Characteristics and optimization of the two‐photon‐excited 16‐μm laser in14NH3

Autor:	H. Pummer, W. K. Bischel, Charles K. Rhodes
Rok vydání:	1978
Předmět:	Infrared Chemistry General Physics and Astronomy Laser Electromagnetic radiation law.invention Optical pumping symbols.namesake Stark effect law Excited state symbols Stimulated emission Atomic physics Excitation
Zdroj:	Journal of Applied Physics. 49:976-979
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.324695
Popis:	Stimulated emission at 15.88 and 15.95 μm has been obtained in 14NH3 utilizing two‐photon excitation. Total output energies on the order of 1 mJ have been observed in configurations which can be readily scaled to higher values. A discussion of the parameters available to control the operation of this system is given along with experimental data on laser output energy, divergence, the role of the optical Stark effect, pressure dependence, and spectral control with absorbing gases. These mechanisms can be generally applied for efficient down‐conversion throughout the infrared.
Databáze:	OpenAIRE
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