Sato T, Suzuki Y, Kashiwagi H, Nanjo M, Kakui Y
Appl Opt. 1978 Dec 1;17(23):3798-803. doi: 10.1364/AO.17.003798.
A laser radar system that is capable of remotely detecting oil spills, in the daytime and at night, in sea water has been developed. The system employs the second harmonic and fourth harmonic of a repetitively Q-switched Nd:YAG laser as the light sources and a gated optical multichannel analyzer as a high speed detection device. The results show that the comparison of backscattering spectra obtained from different samples enables us to detect and characterize oil spills in sea water. Raman backscattering and backscattered fluorescence of kerosene, light oil, heavy oil, and sea water have been investigated both in the laboratory and in the harbor of Seto Inland Sea of Japan by using the laser radar system described above. The SNR of this laser radar system for the detection of Raman backscattering of kerosene and fluorescence of oil is also described.
已经开发出一种能够在白天和夜晚对海水中的石油泄漏进行远程探测的激光雷达系统。该系统采用重复调Q Nd:YAG激光器的二次谐波和四次谐波作为光源，并使用门控光学多通道分析仪作为高速探测装置。结果表明，通过比较不同样品的后向散射光谱，能够检测和识别海水中的石油泄漏。利用上述激光雷达系统，在实验室和日本濑户内海港口对煤油、轻油、重油和海水的拉曼后向散射和后向散射荧光进行了研究。还介绍了该激光雷达系统用于探测煤油拉曼后向散射和石油荧光的信噪比。
