Wide and fast wavelength-swept fiber lasers based on dispersion tuning and their application to optical coherence tomography
Wide and fast wavelength-swept fiber lasers based on dispersion tuning and their application to optical coherence tomography
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DOI：
10.1007/s13320-013-0129-0
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发表时间：
2013-10
期刊：
影响因子：
4.4
通讯作者：
S. Yamashita;Y. Takubo
中科院分区：
文献类型：
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作者：
S. Yamashita;Y. Takubo
我们最近提出了一种用于扫描源光学相干层析成像(SS-OCT)的新型波长扫描激光器。它使用与传统扫描激光器相同的增益介质，但不需要任何可调谐滤光片。它基于一种称为“色散调谐”的原理，即在激光腔中插入一个高度色散的介质，并应用损耗/增益调制来锁模。由于腔体不含机械元件，如可调谐滤光片，我们可以达到很高的扫频速度。在本文中，我们详细描述了色散调谐扫描激光器的工作原理，并介绍了我们在SS-OCT系统中应用的最新工作。
We recently proposed a new class of wavelength-swept lasers for swept-source optical coherence tomography (SS-OCT). It uses the same gain medium with the conventional swept lasers, but does not require any tunable filters. It is based on a principle called “dispersion tuning”, in which a highly dispersive medium is inserted in the laser cavity, and loss/gain modulation is applied to mode-lock the laser. Since the cavity contains no mechanical components, such as tunable filters, we could achieve the very high sweep rate. In this review paper, we describe the principle of the dispersion-tuned swept lasers in detail and present our recent work on the application to the SS-OCT system.