Tunable multi-micro-lens system for high lateral resolution endoscopic optical coherence tomography

K. Aljasem, A. Seifert, H. Zappe
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引用次数: 1

Abstract

A pneumatically actuated tunable liquid micro-lens is developed for integration in an endoscopic optical coherence tomography (OCT) system allowing dynamic focusing along the scan depth. An evaluation of the optical performance, particularly transverse resolution, is presented and its utility in OCT discussed. A transverse resolution of about 15 mum which does not vary with a scan depth of 9 mm scan depth has been obtained, performance which cannot be obtained with a fixed focal length lens.
用于高横向分辨率内窥镜光学相干断层成像的可调多微透镜系统
一种气动驱动的可调液体微透镜被开发用于集成在内镜光学相干断层扫描(OCT)系统中,允许沿扫描深度动态聚焦。给出了光学性能的评价,特别是横向分辨率,并讨论了其在OCT中的应用。横向分辨率约为15 μ m,且不随扫描深度(9 mm)的变化而变化,这是固定焦距透镜无法获得的性能。
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