Method for generating extreme ultraviolet coherent light source with approximate circular deflection
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A coherent light source and extreme ultraviolet technology, applied in the direction of phonon exciters, circuits, electrical components, etc., can solve the problems of low intensity, poor practical application, long attosecond pulse width, etc., and achieve high generation efficiency , High electron recovery efficiency and short pulse width
What is AI technical title?
AI technical title is built by PatSnap AI team. It summarizes the technical point description of the patent document.
A coherent light source and extreme ultraviolet technology, applied in the direction of phonon exciters, circuits, electrical components, etc., can solve the problems of low intensity, poor practical application, long attosecond pulse width, etc., and achieve high generation efficiency , High electron recovery efficiency and short pulse width
CN104701730AInactive 📅 Publication Date: 2015-06-10HUAZHONG UNIV OF SCI & TECH
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[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0023] like figure 1 As shown, the method for the present invention to produce an approximately circularly deflected extreme ultraviolet coherent light source comprises steps:
[0024] S1. Enhance the linearly polarized incident laser to make the intensity level reach 10 13 ~10 14 W / CM 2 ;
[0025] S2. Interact the enhanced incident laser with diatomic gas molecules to generate harmonics, t...
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Abstract
The invention discloses a method for generating an extreme ultraviolet coherent light source with approximate circular deflection. The method comprises the following steps of (S1) enhancing linear polarization incident laser until the intensity level of the linear polarization incident laser reaches 1013-1014W/CM(2); (S2) performing interaction on the enhanced incident laser and diatomic gas molecules to generate a harmonic; adjusting an included angle between the polarization direction of the linear polarization incident laser and a molecular axis until a harmonic stage required for generation of the light source is acquired; and (S3) converting spectra of two harmonic components of which the energy intensities are equal to each other and the relative phases are 90 degrees in the harmonic stage into two attosecond pulses, and synthesizing the two attosecond pulses to obtain the extreme ultraviolet coherent light source with approximate circular deflection. A harmonic spectrum has two components in two different directions; the energy intensities of the components of the harmonic spectrum in the harmonic stage are equal to each other; and the relative phases are 90 degrees. By the method for generating the extreme ultraviolet coherent light source with approximate circular deflection, the generated extreme ultraviolet coherent light source with approximate circular deflection is high in harmonic efficiency and short in pulse width.
Description
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Claims
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