在KNSBN晶体中掺进CuO,采用硅钼棒作加热体,以Czochralski技术生长Cu:KNSBN晶体.以二波耦合光路,测试晶体的衍射效率和记录时间,计算折射率变化值Δn.Cu:KNSBN晶体的衍射效率,记录速度和折射率变化值皆高于Fe:LiNbO3晶体.尤其记录速度比Fe:LiNbO3晶体高一个数量级以上.测试Cu:KNSBN晶体位相共轭反射率R和自泵浦位相共轭反射率RC.Cu:KNSBN晶体的自泵浦位相共轭反射率RC值达到64%,是纯KNSBN晶体的二倍.以Cu:KNSBN晶体自泵浦位相共轭镜进行消畸变实验.实验结果表明:输出光波确系输入探测光波的位相共轭光波.
参考文献
| [1] | Feinberg J;Hellwarth R W .Phase-conjugation Mirror with Continuous-wave Gain[J].Optics Letters,1980,5:519-521. |
| [2] | Yin S;Zhou H;Zhao F .Wavelength-multiplexed Holographic Storage in a Sensitive Photorefractive Crystal Using a Visible-light Tunable Diode Laser[J].Optics Letters,1993,101:317-321,15. |
| [3] | Feinberg J .Real-time Edge Enhancement Using the Photorefractive Effect[J].Optics Letters,1980,5:330-335. |
| [4] | Chiou A E;Yeh P .Parallel Image Subtraction Using a Phase-conjugation Michelson Interferometer[J].Optics Letters,1986,5:306-308. |
| [5] | 周玉祥,刘欣荣,朱质彬.Ce∶Cu∶SBN晶体生长及全息存储性能的研究[J].压电与声光,2003(03):218-220. |
| [6] | 孙大亮.KNSBN：Co晶体的无外场自泵浦相位共轭[J].光学学报,1992(04):313. |
| [7] | 赵业权.Zn：Fe：LiNbO3晶体的生长及其全息性能的研究[J].人工晶体学报,1996(03):257. |
| [8] | Juan Rodriguez;Azad siahmakoun .Gregory Salamo BS as a Self Pumped Phase Conjugator[J].Applied Optics,1997,26(09):1732-1734. |
| [9] | Chen Huan-chu;Xu Yu Huan .Growth and Some Properties of Undoped and (K1-xNbx)0.4(Sr1-yBay)0.8Nb2O6 (KNSBN) Single Crystals with Tungsten-Bronze Structure[J].Journal of Crystal Growth,1989,96:357-362. |
| [10] | Li Minghua;Xu Xuewu;Qiu Dongxiao .Influence of Ce and Co Doping Ions on Photorefractive Effect of SBN Crystals[J].Journal of Crystal Growth,2000,211:225-229. |
| [11] | Sun Daliang;Chen Jun;Lu Xinliang .Growth and Self Pumped Phase Conjugation of Ce-doped KNa(SY0.61Ba0.39)0.9Nb2O6 Crystal[J].Journal of Applied Physics,1991,70(01):33-35. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%