Science and Engineering Article

Figure 1 Alpha Particle Specific Ionization -vs- Distance Traveled in Air
Figure 2 Photoelectric Effect
Figure 3 Compton Scattering
Figure 4 Pair Production
Figure 5 Schematic Diagram of a Gas-Filled Detector
Figure 6 Ion Pairs Collected -vs- Applied Voltage
Figure 7 Proportional Counter
Figure 8 Gas Ionization Curve
Figure 9 Proportional Counter Circuit
Figure 10 Single Channel Analyzer Operation
Figure 11 Single Channel Analyzer Output
Figure 12 Discriminator
Figure 13 BF3 Proportional Counter Circuit
Figure 14 Simple Ionization Circuit
Figure 15 Recombination and Ionization Regions
Figure 16 Ionization Chamber
Figure 17 Minimizing Gamma Influence by Size and Volume
Figure 18 Minimizing Gamma Influence with Boron Coating Area
Figure 19 Compensated Ion Chamber
Figure 20 Compensated Ion Chamber with Concentric Cylinders
Figure 21 Typical Compensation Curve
Figure 22 Quartz Fiber Electroscope
Figure 23 Gas Ionization Curve
Figure 24 Electronic Energy Band of an Ionic Crystal
Figure 25 Scintillation Counter
Figure 26 Photomultiplier Tube Schematic Diagram
Figure 27 Gamma Spectrometer Block Diagram
Figure 28 Multichannel Analyzer Output
Figure 29 Self-Powered Neutron Detector
Figure 30 Analog and Digital Displays
Figure 31 Single and Two-Stage Amplifier Circuits
Figure 32 Biased Diode Discriminator
Figure 33 Log Count Rate Meter
Figure 34 Period Meter Circuit
Figure 35 Source Range Channel
Figure 36 Intermediate Range Channel
Figure 37 Power Range Channel