Active compensation of large dispersion of femtosecond pulses for precision laser ranging

被引：15
|
作者：
Lee, Sang-Hyun [1 ]
Lee, Joohyung [1 ]
Kim, Young-Jin [1 ]
Lee, Keunwoo [1 ]
Kim, Seung-Woo [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Ultrafast Opt Ultraprecis Grp, Taejon 305701, South Korea
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 05期
基金：
新加坡国家研究基金会;
关键词：
DISTANCE MEASUREMENTS; REFRACTIVE-INDEX; ALTIMETERS; LONG; AIR;
D O I：
10.1364/OE.19.004002
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We describe an active way of compensation for large dispersion induced in the femtosecond light pulses travelling in air for laser ranging. The pulse duration is consistently regulated at 250 fs by dispersion control, allowing sub-micrometer resolution in measuring long distances by means of time-of-flight measurement. This method could facilitate more reliable applications of femtosecond pulses for satellite laser ranging, laser altimetry and active LIDAR applications. (C) 2011 Optical Society of America
引用
收藏
页码：4002 / 4008
页数：7
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