Device and method for generating nanosecond chirped pulse light source

Abstract

The invention relates to the generation technology of nanosecond pulsed light, in particular to a device and method for generating a nanosecond chirped pulse light source. The invention solves the problem that the existing nanosecond pulsed light cannot block the inelastic collision of atoms and control the coherence of the atom pairs. A device for generating a nanosecond-level chirped pulse light source, including a master laser, a signal generator, a slave laser, a reference laser, and a TeO 2 Crystal, photodetector, oscilloscope, second polarizing beam splitting prism, fiber coupling head, optical fiber; wherein, between the output end of the master laser and the input end of the slave laser, a first mirror and a first polarizing beam splitting prism are arranged in sequence The optical path formed by connecting; the first polarization beam splitter is set at the output end of the slave laser and TeO 2 Between the input terminals of the crystal; TeO 2 An optical path composed of a second reflection mirror and a second half-wave plate sequentially connected in series is provided between the output end of the crystal and the input end of the second polarization beam splitter. The invention is applicable to the generation of nanosecond pulsed light.

Description

technical field [0001] The invention relates to the generation technology of nanosecond pulsed light, in particular to a device and method for generating a nanosecond chirped pulse light source. Background technique [0002] Because of its high spatial and temporal resolution, pulsed light has been applied to research fields in many disciplines. For example, in biological sciences, short-pulse lasers can be used to precisely locate microorganisms and directly observe the movement of microorganisms without damage. process and perform quantitative statistics on its dynamics. In physics, pulsed light is applied to the study of the dynamic process of atoms and molecules. Therefore, the preparation of pulsed light sources is becoming more and more important and will be directly related to the research on ultrafast dynamics of microscopic substances in other fields. Nanosecond pulse light source is one of the pulse light sources with a wide range of applications. At present, th...

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Problems solved by technology

[0003] In order to solve the problem that the existing nanosecond pulse light cannot block the inelastic collision of atoms and control the coherence of the atom pair, the present invention provides a device and method for generating a nanosecond chirped pulse light source

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