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09 February 2012

Answer to Question #4602 Submitted to "Ask the Experts"

Category: Industrial Radiation — Industrial Applications

The following question was answered by an expert in the appropriate field:

I have been tasked to find a video camera, CCTV type, to install in a bay where there is a particle beam generator. There is approximately 10 Mrad per day dose (high-energy flux, neutron) in the bay when a test is done and I was wondering what type of optical chip survives the best in an environment like this.

There are several "radiation hardened" video cameras or video cameras with "radiation hardened" fiber optics that allow remote viewing of an area like you describe.

Some websites that discuss such equipment are listed in the following:

Industrial Video Systems, Inc.

Roper Resources Ltd.

Thermo Scientific

Westec Services, Inc.

Imaging and Sensing Technology Corporation

I researched the use of "radiation hardened" video cameras and it was strongly recommended to use a camera with a videcon-vacuum tube and not solid-state imaging, for longer life.

Due to the cost of "radiation hardened" video cameras, we went with disposable security cameras that cost about $40 to $50 each.

John P. Hageman, MS, CHP

Answer posted on 8 July 2005. The information and material posted on this website is intended as general reference information only. Specific facts and circumstances may alter the concepts and applications of materials and information described herein. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice specific to whatever facts and circumstances are presented in any given situation. Answers are correct at the time they are posted on the Website. Be advised that over time, some requirements could change, new data could be made available, or Internet links could change. For answers that have been posted for several months or longer, please check the current status of the posted information prior to using the responses for specific applications.