期刊
OPTICS EXPRESS
卷 20, 期 22, 页码 24132-24138出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.20.024132
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资金
- Foundation for Fundamental Research on Matter [FOM: 09NIG03]
- research program Vernieuwingsimpuls
- Netherlands Organization for Scientific Research (NWO)
We present a miniature motorized endoscopic probe for Optical Coherence Tomography with an outer diameter of 1.65 mm and a rotation speed of 3,000-12,500 rpm. This is the smallest motorized high speed OCT probe to our knowledge. The probe has a motorized distal end which provides a significant advantage over proximally driven probes since it does not require a drive shaft to transfer the rotational torque to the distal end of the probe and functions without a fiber rotary junction. The probe has a focal Full Width at Half Maximum of 9.6 mu m and a working distance of 0.47 mm. We analyzed the non uniform rotation distortion and found a location fluctuation of only 1.87 degrees in repeated measurements of the same object. The probe was integrated in a high-speed Optical Frequency Domain Imaging setup at 1310 nm to acquire images from ex vivo pig lung tissue through the working channel of a human bronchoscope. (C) 2012 Optical Society of America
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