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Method for regulating and controlling continuous generation of ultraviolet precise spectrums

A precise and spectroscopic technology, applied in lasers, laser parts, electrical components, etc., can solve the problem of continuous generation of ultraviolet precise spectrum that is not found, and achieve the effect of easy operation and simple adjustment method.

Active Publication Date: 2012-09-05
UNIV OF SHANGHAI FOR SCI & TECH
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Problems solved by technology

However, at present, there is no method to obtain the continuous generation and accurate adjustment of ultraviolet precise spectrum in the world.

Method used

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  • Method for regulating and controlling continuous generation of ultraviolet precise spectrums
  • Method for regulating and controlling continuous generation of ultraviolet precise spectrums

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Embodiment 1

[0025] The present invention adopts "an independent adjustment system of chirp parameters for realizing two-color laser field" which has been applied for invention patent at the same time. The structure is as follows figure 1 shown. A beam splitter 10 is inserted at the entrance of the pulse compressor 5 of the femtosecond laser, and the light source is divided into two beams. One beam of light is connected with the optical path of a set of pulse compressor 5 and hollow fiber stretching and compression system 8, and the other beam The light is connected with the optical path of another set of pulse compressor 5 and hollow fiber stretching and compression system 8 after passing through the plane mirror B6, and then after passing through the mirror delay system 12 and the frequency doubling crystal 13, the two beams of light pass through a beam combiner 14 Combined into a beam of light, after passing through the reversible plane mirror 15, it is respectively connected with the h...

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Abstract

The invention provides a method for regulating and controlling continuous generation of ultraviolet precise spectrums, having the characteristics that the chirp contents of single beam few-cycle pulses are regulated to generate ultraviolet precise spectrums in the forms of discrete spectrums, continuous spectrums, even-order spectrums and interference spectrums continuously during a higher harmonic method is used to generate ultraviolet precise spectrums; on the basis of stable generation of any form of ultraviolet precise spectrums, a second beam of few-cycle femtosecond light source are introduced to form a two-tone few-cycle femtosecond laser pulses; and the intensity, the chips, the polarization and the pulse width of the second beam of light source are changed and a beam combining piece is used to regulate the relative angles among lights in a two-tone field, thus realizing the real-time and multi-dimensional regulation and control on each form of selected ultraviolet precise spectrums. The method is simple and easy to operate and can be utilized to realize the multi-dimensional precise regulation and control.

Description

technical field [0001] The invention relates to a control method for the continuous generation of ultraviolet precision spectra, specifically adjusting the chirp content of period-level femtosecond pulses to continuously generate four types of ultraviolet precision spectra, and on this basis, using period-level The method of real-time and multi-dimensional regulation of various forms of spectrum by the dual-color field. Background technique [0002] The wavelength range of the ultraviolet spectrum is between visible light and X-rays, in the range of 10-400nm, and has special functions that other light sources do not have, such as: as a probe for biomedical research, military non-sensing radar, ultra-short atomic molecules Time probes and constructing superfield physics conditions and more. Therefore, ultraviolet spectroscopy has always been a hot spot of research scholars since the establishment of spectroscopy. At present, the method of obtaining ultra-fast ultra-intense ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/11
Inventor 彭滟朱亦鸣曹剑炜秦汉张冬生陈麟庄松林
Owner UNIV OF SHANGHAI FOR SCI & TECH
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