SUM FREQUENCY OUTPUT OF 271-281.5nm IN BBO CRYSTAL

Lu Shiping; Yang Lishu

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SUM FREQUENCY OUTPUT OF 271-281.5nm IN BBO CRYSTAL

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- SUM FREQUENCY OUTPUT OF 271-281.5nm IN BBO CRYSTAL
- Chinese Journal of Luminescence Vol. 14, Issue 1, Pages: 49-52(1993)
- 作者机构：
  
  中国科学院安徽光学精密机械研究所, 合肥 230031
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 April 1992，
  
  Published：28 February 1993
- 稿件说明：
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鲁士平, 杨立书. 在BBO晶体中获得271—281.5nm和频输出[J]. 发光学报, 1993,14(1): 49-52

Lu Shiping, Yang Lishu. SUM FREQUENCY OUTPUT OF 271-281.5nm IN BBO CRYSTAL[J]. Chinese Journal of Luminescence, 1993,14(1): 49-52
鲁士平, 杨立书. 在BBO晶体中获得271—281.5nm和频输出[J]. 发光学报, 1993,14(1): 49-52 DOI：

Lu Shiping, Yang Lishu. SUM FREQUENCY OUTPUT OF 271-281.5nm IN BBO CRYSTAL[J]. Chinese Journal of Luminescence, 1993,14(1): 49-52 DOI：

摘要

本文用自制的Q-YAG的倍频光泵浦Rh·6G染料

用调谐的染料激光束(562—598nm)与YAG的倍频光束在B-BaB

(BBO)晶体中和频

获得的连续可调谐范围是271-281.5nm

和频输出能量大子200μJ

最高转换效率为5%.我们用陈创天等人和K.Kato所给BB0晶体的Sellmetier方程计算了和频调谐曲线

它们之间的相位匹配角大约有一度之差.实验曲线与两条理论曲线都有不同程度的偏差.但是

与K.Kato的理论曲线更为接近.我们还讨论了BBO晶体的长度对输出能量的影响

并解释了产生这种影响的原因。

Abstract

The Rh·6G dye laser was pumped by a home-made Q-YAG laser. The tunable dye laser beam (562-598nm) was used to generate the sum frequency with the double-frequency beam of YAG laser in β-BaB

(BBO) crystal. The continuously tunable range of 271-281.5nm was obtained. The output energies of sum frequency are larger than 200μJ. The largest conversion efficiency is about 5%. The tuning curves of sum frequency were calculated by BBO Sallmeier equations of C. Chen and K.Kato. The angular differential of phase matching angle of both theoretical tuning curves is about one degree. There are deflections in varying degree between the experimental curve and the theoretical calculated curves. But

the theoretical curve calculated by BBO Sellmeier equention of Kato is very close to the experimental curve. We have discussed the influence of BBO crystal length on the output energy

and explained the cause generating the influence.

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