Paper
26 October 1983 Large Acrylic Spherical Windows In Hyperbaric Underwater Photography
Joe J. Lones, Jerry D. Stachiw
Author Affiliations +
Proceedings Volume 0399, Optical System Design, Analysis, and Production; (1983) https://doi.org/10.1117/12.935445
Event: 1983 International Technical Conference/Europe, 1983, Geneva, Switzerland
Abstract
Both acrylic plastic and glass are common materials for hyperbaric optical windows. Although glass continues to be used occasionally for small windows, virtually all large viewports are made of acrylic. It is easy to uderstand the wide use of acrylic when comparing design properties of this plastic with those of glass, and glass windows are relatively more difficult to fabricate and use. in addition there are published guides for the design and fabrication of acrylic windows to be used in the hyperbaric environment of hydrospace. Although these procedures for fabricating the acrylic windows are somewhat involved, the results are extremely reliable. Acrylic viewports are now fabricated to very large sizes for manned observation or optical quality instrumen tation as illustrated by the numerous acrylic submersible vehicle hulls for hu, an occupancy currently in operation and a 3600 large optical window recently developed for the Walt Disney Circle Vision under-water camera housing.
© (1983) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Joe J. Lones and Jerry D. Stachiw "Large Acrylic Spherical Windows In Hyperbaric Underwater Photography", Proc. SPIE 0399, Optical System Design, Analysis, and Production, (26 October 1983); https://doi.org/10.1117/12.935445
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KEYWORDS
Glasses

Spherical lenses

Optical spheres

Standards development

Ceramics

Safety

Cameras

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