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Alternative Optical Design For Optical Coherence Tomography Probes

机译:光学相干断层扫描探头的替代光学设计

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Many fiber based probes used in Optical Coherence Tomography (OCT) are comprised of a spacer, GRadient INdex (GRIN) lens, and a microprism. This design has the benefit of being relatively simple given the need for only three optical components. However, because of constraints to optical performance specifications, such as the probe working distance and spot size, the spacer and GRIN lens will have demanding and difficult tolerances for component length. These tolerances are a detriment to high volume manufacturing. In this paper we present an alternative monolithic, single component design form which is more robust and eliminates the manufacturing constraints of the present design form, thereby making it ideally suited for high volume manufacturing.
机译:光学相干断层扫描(OCT)中使用的许多基于光纤的探头由垫片,GRadient Index(GRIN)透镜和微棱镜组成。鉴于仅需要三个光学组件,该设计具有相对简单的优势。但是,由于对光学性能规格的限制,例如探针的工作距离和光斑尺寸,垫片和GRIN透镜对部件长度的要求和困难的公差都很大。这些公差不利于大批量生产。在本文中,我们提出了一种替代的整体式,单组件设计形式,该形式更坚固并且消除了当前设计形式的制造限制,从而使其非常适合于大批量制造。

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