Phase-sensitive optical coherence tomography at up to 370,000 lines per second using buffered Fourier domain mode-locked lasers

被引：115
作者：
Adler, Desmond C.
Huber, Robert
Fujimoto, James G.
机构：
[1] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA
[2] MIT, Elect Res Lab, Cambridge, MA 02139 USA
来源：
OPTICS LETTERS | 2007年 / 32卷 / 06期
关键词：
D O I：
10.1364/OL.32.000626
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Buffered Fourier domain mode-locked (FDML) lasers are demonstrated for dynamic phase-sensitive optical coherence tomography (OCT) and 3D OCT phase microscopy. Systems are operated at sweep speeds of 42, 117, and 370 kHz, and displacement sensitivities of 39, 52, and 102 pm are achieved, respectively. Sensitivities are comparable to spectrometer-based OCT phase microscopy systems, but much faster acquisition speeds are possible. An additional factor of root 2 improvement in noise performance is observed for differential phase measurements, which is important for Doppler OCT. Dynamic measurements of piezoelectric transducer motion and static 3D OCT phase microscopy are demonstrated. Buffered FDML lasers provide excellent displacement sensitivities at extremely high sweep speeds. (c) 2007 Optical Society of America
引用
收藏
页码：626 / 628
页数：3
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