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Multifunctional laser fusion diagnostic interferometer

A laser fusion and interferometer technology, which is applied in the field of laser measurement, can solve the problems of misjudgment of physical mechanism in diagnosis, difficulty in reading the speed of shock wave of fringe image quality, etc., and achieves the effect of novel structure and easy realization.

Active Publication Date: 2017-07-14
LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS
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AI Technical Summary

Problems solved by technology

The degradation of fringe image quality not only brings difficulties in reading the specific shock wave velocity, but also causes misjudgment of the physical mechanism of diagnosis

Method used

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  • Multifunctional laser fusion diagnostic interferometer
  • Multifunctional laser fusion diagnostic interferometer
  • Multifunctional laser fusion diagnostic interferometer

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with embodiment and accompanying drawing.

[0030] like figure 1 As shown, a multifunctional laser fusion diagnostic interferometer includes an illumination optical fiber 1, an illumination lens 2, a beam splitter 4, a beam splitter 2 7, an imaging lens 8, an imaging lens 10, an imaging lens 3 5, and stripes Camera one 9, streak camera two 11, streak camera three 6, optical circulator module A, probe optical imaging module B, interference module one C and interference module two D. The probe laser (illumination laser) is incident by the illumination fiber 1 and collected by the illumination lens 2. The probe laser is focused on the target surface 3 and reflected back to the Doppler signal light with the difference frequency signal. The Doppler signal light passes through the halo after splitting Shaper module A, probe optical image transmission module B, interference module 1 C, and interference modu...

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Abstract

The invention discloses a multifunctional laser fusion diagnostic interferometer, which comprises a lighting lens, a beam splitter 1, a beam splitter 2, an imaging lens 1, an imaging lens 2, an imaging lens 3, a streak camera 1, a streak camera 2, a streak camera 3, an optical circulator module, a probe optical image transmitting module, an interference module 1 and an interference module 2. The multifunctional laser fusion diagnostic interferometer provided by the invention has the advantages of novel structure and easy implementation, can share a light receiving optical path of a traditional linear VISAR, reserves an interference measurement shock wave velocity module of the traditional linear VISAR, fully utilizes probe laser by means of an improved optical path, tracks probe light absorption intensity and shock wave interference verification while acquiring interference beat frequency to calculate a shock wave surface velocity, cooperates with the appropriate image processing means, can acquire more pieces of state-of-matter information, and is conductive to carry out further state-of-matter diagnostic research.

Description

technical field [0001] The invention belongs to the technical field of laser measurement, and in particular relates to a multifunctional laser fusion diagnostic interferometer. Background technique [0002] The implosion of laser ablation target capsule is not only one of the effective ways to utilize fusion energy, but also an experimental method for high energy density physics research. During the compression process, the matter is often in an extreme state of high temperature and high pressure, and the interaction time between the laser and the matter is only on the order of nanoseconds. The acquisition of state information requires a special method. In the field of laser inertial-constrained diagnosis, the Velocity Interferometer System for Any Reflector (VISAR for short) uses the change in the movement of difference-frequency interference fringes generated by the optical Doppler effect to measure the shock wave velocity during the compression process. Conditions can be...

Claims

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Application Information

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IPC IPC(8): G21B1/23G01B9/02G01J11/00
CPCG01B9/0203G01B9/02045G01J11/00G21B1/23Y02E30/10
Inventor 吴宇际王峰江少恩杨冬理玉龙徐涛彭晓世
Owner LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS
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