超快激光超长测距系统研制

Development of Ultra-fast Laser Ultra-long Ranging System

一直以来,超长测距系统用途相当广泛,并且在实际使用中对超长测距系统的要求较高。而自从激光问世以来,其在测距中的应用非常广泛,并为超长测距的实现提供了有力的支持。搭建GCS-PSL实验典型腔,输出稳定锁模的激光,通过在腔内加入不同规格的F-P标准具,改变激光脉宽,搭建改良后的迈克尔逊干涉光路,应用自相关法和晶体非线性效应的相应原理,利用光电探测器测量并研究激光脉宽改变的规律,得出一般性结论。为超快激光超长测距系统的研制与实现提供了有力的支持。

Ultra-long ranging system has been widely used all the time,and has high requirements for ultra-long ranging system.Since the advent of laser,it has been widely used in ranging,and provides strong support for the realization of ultra-long ranging.The typical cavity of GCS-PSL experiment is built to output stable mode-locked laser.By adding different F-P etalons into the cavity,the laser pulse width is changed,and the improved Michelson interferometric optical path is constructed.Based on the autocorrelation method and the corresponding principle of crystal non-linear effect,the laser pulse width is measured and studied by photoelectric detector,and the general conclusion is drawn.It provides a strong support for the development and implementation of ultra-fast laser ultra-long ranging system.