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Method for measuring phase conjugate attosecond summation frequency polarized clap

A technology of phase conjugation and measurement method, which is applied in the field of optical measurement, and can solve problems such as the superblock process of matter without measurement of attosecond time order

Inactive Publication Date: 2005-12-21
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no precedent for using nanosecond pulsed laser to measure the superblock process of matter with attosecond time scale

Method used

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  • Method for measuring phase conjugate attosecond summation frequency polarized clap
  • Method for measuring phase conjugate attosecond summation frequency polarized clap
  • Method for measuring phase conjugate attosecond summation frequency polarized clap

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Embodiment Construction

[0017] see figure 1 , figure 1 It is a schematic diagram of the measurement method of the present invention. First set the input frequency to ω 1 and ω 2 Two parallel independent beams of coherent light or twin color-locked noise light sources, on the light path emitted by the light source, a semi-transparent and semi-reflective beam splitter BSO is provided to divide the light source into two paths; one of them passes through the semi-transparent The semi-reflective beam splitter BSO is reflected, and the first compensation film DCF1 is set on the optical path of the reflection, and a prism P is arranged on the optical path of the first compensation film DCF1; the other path passes through the semi-transparent and semi-reflective beam splitter BSO transmission, a second compensation film DCF2 is also arranged on the optical path of the transmission, and a movable total reflection mirror R is arranged on the optical path of the second compensation film DCF2.

[0018] exist...

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Abstract

A method for measuring phase conjugate attosecond and frequency polarization beat includes splitting two parallel and coherence lights containing frequencies of omega1 and omega2 or twin noise lights to be two beams , utilizing obtained two beams to generate two double frequency beams with omega1 and omega2 , moving total reflector to vary relative delay of each frequency light in double beam for varying phase difference to realize measurement of phase conjugate time and frequency polarization beat.

Description

technical field [0001] The invention relates to an optical measurement method, in particular to a measurement method for phase conjugate attosecond and frequency polarization beats. Background technique [0002] Usually, femtosecond pulsed laser can be used to study the superblock process of matter, and the time resolution depends on the laser pulse width. At present, there is no precedent for using nanosecond pulsed laser to measure the superblock process of matter with attosecond time scale. After searching by the applicant, no documents relevant to the application are found. In order to understand the present invention, the applicant provides the following relevant references: [0003] M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, Nature's London 419, 803 (2002). Contents of the invention [0004] The purpose of the present i...

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Application Information

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IPC IPC(8): G01N21/63
Inventor 张彦鹏宋建平甘琛利李创社张相臣
Owner XI AN JIAOTONG UNIV