Towards swept-source mid-infrared OCT

Towards swept-source mid-infrared OCT
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迈向扫频中红外 OCT

DOI:
10.1117/12.2306911
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发表时间:
2018
期刊:
--
影响因子:
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通讯作者:
Revin D
Revin D
中科院分区:
--
文献类型:
--
作者:
Revin D

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介绍了一种中红外波段扫频光源光学相干层析成像系统。采用外腔量子级联激光器(QCL)照明迈克尔逊干涉仪,扫描频率为1Hz。使用三种不同的样品收集A-扫描:镜子,在其两个表面上涂覆有锗的CaF 2,以及在样品的背面上涂覆有锗的CaF 2。这些深度剖面用于模拟具有多个反射边界的组织样本。这些干涉条纹的傅立叶变换清楚地显示了预期的反射深度,从而可以确定系统的信噪比。
A swept-source optical coherence tomography (OCT) system is demonstrated in the mid-infrared region. A Michelson interferometric setup is illuminated by an external cavity quantum cascade laser (QCL), with a scanning frequency of 1 Hz. A-scans were collected using three different samples: a mirror, CaF2 coated with germanium on both of its surfaces, and CaF2 coated with germanium on the back side of the sample. These depth-profiles were used to mimic a tissue sample with multiple reflective boundaries. Fourier transformation of these interference fringes clearly showed the expected depths of reflection, allowing for the signal to noise ratio of the system to be determined.
使用中红外量子级联光学相干断层扫描 (OCT) 系统进行光谱和成像
DOI: --
发表时间: 2016
期刊: Conference on Lasers and Electro-Optics
影响因子: --
作者:
Deborah Varnell;M. Zheng;Martin Chow;C. Gmachl
通讯作者: C. Gmachl
快速扫频中红外激光器
DOI: --
发表时间: 2014
期刊: International Semiconductor Laser Conference
影响因子: --
作者:
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宽带6μm<λ<8μm超发光量子级联发光二极管
DOI: --
发表时间: 2006
期刊:
影响因子: --
作者:
E. Zibik;W. Ng;D. Revin;L. Wilson;J. Cockburn;K. Groom;M. Hopkinson
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