PresTo:用于深海低成本成像的充液相机

IF 2.3 3区 地球科学 Q2 OCEANOGRAPHY
Breanna E. Motsenbocker , Timothy J. Noyes , Alexandra T. Runyan , Russell Shomberg , Brennan T. Phillips
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引用次数: 0

摘要

深海成像系统历来制造成本高昂,其物理尺寸取决于其外壳和内部相机/镜头组件的工作深度。液体和环氧树脂填充的仪器设计越来越受欢迎,成为降低深海外壳成本和尺寸的一种方法。三维打印技术的最新进展促进了这些耐压深海设计的快速原型制作。本研究介绍了使用 SLA 3D 打印方法制造的充液耐压相机 PresTo 的设计。这是一种结构紧凑、成本低廉的成像系统,相机内充满去离子水,并涂有环氧树脂,以去除相机内所有可内嵌的空气体积。PresTo 的镜头设计可轻松定制为任何焦距,并可通过磁力驱动的对焦机制实现变焦功能。与其他使用平面视口的水下摄像机相比,使用 PresTo 拍摄的图像失真可能最小,这是因为仅仅为了隔离压力而取消了平面视口,周围环境和内部介质的折射率必然会降低。所介绍的系统已经过实地测试,深度超过 1700 米,并经过水压测试,可在 2600 米以上正常工作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
PresTo: A liquid-filled camera for low-cost imaging in the deep sea

Deep-sea imaging systems are traditionally expensive to manufacture and are physically scaled depending on the operating depth of their housing and the internal camera/lens components. Liquid and epoxy filled instrument designs are increasing in popularity as a way to reduce the cost and size of deep-sea housings. Recent advances in 3D printing have facilitated rapid prototyping of these pressure tolerant deep-sea designs. This study presents the design of PresTo, a liquid-filled pressure tolerant camera manufactured using SLA 3D printing methods. This is a compact and low-cost imaging system filled with deionized water and coated in epoxy to remove all implodable air volumes in the camera. The lens design for PresTo can be easily customized to any focal length and with zoom capabilities using a magnetically driven focus mechanism. Images taken with PresTo likely have minimal image distortions compared to other underwater cameras with flat viewports because, due to the elimination of a flat viewport solely for the reason of pressure isolation, there is an inherent reduction in the refractive indices of the surrounding environment and internal medium. The presented system has been field-tested to depths exceeding 1700 m and has been hydrostatically tested to function beyond 2600 m.

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来源期刊
CiteScore
4.60
自引率
4.20%
发文量
144
审稿时长
18.3 weeks
期刊介绍: Deep-Sea Research Part I: Oceanographic Research Papers is devoted to the publication of the results of original scientific research, including theoretical work of evident oceanographic applicability; and the solution of instrumental or methodological problems with evidence of successful use. The journal is distinguished by its interdisciplinary nature and its breadth, covering the geological, physical, chemical and biological aspects of the ocean and its boundaries with the sea floor and the atmosphere. In addition to regular "Research Papers" and "Instruments and Methods" papers, briefer communications may be published as "Notes". Supplemental matter, such as extensive data tables or graphs and multimedia content, may be published as electronic appendices.
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