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Ilja Gerhardt tunes entangled photon-pair source

This picture from Full eavesdropping on quantum cryptography gallery and Quantum hacking lab gallery is included in Picture Collection (ref. nr. a285-23) on Photo Pages.

Taken on May 13, 2009 at the Centre for quantum technologies, Singapore.
Fujichrome Sensia 100 film, Canon EOS-3, EF 50mm 1:1.4 USM lens, f/(around the wide open end), 550EX flash –1..–1¹/₃. Scanned on Nikon LS-2000 scanner.

How you can use this image. ©2009 Vadim Makarov