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physics.ins-det2020
Measuring the length of stretched wires with a avalanche oscillator
Bernard Gottschalk
We measure the length of stretched wire pairs by using them as the delay line pulse shaping element in an avalanche oscillator. The circuitry and method are extremely simple, and i…
physics.ins-det2019
Using a 3D printer for 2D beam profile measurements in proton radiotherapy
Ethan W. Cascio, Bernard Gottschalk
We have used an inexpensive 3D printer mounting an inexpensive pre-irradiated silicon diode to measure the 2D dose distribution of a small (approximately 10mm FWHM) proton beam. z…
physics.ins-det2019
Rapid measurement of tension in multi-wire arrays using free damped oscillations
Bernard Gottschalk
We explore the possibility of using free (as opposed to driven) oscillations to verify wire tension in large, open-frame multiwire planes. Using finite-element simulation we predic…