High-Energy Pulsed Liquid Laser.
Semiannual technical summary rept. 1 Aug 71-30 Jan 72,
GTE LABS INC BAYSIDE N Y
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The objective of this program is to evaluate the liquid laser, based on Nd3-ZrCl4POCl3, as a means for producing high energy pulses and in a repetitively-pulsed mode of operation, high average powers. The problem of water contamination in the circulatory system of the liquid laser is considered in detail. A spectroscopic method is presented for measuring this contamination and techniques for keeping it low are described. In addition, an acceptable upper limit for water contamination is obtained. Information on the compatibility of various materials with the laser liquid is also given leading to specific recommendations for system construction materials. The Q-switched oscillator system was assembled and tested using the above techniques. Results of experiments in both the long-pulse and Q-switched modes of operation are presented. The problems of measuring and specifying multi-mode laser beam divergence are also considered. Author
- Lasers and Masers