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Design, manufacture, and evaluation of prototype telescope windows for use in low-vision aids

机器翻译用于低视力辅助设备的原型望远镜窗的设计,制造和评估

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2.4 【6hr】

【摘要】Pixellated Optics, a class of optical devices which preserve phase front continuity only over small sub areas of the device, allow for a range of uses that would not otherwise be possible. One potential use is as Low Vision Aids (LVAs), where they are hoped to combine the function and performance of existing devices with the size and comfort of conventional eyewear. For these devices a Generalised Confocal Lenslet Array (GCLA) is designed to magnify object space, creating the effect of traditional refracting telescope within a thin, planar device. By creating a device that is appreciably thinner than existing LVA telescopes it is hoped that the comfort for the wearer will be increased. We have developed a series of prototype GLCA-based devices to examine their real-world performance, focussing on the resolution, magnification and clarity of image attainable through the devices. It is hoped that these will form the basis for a future LVA devices. This development has required novel manufacturing techniques and a phased development approach centred on maximising performance. Presented here will be an overview of the development so far, alongside the performance of the latest devices.

【作者】Cyril Bourgenot; Johannes Courtial; Euan Cowie; John Girkin; Gordon Love; David Robertson; Laura Young;

【作者单位】Centre for Advanced Instrumentation, Department of Physics, Durham University, Durham, United Kingdom,NETPark Research Institute, Sedgefield, United Kingdom; SUPA School of Physics & Astronomy, University of Glasgow, Glasgow, United Kingdom; SUPA School of Physics & Astronomy, University of Glasgow, Glasgow, United Kingdom; Centre for Advanced Instrumentation, Department of Physics, Durham University, Durham, United Kingdom; Centre for Advanced Instrumentation, Department of Physics, Durham University, Durham, United Kingdom; Centre for Advanced Instrumentation, Department of Physics, Durham University, Durham, United Kingdom; Centre for Advanced Instrumentation, Department of Physics, Durham University, Durham, United Kingdom;

【年(卷),期】2017,,

【页码】103760I.1-103760I.8

【总页数】8

【正文语种】eng

【中图分类】;

【关键词】Geometric Optics; Imaging Systems; Artificially Engineered Materials;