15 July 2015 Compact dual-view endoscope without field obscuration
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We have developed a compact dual-view endoscopic probe without field obscuration to address the need of simultaneously observing forward and backward fields of view (FOVs) in the colon. The objective is compact with the forward-view and rear-view optical paths sharing the same optical elements. The compact objective is new in that no FOV is blocked. The illumination for forward-view imaging is provided by the cylindrical light guide and backward illumination is achieved with a reflector. We have designed, prototyped, and tested the endoscope by comparing it to a standard clinical colonoscope. We will discuss the system concept, objective design, fabrication of the freeform lens, and test results.
© 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
Rajender Katkam, Rajender Katkam, Bhaskar Banerjee, Bhaskar Banerjee, Chih-Yu Huang, Chih-Yu Huang, Xiaoyin Zhu, Xiaoyin Zhu, Luis Ocampo, Luis Ocampo, Jerri-Lynn Kincade, Jerri-Lynn Kincade, Rongguang Liang, Rongguang Liang, } "Compact dual-view endoscope without field obscuration," Journal of Biomedical Optics 20(7), 076007 (15 July 2015). https://doi.org/10.1117/1.JBO.20.7.076007 . Submission:

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