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物理学报. 2009, 58(6): 4307-4312.
doi: 10.7498/aps.58.4307.
混合加宽的宽带钕玻璃激光系统的放大特性研究
- 收稿日期: 2008-01-16
- 修回日期: 2008-09-17
- 刊出日期: 2009-06-20
English Abstract
Amplification of hybrid-widen linewidth of broadband pulses in Nd:glass laser systems
- Received Date:
16 January 2008
- Accepted Date:
17 September 2008
- Published Online:
20 June 2009
Abstract: Base on physical amplification models established to describe the broadband laser pulse amplification processes, using numerical simulation methods, we analyse the amplification abilities of the Nd:glass laser system under different spectral linewidths. The results indicate that the output energies decrease with the increasing spectral linewidth. Compared with narrowband laser pulse of 3000 J/1ns, under the same conditions, the output energies of broadband laser pulse will reduce 2%, 11% and 27% for 2nm, 5nm and 10nm laser pulses,respectively. The influences of cross relaxation on the amplification processes are also studied. The output energies of completely nonhomogeneous broadening will reduce about 20% compared with that of completely homogeneous broadening. Then, the range of cross relaxation time is estimated to be 0—10 ns.
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Keywords:
- laser system /
- broadband laser /
- amplification process /
- cross relaxation
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