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

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Home Archive for category "Instrumentation" (Page 5)
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Our New Photomultiplier :)

A very funny cartoon by Prof. Dr. Claus Grupen of Siegen University:  

 
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diy Measurement of the Charge-to-Mass Ratio of the Electron Using “Magic Eye” Tube – Supplementary Pictures

Figure 54 in the book shows our setup based on a 6AF6-G “magic eye” tuning tube to measure e/m.  The pictures in this figure supplement the book’s Figure 54 to help you build your own system.   In the 6AF6, electrons produced by a thermionic cathode cause fluorescence on the tube’s anode. Applying an external magnetic field curves

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

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.

 
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d.i.y. Measurement of Electron’s Charge-to-Mass Ratio Through Hoag’s Method – Supplemental Pictures

Figures 51 and 52 in the book show how to use an oscilloscope 2AP1 CRT to measure e/m using Hoag’s method.  The pictures in this figure supplement the book’s, showing you how to construct the d.i.y. setup, as well as the way in which the electron beam fan is reduced to a point as the magnetic

 
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d.i.y. Maltese Cross Cathode Ray Tube – Supplementary Picture

This is a supplementary picture to the book’s Figure 43.  It shows our d.i.y. “Maltese Cross” CRT connected to the vacuum system and high-voltage power supply.  Please note that the HV power supply is configured to produce a negative output referenced to ground.  The anode and target electrode are at ground potential.  The cathode rod

 
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d.i.y. Glow Discharge Tube Diagnostics – Supplementary Figure

This figure supplements the book’s Figure 42.  The book’s figure describes the features that appear in the glow discharge.  However, we felt that a color picture is required as a cross-check to help you correctly set up your own system.

 
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X-Band Gunnplexer Microwave Transceiver for Microwave Optics Experiments

This is an inside view of our X-Band Gunnplexer transceiver (book‘s Figure 12) that should help you build your own units if you follow the schematics shown in the book’s Figure 11 .  It is used throughout Chapter 1 for experiments in microwave optics, in Chapter 6 to measure single-slit diffraction, and in Chapter 7 to experiment

 
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MX-10160 Gen III Image Intensifier Tube

This is the surplus Gen III image intensifier tube (an MX-10160 Gen III intensifier tube used in the helmet-mounted AN/AVS-6 “ANVIS” aviation night vision imaging system, which we purchased on eBay®) that we used to build our setup to image interference patterns from our single-photon two-slit setup (book‘s Figure 93).  The tube is supplied by

 
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Pictorial Instructions for Modifying ENI CD V700 into CDV700 Pro

We modified a surplus Civil Defense V-700 radiation survey meter made by Electro Neutronics Inc. (Model 6-b) into a very capable radiation counter capable of working with both Geiger-Müller and PMT scintillation probes. We modified the front panel to accommodate the new switches, connectors, and panel light. In addition, we placed a Veeder-Root count totalizer

 
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