Abstract
A pulsed chemical oxygen-iodine laser (COIL) using atomic iodine generated by
volumetric discharge of CH<sub>3</sub>I is developed and tested. COIL with a gain
length of 60 cm is energized by a square pipe-array jet singlet oxygen generator
with basic hydrogen peroxide pumping circulations and operated at subsonic gas flow.
Maximum output energy of 4.3 J, pulse duration of 50 μs, specific energy
extraction from the active medium of 2.0 J/L, and the maximum chemical efficiency of
12.5% are achieved at a chlorine flow rate of 55 mmole/s.
© 2012 Chinese Optics Letters
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