Advances in development of chemical oxygen-iodine laser

摘要

The contribution deals with three investigated problems on Chemical Oxygen-Iodine Laser (COIL) and utilization of the results in advanced COIL development and advanced techniques connected with the COIL. These problems are following: ⅰ) A gain modulation on the laser transition in iodine atom, I(~2P_(1/2)) - (~2P_(3/2)), by an external magnetic field, and its utilization for the COIL output power stabilization, ⅱ) The evaluation of the Einstein A-coefficient of singlet oxygen, O_2(~1Δ_g), and utilization of this coefficient in the advanced diagnostics for O_2(~1Δ_g) determination in a laser pumping, and ⅲ) A development of the advanced COIL using a chemically driven iodine atom delivery system, and a confrontation of advantages of this system with disadvantages of conventional source of atomic iodine via dissociated molecular iodine. Examples of few recent experimental results are presented.