基于法布里-珀罗调谐滤波器的傅里叶域锁模扫频激光光源

陈明惠; 丁志华; 王成; 宋成利

doi:10.7498/aps.62.068703

摘要

报道了一个光纤型1300 nm波段的傅里叶域锁模(Fourier domain mode locking, FDML)扫频激光光源, 用于扫频光学相干层析成像技术 (optical coherence tomography, OCT) 成像. 本实验扫频激光光源采用包含增益介质、调谐滤波器和延迟线组成的长腔激光谐振腔以及光功率增强单元. FDML扫频激光光源具有快速和高度稳定运转模式, 相位稳定性好. 基于法布里-珀罗调谐滤波器(fiber Fabry-Perot tunable filter, FFP-TF)的FDML扫频激光光源扫频范围为130 nm, 半高全宽为70 nm, 输出平均功率是11 mW. 与基于FFP-TF的短腔的扫频光源做了对比研究, FDML扫频光源速度从短腔的8 kHz提高到了48.12 kHz, 对应生物组织OCT成像轴向分辨率为7.8 μm, 比短腔的减小了1.9 μm.

关键词:

Abstract

An all-fiber Fourier domain mode locking (FDML) swept laser source at 1300 nm for swept source optical coherence tomography is reported. The swept laser source is realized with power amplification and laser resonator which includes gain medium, tunable filter and dispersion managed delay line. FDML swept laser can realize high-speed tuning, and phase is stable since its highly stable mode locking operation. The turning range of fiber Fabry-Perot tunable filter (FFP-TF) based FDML swept laser is 130 nm, and the 3 dB bandwidth is 70 nm with an average output power of 11 mW. The tunable speed of FDML laser is 48.12 kHz compared with 8 kHz of short-cavity FFP-TF based swept laser. The axial resolution in OCT imaging of FDML swept laser is 7.8 μm (in tissue), which is improved by 1.9 μm compared with that of short-cavity swept laser.

Keywords:

作者及机构信息

1.
上海理工大学医疗器械与食品学院, 教育部微创医疗器械工程中心, 上海 200093;

2.
浙江大学光电信息工程学系, 现代光学仪器国家重点实验室, 杭州 310027

基金项目: 博士启动基金和国家自然科学基金(批准号: 51175345)资助的课题.

Authors and contacts

1.
Shanghai Institute for Minimally Invasive Therapy, School of Medical Instrument and Food Engineering, University of Shanghai for Science andTechnology, Shanghai 200093, China;

2.
State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, China

Funds: Project supported by the Doctoral Initial Funding of China and the National Natural Science Foundation of China (Grant No. 51175345).

参考文献

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施引文献

[1]	Huang D, Swanson E A, Lin C P, Schuman J S, Stinson W G, Chang W, Hee M R, Flotte T, Gregory K, Puliafito C A, Fujimoto J G 1991 Science 254 1178
[2]	Huang L M, Ding Z H, Hong W, Wang C 2012 Acta Phys. Sin. 61 023401 (in Chinese) [黄良敏, 丁志华, 洪威, 王川 2012 61 023401]
[3]	Yang Y L, Ding Z H, Wang K, Wu L, Wu L 2009 Acta Phys. Sin. 58 1773 (in Chinese) [杨亚良, 丁志华, 王凯, 吴凌, 吴兰 2009 58 1773]
[4]	Wang C, Tang Z, Fang C, Yu Y J, Mao Y X, Qi B 2011 Chin. Phys. B 20 114218
[5]	Ma Z H, Wang R K, Zhang F, Yao J Q 2006 Chin. Phys. Lett. 23 366
[6]	Leitgeb R, Hitzenberger C K, Fercher A F 2003 Opt. Express 11 889
[7]	Wang K, Zeng Y, Ding Z H, Meng J, Shi G H, Zhang Y D 2010 Acta Phys. Sin. 59 2471 (in Chinese) [王凯, 曾炎, 丁志华, 孟婕, 史国华, 张雨东 2010 59 2471]
[8]	Chinn S R, Swanson E A, Fujimoto J G 1997 Opt. Lett. 22 340
[9]	Ding Z H, Chen M H, Wang K 2009 Chin. J. Lasers 36 2469 (in Chinese) [丁志华, 陈明惠, 王凯, 孟婕, 吴彤, 沈龙飞 2009 中国激光 36 2469]
[10]	Sung Y R, Jang W Y, Yoon K K, Soohyun K 2008 Opt. Express 16 17138
[11]	Chen M H, Ding Z H, Xu L, Wu T, Wang C, Shi G H, Zhang Y D 2010 Chin. Opt. Lett. 8 202
[12]	Todor S, Biedermann, Wieser W, Huber R, Jirauschek C 2011 Opt. Express 19 8802
[13]	Fujimoto J G, Izatt J A, Tuchin V V 2008 Proceedings of the SPIE Photonics West 2008 Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XII San Jose, California, USA, January 21-23, 2008 p68470Z1
[14]	Yun S H, Boudoux C, Pierce M C, De Boer J F, Tearney G J, Bouma B E 2004 IEEE Photon. Technol. Lett. 16 293
[15]	Mao Y X, Chang S, Murdock E, Flueraru C 2011 Opt. Lett. 36 1990
[16]	Michael K K L, Adrian M, Beau A S, Kenneth K C L, Nigel R M, Alex I V, Victor X D Y 2009 Opt. Lett. 34 2814
[17]	Liu G Y, Mariampillai A, Standish B A, Munce N R, Gu X J, Vitkin I A 2008 Opt. Express 16 14095
[18]	Wu M C, Fang W L 2005 J. Micromech. Microeng. 15 1
[19]	Amano T, Hiro-Oka H, Choi D H, Furukawa H, Kano F, Takeda M, Nakanishi M, Shimizu K, Ohbayashi K 2005 Appl. Opt. 44 808
[20]	Huber R, Wojtkowski M, Fujimoto J G 2006 Opt. Express 14 3225
[21]	Eigenwillig C M, Biedermann B R, Plate G, Huber R 2008 Opt. Express 16 8916

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