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

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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.

Original languageEnglish
Pages (from-to)146-156
Number of pages11
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 1 Dec 1998
EventGas and Chemical Lasers and Intense Beam Applications - San Jose, CA, United States
Duration: 26 Jan 199827 Jan 1998


  • Simple nozzles
  • Supersonic chemical oxygen-iodine lasers
  • Transonic mixing

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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