200 kHz swept light source equipped with KTN deflector for optical coherence tomography

被引：35
|
作者：
Okabe, Y. [1 ]
Sasaki, Y. [1 ]
Ueno, M. [1 ]
Sakamoto, T. [1 ]
Toyoda, S. [1 ]
Yagi, S. [2 ]
Naganuma, K.
Fujiura, K.
Sakai, Y. [1 ]
Kobayashi, J. [1 ]
Omiya, K. [3 ]
Ohmi, M. [4 ]
Haruna, M. [4 ]
机构：
[1] NTT Photon Labs, Atsugi, Kanagawa 2430198, Japan
[2] NTT Adv Technol Corp, Atsugi, Kanagawa 2430124, Japan
[3] Osaka Univ, Grad Sch Engn, Div Sustainable Energy & Environm Engn, Suita, Osaka 5650871, Japan
[4] Osaka Univ, Grad Sch Med, Course Hlth Sci, Suita, Osaka 5650871, Japan
来源：
ELECTRONICS LETTERS | 2012年 / 48卷 / 04期
关键词：
D O I：
10.1049/el.2011.4057
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new light source for swept-source optical coherence tomography (SS-OCT) is presented, namely, an external-cavity LD equipped with a KTN electro-optic deflector. The KTN deflector is unique in being very fast and simultaneously providing an appreciable deflection caused by injected carriers. Being free from mechanical resonance, the 1.3 mu m laser exhibits a scanning range of almost 80 nm up to 200 kHz with a +/- 400 V deflector driving voltage. Preliminary SS-OCT images of a human fingernail and finger skin have been obtained using the swept light source.
引用
收藏
页码：201 / 202
页数：2
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