High-Speed Optical Coherence Tomography System Using a 200-kHz Swept Light Source with a KTN Deflector

Yuichi Okabe; Yuzo Sasaki; Masahiro Ueno; Takashi Sakamoto; Seiji Toyoda; Junya Kobayashi; Masato Ohmi

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High-Speed Optical Coherence Tomography System Using a 200-kHz Swept Light Source with a KTN Deflector

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摘要

We demonstrate a high-speed swept-source optical coherence tomography (SS-OCT) system, which is based on a high-speed swept light source and a Mach-Zehnder interferometer with a high-speed photodetector. The light source is an external-cavity laser tuned by a KTN electro-optic deflector, which exhibits a very fast response and large deflection. The scanning wavelength range is almost 80 nm up to 200 kHz with a ±400-V deflector driving voltage. The system acquires 1 mm × 1 mm images consisting of 200 × 200 pixels within few milliseconds. We present preliminary SS-OCT images of an in-vitro human nail and an in-vivo finger pad.

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《光学与光子学期刊（英文）》 |2013年第2期|190-193|共4页
作者
Yuichi Okabe; Yuzo Sasaki; Masahiro Ueno; Takashi Sakamoto; Seiji Toyoda; Junya Kobayashi; Masato Ohmi;
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作者单位

Graduate School of Medicine;

Course of Allied Health Science;

Osaka University;

Osaka;

Japan;

NTT Photonics Laboratories;

Nippon Telegraph and Telephone Corporation;

Kanagawa;

Japan;

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原文格式 PDF
正文语种 chi
中图分类光电子技术、激光技术;
关键词
Swept-Source; Optical; Coherence; Tomography; KTN; New; Light; Source;

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2. Parallel optical coherence tomography for an adaptive optics retina camera [C] . . 中国光学学会2004年学术大会 . 2004
3. Optical Coherence Domain Polarimetry(OCDP)Distributed Sensing System [A] . SAADI wahab . 2012

High-Speed Optical Coherence Tomography System Using a 200-kHz Swept Light Source with a KTN Deflector

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