Parametric studies of a small-scale chemical oxygen-iodine laser/jet generator system: recent achievements

Dov Furman; Boris D. Barmashenko; Salman Rosenwaks

doi:10.1117/12.308062

12 May 1998 Parametric studies of a small-scale chemical oxygen-iodine laser/jet generator system: recent achievements

Dov Furman, Boris D. Barmashenko, Salman Rosenwaks

Author Affiliations +

Proceedings Volume 3268, Gas and Chemical Lasers and Intense Beam Applications; (1998) https://doi.org/10.1117/12.308062
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

Recent results of parametric studies of an efficient supersonic chemical oxygen-iodine laser are presented. The laser is energized by a jet type singlet oxygen generator, operated without primary buffer gas and applies simple nozzle geometry and transonic mixing of iodine and oxygen. Output power of 190 W with chemical efficiency of 18% was obtained in a 5 cm gain length for Cl₂ flow rate of 11.8 mmole/s. The power is studied as a function of the distance between the optical axis and the supersonic nozzle exit plane, the molar flow rates of various reagents, the BHP and gas pressures in the generator, the type of the secondary buffer gas (N₂ or He) and the stagnation temperature of the gas. It is found that the power under the present operation conditions is almost unaffected by water vapor in the medium. The role of buffer gas under different conditions is discussed.

Citation Download Citation

Dov Furman, Boris D. Barmashenko, and Salman Rosenwaks "Parametric studies of a small-scale chemical oxygen-iodine laser/jet generator system: recent achievements", Proc. SPIE 3268, Gas and Chemical Lasers and Intense Beam Applications, (12 May 1998); https://doi.org/10.1117/12.308062

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