Analog CMOS circuit design and characterization for optical coherence tomography signal processing

被引:2
|
作者
Kariya, R [1 ]
Mathine, DL
Barton, JK
机构
[1] Univ Arizona, Dept Elect & Comp Engn, Tucson, AZ 85721 USA
[2] Univ Arizona, Ctr Opt Sci, Tucson, AZ 85721 USA
[3] Univ Arizona, Div Biomed Engn Elect & Comp Engn, Tucson, AZ 85721 USA
关键词
biomedical imaging; CMOS analog integrated circuits; optical tomography;
D O I
10.1109/TBME.2004.836479
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
We have developed a custom analog CMOS circuit to perform the signal processing for an optical coherence tomography imaging system. The circuit is realized in a 1.5 mum low-noise analog CMOS technology. The circuitry extracts the Doppler frequency from the signal and electrically mixes this with the original signal to provide a filtered A-scan. The circuitry was used to produce a two-dimensional image of an onion.
引用
收藏
页码:2160 / 2163
页数:4
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