Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Jacobs Stephen F3

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Jacobs Stephen F3

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We charge a usage fee per photo if the photo is published, reproduced in a product or publicly exhibited. This is not a license in the legal sense. As a non-profit institution, we do not make any money providing these photographs. It is only by assessing usage fees that we are able to cover the cost of providing publication quality copies of our photos, preserving the photograph collection according to archival standards, and providing access to the collection by maintaining an online image database. The copyright holder may charge a fee in addition to our service fee.

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$20.00
Donor: 
Stephen F. Jacobs
Image title: 
Unsuccessful system used at Technical Research Group
Credit line: 
AIP Emilio Segrè Visual Archives, Stephen Jacobs Collection
Description: 

Unsuccessful system used at Technical Research Group (TRG Inc.) to translate a flashlamp-pumped hot cesium vapor tube into place between two pre-aligned flat mirrors (Fabry-Perot Resonator). Flat Fabry-Perot mirrors were aligned using Hg'98 fringes then the short optically pumped gain tube was inserted between the mirrors.

Location: 
Photo date: 
November 1960
Original format: 
1 photographic print (black and white; 8 x 10 inches)
Person(s): 
Jacobs, Stephen F.