A study on an all gas-phase iodine laser based on NCl3 reaction system

Taizo Masuda; Tomonari Nakamura; Masamori Endo; Taro Uchiyama

doi:10.1117/12.762084

21 February 2008 A study on an all gas-phase iodine laser based on NCl₃ reaction system

Taizo Masuda, Tomonari Nakamura, Masamori Endo, Taro Uchiyama

Proceedings Volume 6874, High Energy/Average Power Lasers and Intense Beam Applications II; 687409 (2008) https://doi.org/10.1117/12.762084
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

Numerical simulation and flow-tube experiments are conducted to understand the chemistry of the amine based all gas-phase iodine laser (AGIL). The numerical simulation code developed is a one-dimensional, multiple-leaky-stream-tubes kinetics code combined with all the known rate equations to date. The validity of the code is confirmed to compare the calculated results with experimental results reported elsewhere. We find that the key reactions to achieve positive gain are the deactivation reaction of excited iodine atoms by chlorine atoms and the self annihilation reactions of NCl(¹Δ). The order of the injection nozzles is crucial to suppress these reactions. It is shown that positive gain is possible with optimized flow rates and nozzle positions. Flow reactor experiments are conducted based on these calculations, and small signal gain is measured. The results are compared with the calculations.

Citation Download Citation

Taizo Masuda, Tomonari Nakamura, Masamori Endo, and Taro Uchiyama "A study on an all gas-phase iodine laser based on NCl₃ reaction system", Proc. SPIE 6874, High Energy/Average Power Lasers and Intense Beam Applications II, 687409 (21 February 2008); https://doi.org/10.1117/12.762084

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