Thermophysical Properties of Materials

The Effect of Pulse–Periodic Laser Radiation on Polyvinylchloride

A. P. Savintsev^a, A. I. Temrokov<sup>b

a</sup> Kabardino-Balkar State University
^b Scientific Research Institute of Applied Mathematics and Automation, Russian Academy of Sciences, Nalchik

Abstract: Changes in the conductivity, permittivity, and dielectric loss tangent are registered for ten polyvinylchloride-based organic dielectrics (polymers), caused by the exposure for $3$–$5$ s to the unpolarized radiation of a pulsed copper-vapor laser with a wavelength of $510.6$ nm. The duration of light pulses is $20$ ns, and their repetition frequency, $8.5$ kHz.

UDC: 535.21:621.315:541.6

Received: 07.06.2001

 English version: High Temperature, 2002, 40:4, 514–518

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