采用紧凑的偏振对准840纳米宽带组合超发光二极管光源的超高分辨率光谱域光学相干断层扫描成像。
Ultra-high-resolution SD-OCM imaging with a compact polarization-aligned 840 nm broadband combined-SLED source.
作者信息
Haindl Richard, Duelk Marcus, Gloor Stefan, Dahdah Jean, Ojeda Jose, Sturtzel Caterina, Deng Shiyu, Joyce Deloria Abigail, Li Qian, Liu Mengyang, Distel Martin, Drexler Wolfgang, Leitgeb Rainer
机构信息
Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria.
EXALOS AG, Wagistrasse 21, 8952 Schlieren, Switzerland.
出版信息
Biomed Opt Express. 2020 Jun 1;11(6):3395-3406. doi: 10.1364/BOE.394229.
Abstract
We analyze the influence of intrinsic polarization alignment on image quality and axial resolution employing a broadband 840 nm light source with an optical bandwidth of 160 nm and an output power of 12 mW tailored for spectral-domain optical coherence microscopy (SD-OCM) applications. Three superluminescent diodes (SLEDs) are integrated into a 14-pin butterfly module using a free-space micro-optical bench architecture, maintaining a constant polarization state across the full spectral output. We demonstrate superior imaging performance in comparison to traditionally coupled-SLED broadband light sources in a teleost model organism .
摘要
我们使用一个光学带宽为160nm、输出功率为12mW的宽带840nm光源来分析固有偏振对准对图像质量和轴向分辨率的影响，该光源是为光谱域光学相干显微镜（SD-OCM）应用量身定制的。三个超发光二极管（SLED）使用自由空间微光学平台架构集成到一个14引脚蝶形模块中，在整个光谱输出范围内保持恒定的偏振状态。在硬骨鱼模型生物中，我们展示了与传统耦合SLED宽带光源相比更优异的成像性能。
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