Device for performing synchronous focusing shaping on distorted femtosecond laser pulse and control method

Device for performing synchronous focusing shaping on distorted femtosecond laser pulse and control method

The invention relates to a method for performing focusing shaping control on a distorted femtosecond laser pulse. The method is characterized in that an optical inverse diffusion algorithm is writtenaccording to a time inversion principle; a phase shift holographic algorithm is written according to...

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Hauptverfasser: LIU WENJUN, LIU LIBAO, SUN ZHENGHE, TIAN ZHAOSHUO, ZHENG XIAOCHUN, REN SHOUTIAN
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator LIU WENJUN
LIU LIBAO
SUN ZHENGHE
TIAN ZHAOSHUO
ZHENG XIAOCHUN
REN SHOUTIAN
description The invention relates to a method for performing focusing shaping control on a distorted femtosecond laser pulse. The method is characterized in that an optical inverse diffusion algorithm is writtenaccording to a time inversion principle; a phase shift holographic algorithm is written according to a holographic interference principle; light beams output from a laser 1 are incident on a beam splitter 2 and are divided into two parts, one part entering a sample light path 3.1-8 and the other part entering a reference light path 3.2-8. The light beams in the reference light path 3.2-8 are reflected onto an isosceles prism 10 by a second mirror 3.2 and a third mirror 3.3, the light beams are reflected to a fourth mirror 3.4 by the isosceles prism 10, and the light beams are reflected by thefourth mirror 3.4 and then input to a two-dimensional spectrometer 8. According to the method in the invention, the spatial freedom of the wave-front in a spatial light modulator is controlled by running the optical inverse di
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The method is characterized in that an optical inverse diffusion algorithm is writtenaccording to a time inversion principle; a phase shift holographic algorithm is written according to a holographic interference principle; light beams output from a laser 1 are incident on a beam splitter 2 and are divided into two parts, one part entering a sample light path 3.1-8 and the other part entering a reference light path 3.2-8. The light beams in the reference light path 3.2-8 are reflected onto an isosceles prism 10 by a second mirror 3.2 and a third mirror 3.3, the light beams are reflected to a fourth mirror 3.4 by the isosceles prism 10, and the light beams are reflected by thefourth mirror 3.4 and then input to a two-dimensional spectrometer 8. 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subjects BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title Device for performing synchronous focusing shaping on distorted femtosecond laser pulse and control method
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