光泵CH3F和D2O远红外脉冲激光器
AN OPTICALLY PUMPED CH3F AND D2O FIR PULSE LASER
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摘要: 正 自1970年T.Y.Chang报道了光泵CH3F远红外激光器以来,至今已发现有几十种工作物质,可在远红外波段产生1000多条激光线。远红外激光器有广泛的应用,在等离子体诊断中,通过Thompson散射,可确定Tokamak中离子密度和温度;在半导体中,可用来确定载流子浓度和杂质浓度;作为标准波长,可构成频率链的一环;在军事上,远红外激光可用于亚毫米通讯;用远红外激光照射石英晶体,可产生频率为几THz的声子,在
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Abstract: An optically pumped FIE pulse laser is described. The pumping source is a tunable TEA CO2 laser with a grating. The output energy of the TEM00 mode is about 1J at 9P(20) and 9R(22) lines.This laser is of a super-radiant structure. The absorbent cell is made of a quartz tube 2m long and 20 mm ID.FIR laser action has been obtained in both CH3F and D2O. Output energies being 0.5 mJ at 496m and 0.55 mJ at 385m respectively. -
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