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

Tengfei Wu; Zhiguo Liang; Peng Ye

doi:10.1117/12.2015107

31 January 2013 Dispersion compensation for absolute distance measurement based on the femtosecond optical frequency comb

Tengfei Wu, Zhiguo Liang, Peng Ye

Author Affiliations +

Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 87590F (2013) https://doi.org/10.1117/12.2015107
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China

Abstract

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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Tengfei Wu, Zhiguo Liang, and Peng Ye "Dispersion compensation for absolute distance measurement based on the femtosecond optical frequency comb", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87590F (31 January 2013); https://doi.org/10.1117/12.2015107

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