Experimental Modern and Quantum Physics for Do-It-Yourself Science Enthusiasts 

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d.i.y. Two-Channel Single-Photon and Coincidence Counter

Inside of diy 2-channel single-photon and coincidence counter module

This is an inside view of the two-channel photon and coincidence counter of the book‘s Figure 145.  It is used in the photon entanglement experiments of Chapter 8.

This circuit processes the outputs from our single-photon counting modules through two two 74ACT74 dual D-type positive edge-triggered flip-flops that perform pulse stretching and coincidence counting. The counts are displayed through Veeder-Root A103-000 counter modules. A Veeder-Root A103-008 allows counting to happen for a preset amount of time.

Panel front view of diy single-photon and coincidence counter for photon entanglement experiments

 

Please visit www.prutchi.com and www.diyPhysics.com for other cutting-edge d.i.y. projects, and remember to check out our new d.i.y. Quantum Physics book:

 
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