《激光原理》课后题答案 下载本文

?d??6.35?22A??????3.14???mm?31.67mm

?2??2?22斜效率?s?应为

?s??A?31.67?s??0.024?0.48 A1.59(3) 图5.3所示激光器的单程损耗为

12

1 ??ln0.85?7.50?0.005?0.1192的透过率改成T1??0.1之后,单程损耗变为

???ln(1?T1)??il反射镜1

????ln(1?T1?)??il12

1 ??ln0.9?7.50?0.005?0.092阈值泵浦功率为

ppt??ppt ??pAITT10.12.2s1?s?????s1pt?0.024???0.0212ppt?T1ppt?0.151.66当pp?10KW时,输出功率为

?p??10?ptP??s??ppt???1??0.021?1.66???1?KW?175W

?p???1.66??pt???0.09?2.2?KW?1.66KW?0.119