Accession Number : ADD003405

Title :   Alpha Meter Attachment for Underwater Optical Systems.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : McCardell,Peter D ; Heckman,Paul J , Jr

Report Date : 24 Aug 1976

Pagination or Media Count : 6

Abstract : An improved viewing port for underwater oceanographic vehicle provides for establishing a standard length optical test path in the underwater environment with no modifications or additional passages through the hull of the vehicle. This invention provides an optical path using multiple light transmissions between two especially configured reflectors carried on the exterior surface of an optical port. This construction obviates the need for structure extending outwardly from the oceanographic submersible and, additionally, permits cooperating equipment of several types to be used in conjunction with a single optical datum path. Further, the port used for support of the reflectors may be used as a general purpose viewport.

Descriptors :   *Optical instruments, *Oceanographic equipment, *Patents, Submersibles, Viewers, Underwater light, Reflectors

Subject Categories : Physical and Dynamic Oceanography
      Marine Engineering
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE