期刊
OPTICS LETTERS
卷 42, 期 4, 页码 867-870出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.42.000867
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资金
- National Institutes of Health (NIH) [R01 HL116213-01]
- Cystic Fibrosis Foundation [ROWE10XX0, TEARNE07XX0]
- Nanyang Technological University (NTU), Nanyang President Graduate Scholarship
We report the design and fabrication of a flexible, longitudinally scanning high-resolution micro-optical coherence tomography (mu OCT) endobronchial probe, optimized for micro-anatomical imaging in airways. The 2.4 mm diameter and flexibility of the probe allows it to be inserted into the instrument channel of a standard bronchoscope, enabling real-time video guidance of probe placement. To generate a depth-of-focus enhancing annular beam, we utilized a new fabrication method, whereby a hollow glass ferrule was angle-polished and gold-coated to produce an elongated annular reflector. We present validation data that verifies the preservation of linear scanning, despite the use of flexible materials. When utilized on excised, cultured mouse trachea, the probe acquired images of comparable quality to those obtained by a benchtop mu OCT system. (C) 2017 Optical Society of America
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