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Abstract

An imaging diagnostic based on the phase contrast method invented in 1935 by Zernike and using an 8 W CW CO-2 laser beam expanded to fill a 23 x 4 cm wide aperture has recently been installed on TCA to study fluctuations caused by RF heating as well as plasma turbulence. It is suitable for the study of fluctuations in the wavelength range between 0.2 and 20 cm and allows the detection of phase shifts lower than 10**-5 rad for a 1 MHz bandwidth.

Additional information

Authors: WIESEN H CENTRE DE RECHERCHES EN PHYSIQUE DES PLASMAS, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND), CENTRE DE RECHERCHES EN PHYSIQUE DES PLASMAS, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND)
Bibliographic Reference: 2ND INTERNATIONAL SYMPOSIUM ON LASER-AIDED PLASMA DIAGNOSTICS, CULHAM LABORATORY, CULHAM (UK), SEPT. 10-12, 1985 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 32283 ORA
Availability: Can be ordered online
Record Number: 1989123122400 / Last updated on: 1987-01-01
Available languages: en