Registration Of Shock Waves Generated By Plasma In Delphin-1 Set

N. G. Basov; A. I. Valuyev; B. L. Vasin; A. E. Danilov; M. P. Kalashnikov; B. V. Kruglov; M. Yu. Mazur; Yu. A. Mikhailov; V. N. Puzirev; A. V. Rode; G. V. Sklizkov; A. I. Smelkov; S. I. Fedotov; S. A. Chaushansky; A. L. Khitrov

doi:10.1117/12.967795

1 March 1983 Registration Of Shock Waves Generated By Plasma In Delphin-1 Set

N. G. Basov, A. I. Valuyev, B. L. Vasin, A. E. Danilov, M. P. Kalashnikov, B. V. Kruglov, M. Yu. Mazur, Yu. A. Mikhailov, V. N. Puzirev, A. V. Rode, G. V. Sklizkov, A. I. Smelkov, S. I. Fedotov, S. A. Chaushansky, A. L. Khitrov

Author Affiliations +

Proceedings Volume 0348, 15th Intl Congress on High Speed Photography and Photonics; (1983) https://doi.org/10.1117/12.967795
Event: 15th International Congress on High Speed Photography and Photonics, 1982, San Diego, United States

Abstract

The device for high-speed photography of rapidly changing transparent objects is described. The 19 frame picture of the laser formed strong shock wave made by this device is presented. The data of measurement of shock wave parameters are given, when ionization and radiative processes are taken into account. Among optical methods of laser plasma study of great significance is high speed frame photography by the method of laser illumination of the target. The method makes it possible to assess the fractional energy absorbed by plasma, the ion temperature, the degree of uniformity of the target irradiation, as well as other parameters1-5. The accuracy of measurements follow from the object parameters. This paper deals with the description of the device for shock wave ph9t9graphy forming during expansion of a spherical target heated 147 six beams in "Delphin-1"-°. The frame rate varies from 200 millions to 300 thousands sec-I at exposure equal 1.2 ns and at total number of frames - 19. This device provides the accuracy of registration of amplitude and phase optical of the target and plasma equaled to 30 lines/mm. The optical scheme of 19-frame device for shadow photography (DSP) is presented in Figure 1. It consists of the ruby laser 1, coordinating device 2, optical delay line 3, light splitting plates 4, telescopic expanders 5, matrix mirrors 6,7, converging mirror 8 and photocamera 9.

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N. G. Basov, A. I. Valuyev, B. L. Vasin, A. E. Danilov, M. P. Kalashnikov, B. V. Kruglov, M. Yu. Mazur, Yu. A. Mikhailov, V. N. Puzirev, A. V. Rode, G. V. Sklizkov, A. I. Smelkov, S. I. Fedotov, S. A. Chaushansky, and A. L. Khitrov "Registration Of Shock Waves Generated By Plasma In Delphin-1 Set", Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); https://doi.org/10.1117/12.967795

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KEYWORDS

Mirrors

Plasma

Photography

Laser cutting

Spherical lenses

Beam splitters

High speed photography

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