Dispersion compensation for absolute distance measurement based on the femtosecond optical frequency comb

被引：0
|
作者：
Wu, Tengfei [1 ]
Liang, Zhiguo [1 ]
Ye, Peng [2 ]
机构：
[1] AVIC, Beijing Changcheng Inst Metrol & Measurement, Beijing 100095, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China
来源：
EIGHTH INTERNATIONAL SYMPOSIUM ON PRECISION ENGINEERING MEASUREMENTS AND INSTRUMENTATION | 2013年 / 8759卷
关键词：
femtosecond; air dispersion; high-density; transmissive grating; compensation;
D O I：
10.1117/12.2015107
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The effect of air dispersion on the femtosecond pulsed width is studied in this paper. We present the pulsed width variation with central wavelength, grating period and distance, respectively. Then the air dispersion compensation scheme based on the high-density transmissive grating is put forward to compress the pulsed width of femtosecond laser. The diffracted efficiencies variation with the groove depth and the grating period under the condition of TE and TM polarization state are also given through simulation. The scheme has advantages of compact volume and convenient operation.
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页数：8
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