In the Afshar experiment, a lens refocuses light so that the image of each pinhole falls on a separate single-photon detector.
Sources
- Afshar experiment (en.wikipedia.org)
- https://arxiv.org/pdf/0802.0245 (arxiv.org)
- https://arxiv.org/pdf/quant-ph/0512123 (arxiv.org)
- https://arxiv.org/pdf/0805.0254 (arxiv.org)
- https://arxiv.org/pdf/2302.06748 (arxiv.org)
- https://www.sciencedirect.com/science/article/abs/pii/S1355219805000626 (sciencedirect.com)
- https://phys.org/news/2007-03-physicists-double-slit-einstein-belief.html (phys.org)
- https://transactionalinterpretation.org/2020/07/14/demystifying-the-afshar-experiment/ (transactionalinterpretation.org)
- https://www.researchgate.net/publication/224571341_Afshar's_experiment_revisited_A_demonstration_of_Bohr's_complementary_principle (researchgate.net)
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