Full range 1-μm spectral domain optical coherence tomography by using electro-optical phase modulator

被引：1
|
作者：
Fabritius, Tapio [1 ,2 ]
Makita, Shuichi [1 ]
Yamanari, Masahiro [1 ]
Myllylae, Risto [2 ]
Yatagai, Toyohiko [3 ]
Yasuno, Yoshiaki [1 ]
机构：
[1] Univ Tsukuba, Computat Opt Grp, Tsukuba, Ibaraki, Japan
[2] Univ Oulu, Optoelect & Measuremen Tech Lab, Oulu, Finland
[3] Univ Tsukuba, Inst Appl Phys, Tsukuba, Ibaraki, Japan
来源：
COHERENCE DOMAIN OPTICAL METHODS AND OPTICAL COHERENCE TOMOGRAPHY IN BIOMEDICINE XII | 2008年 / 6847卷
关键词：
opthalmology; biomedical imaging; signal processing;
D O I：
10.1117/12.765403
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Full-range spectral domain optical coherence tomography (SD-OCT) with a 1-mu m band light source is demonstrated. The phase of reference arm is modulated simultaneously as the probing beam laterally scans the sample (B-scan). The obtained two dimensional spectral interferogram. is processed by Fourier transform method to obtain complex spectrum which leads to full-range OCT image. The measurement speed of this system was 7.96 kHz, the measured axial resolution was 9.6 mu m in air and the sensitivity was 99.4 dB. To demonstrate the effect of mirror image elimination, in vivo human eye pathology was measured.
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页数：6
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