Fiber-based polarization-sensitive Fourier domain optical coherence tomography using B-scan-oriented polarization modulation method

被引：88

作者：

Yamanari, Masahiro ^{[1
]}

Makita, Shuichi ^{[1
]}

Madjarova, Violeta Dimitrova ^{[1
]}

Yatagai, Toyohiko ^{[1
]}

Yasuno, Yoshiaki ^{[1
]}

机构：

[1] Univ Tsukuba, Inst Phys Appl, Computat Opt Grp, Tsukuba, Ibaraki 305, Japan

来源：

OPTICS EXPRESS | 2006年 / 14卷 / 14期

关键词：

D O I：

10.1364/OE.14.006502

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Fiber-based high-speed polarization-sensitive Fourier domain optical coherence tomography (PS-FD-OCT) is developed at 840 nm wavelengh using polarization modulation method. The incident state of polarization is modulated along B-scan. The spectrometer has a polarizing beamsplitter and two line-CCD cameras operated at a line rate of 27.7 kHz. From the 0th and 1st orders of the spatial frequencies along the B-scanning, a depth-resolved Jones matrix can be derived. Since continuous polarization modulation along B-scan causes fringe washout, equivalent discrete polarization modulation is applied to biological measurements. For the demonstration, an in vitro chicken breast muscle, an in vivo finger pad, and an in vivo caries lesion of a human tooth are measured. Three dimensional phase retardation images show the potentials for applying the system to biological and medical studies. (c) 2006 Optical Society of America.

引用

页码：6502 / 6515

页数：14

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