The progress of nuclear pumped laser in CFBR-II reactor
Chengde YangInstitute of Nuclear Physics and Chemistry of CAEP, P. O. Box 919(210), Mianyang 621900CHEN HAN-DEInstitute of Nuclear Physics and Chemistry of CAEP, P. O. Box 919(210), Mianyang 621900Chun ZhengInstitute of Nuclear Physics and Chemistry of CAEP, P. O. Box 919(210), Mianyang 621900Xiaolin ZhaoInstitute of Nuclear Physics and Chemistry of CAEP, P. O. Box 919(210), Mianyang 621900Huilin HanInstitute of Nuclear Physics and Chemistry of CAEP, P. O. Box 919(210), Mianyang 621900
ABI
Аннотация
Development of nuclear pumped lasers (NPL) in the CFBR-II reactor is briefly reviewed. The results of the two NPL experiments in CFBR-II reactor are described. The first one focused on the principle of nuclear pumped laser, and 4-mW laser output power achieved. The second NPL experiment focused on the small signal gain and the efficiency of the nuclear pumped He-Ar-Xe gas mixture at 1.73 ?m. The maximum laser power measured to be 45 mW when thermal neutron flux rate is 6.9 * 1014 cm^(-2)·s^(-1). The small signal gain at 1.73 ?m by the Rigrod analysis method is to be 0.24%·cm^(-1), and the saturation intensity is fitted to be 36 W/cm^(2).
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