Journal
APPLIED PHYSICS LETTERS
Volume 85, Issue 24, Pages 5851-5853Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1836876
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Improving the chemical efficiency of the supersonic chemical oxygen-iodine laser (COIL) is a key issue for the design of devices for both defense and industrial applications. Efficiencies around 30% for the supersonic COIL have been the state of the art in the last decade. Here, we report the achievement of a record (40%) for the chemical efficiency of the supersonic COIL. More specifically, we show that by carefully studying and optimizing the operation of the chemical generator, the mixing of heavy and light molecules in the gas phase and the optical extraction efficiency, we have approached the theoretical limit for the chemical efficiency. (C) 2004 American Institute of Physics.
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