P G Kwiat 1998 Phys. Scr. 1998 115 doi:10.1238/Physica.Topical.076a00115
P G Kwiat
Show affiliationsUsing a hybrid of a simple interference technique and an application of the quantum Zeno effect, it is possible to optically determine the presence of an absorbing object with an arbitrarily low probability that a photon is actually absorbed. We have demonstrated the feasibility of systems in which up to 85% of the measurements could be "interaction-free". Also, we have started investigating the possibility of using these techniques to allow "interaction-free" imaging of objects; our prototype schemes have shown resolutions of less than 10 µm. Finally, we present a curious phenomenon that occurs when the object in question is only partially transmitting, which should allow a seeming violation of Beer's law.
Issue T76 (1998)
Received 3 October 1997
P G Kwiat 1998 Phys. Scr. 1998 115
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