abstract

A single higher-harmonic ultraviolet monochromatic light source comprises a 800nm high-field polarization laser, a beam shaper, a light energy controller, an optical phase modulator, a converging lens, a long-range interaction gas box, a metallic aluminum film, a vacuum chamber and the like. The single higher-harmonic ultraviolet monochromatic light source can generate single higher harmonic waves. The highly-monochromatic high-coherence ultraviolet radiation can be applied to high-precision processing and detection of micronano structures, as well as to the fields of high-precision holographic coherent imaging and the like, thereby being wide in application.

Description

technical field [0001] The invention relates to an ultraviolet monochromatic light source, in particular to a single high-order harmonic ultraviolet monochromatic light source. Background technique [0002] At present, the light source with the best monochromaticity and coherence is the laser, which is generally produced by the stimulated radiation of the working medium, or the frequency is converted by crystal frequency doubling or difference frequency. The laser produced by this method is mostly visible light wavelength band and infrared light band, it is difficult to use the above method to produce ultraviolet light band. This is due to the unsatisfactory phase matching of the crystal and the self-absorption of the working medium. However, ultraviolet monochromatic light sources have extremely important applications in modern technology and production. Contents of the invention [0003] The object of the present invention is to provide a single high-order harmonic ultr...

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Application Information

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IPC IPC(8): H01S3/10G02F1/35
Inventor 尉鹏飞曾志男苗境姜甲明葛晓春李闯李儒新
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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