Quantum cryptography system.
Alice's optical setup (uncovered, no thermoisolation installed)
Laser module not shown.
This picture from Quantum hacking lab gallery Alexey Brylevskis Master thesis page, Optic, Electrooptic and Fiber-Optic Components directory and is included in Picture Collection (ref. nr. a140-33) on Photo Pages
Fujichrome Sensia II 100 film,
How you can use this image. ©2001 Vadim Makarov