钛宝石激光激发高效率1.053μm拉曼激光的产生(英文)

High Efficient Production of 1.053μm Pico-Second Raman Laser Excited by Ti:Sapphire Laser

在450ps钛宝石(Ti:sapphire)激光激发下,获得了C3H6O的受激拉曼散射(SRS),以钕玻璃为荧光增强介质,放大了1.053μm的Stokes辐射,能量转换效率达到17.5%,一阶斯托克斯波带宽为25nm,脉冲宽度为318ps。讨论了皮秒脉冲激发的受激拉曼散射效应及荧光增强SRS机理及其潜在应用。

A high efficient conversion from the Ti：Sapphire laser to the Raman laser with 1053 nm wavelength at the area of picosecond（ps）pulse duration is reported.A Ti：Sapphire laser（808 nm wavelength,450 ps pulse duration and 10 mJ pump energy）is employed as the pump source,acetone is stimulated to generate first-order Stokes wave with 1053 nm central wavelength.Inserting Nd：glass as a fluorescence enhancement medium,the firstorder Stokes wave is obviously enhanced,the energy conversion efficiency from pump laser to the first-order Stokes wave reaches to 17.5%,the bandwidth of the first-order Stokes is 25 nm,and the pulse duration is 318 ps.The physical mechanism together with the potential applications are discussed.