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Lars Lydersen testing Clavis2 quantum cryptography system for detector controllability

This picture from Cracking commercial quantum cryptography gallery and Quantum hacking lab gallery is included in Picture Collection (ref. nr. a297-31) on Photo Pages.

Taken on October 5, 2009 at the Department of Electronics and Telecommunications, NTNU.
Fujichrome Sensia 100 film, Canon EOS-3, EF 28–105 1:3.5–4.5 USM lens at about 50 mm, f/8 1/20, 550EX flash –²/₃ (which was of course a gross underexposure) bounced off white wall, handheld. Scanned on Nikon LS-2000 scanner.

How you can use this image. ©2009 Vadim Makarov