Abstract

The surface motion of a gold-coated Mylar pellicle was measured interferometrically while the pellicle was subjected to bombardment from a 15-MeV, 40-mA pulsed electron beam. No surface motion as large as 0.3 μm was observed during the electron pulse. A radiation dose of 5 × 10⁷ rad did not damage the surface. The results show that this foil can be used as an end mirror in free-electron-laser oscillators.

© 1983 Optical Society of America

Laser oscillator using resonator with self-pumped phase-conjugate mirror

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