Accuracy of active chirp linearization for broadband frequency modulated continuous wave ladar

被引：77
|
作者：
Barber, Zeb W. [1 ]
Babbitt, Wm. Randall [1 ]
Kaylor, Brant [2 ]
Reibel, Randy R. [2 ]
Roos, Peter A. [2 ]
机构：
[1] Montana State Univ, Spectrum Lab, Bozeman, MT 59717 USA
[2] Bridger Photon Inc, Bozeman, MT 59715 USA
来源：
APPLIED OPTICS | 2010年 / 49卷 / 02期
关键词：
OPTICAL COHERENCE TOMOGRAPHY; HILBERT TRANSFORMATION; SWEPT SOURCE; LASER-DIODE; SWEEP; INTERFEROMETRY; STABILIZATION; STANDARD;
D O I：
10.1364/AO.49.000213
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
As the bandwidth and linearity of frequency modulated continuous wave chirp ladar increase, the resulting range resolution, precisions, and accuracy are improved correspondingly. An analysis of a very broadband (several THz) and linear (< 1 ppm) chirped ladar system based on active chirp linearization is presented. Residual chirp nonlinearity and material dispersion are analyzed as to their effect on the dynamic range, precision, and accuracy of the system. Measurement precision and accuracy approaching the part per billion level is predicted. (C) 2010 Optical Society of America
引用
收藏
页码：213 / 219
页数：7
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