应用焦区受激布里渊散射特性探测水下物体
Keywords: 非线性光学 受激布里渊散射 水下物体探测 能量反射率
Abstract:
为了实现对水下物体的实时监测,提出采用焦区受激布里渊散射方法直接探测水下物体.通过理论模拟给出在一定焦距下Stokes光能量随探测物体距离信号消失的位置及泵浦光与Stokes光的时间间隔随物体距离的变化关系.运用调QNd:YAG激光器基频光倍频后的输出波长为532？@nm,脉宽为10？@ns的脉冲激光进行了焦区内水下物体的探测实验.实验结果表明,当物体在焦斑前时探测误差最小,在188？@cm探测范围内,探测误差均小于4%.
| [1] | 1. COLLINS D J.BELL J A Recent progress in the measurement of temperature and salinity by optical scattering 1984
|
| [2] | 2. HIRSCHBERG J G.BYME J D.WOUTERS A W Speed of sound and temperature in the ocean by Brillouin scattering 1984
|
| [3] | 3. HIRSCHBERG J G.BYME J D Rapid underwater ocean measurements using Brillouin scattering 1984
|
| [4] | 4. EDWARD S F.KATZ J Accuracy limitation on Brillouin lidar mearsurements of temperature and sound speed in the ocean 1997
|
| [5] | 5. EDWARD S F.KATZ J.LIU Dahe Temperature dependence of brillouin linewidth in water 2002
|
| [6] | 6. LIU Dahe.XU Jianfeng.WANG Huaying Remote sensing to ocean by using Brillouin scattering:Test of sound speed and submerged object 2000
|
| [7] | 7. GONG W.DAI R.SUN Z Detecting submerged objects by Brillouin scattering 2004(8)
|
| [8] | 8. L Zhiwei.L Yuean.YONG Jun Optical limiting effect based on stimulated brillouin scattering in CCl4 2003
|
| [9] | 9. KORB C L.BRUCE M G Edge technique:theory and application to the lidar measurement of atmospheric wind 1992
|
| [10] | 10. CHU R.KANEFSKY M.FALK J Numerical study of transient stimulated Brillouin scattering 1992
|
| [11] | 11. 吕月兰 基于受激布里渊散射的水下物体探测 2006
|
Full-Text
