419 citations · 4.3k across the 92 of their papers we have counts for
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physics.ins-det2013
Stochastic multi-channel lock-in detection
J J Hudson, M R Tarbutt, B E Sauer +1
High-precision measurements benefit from lock-in detection of small signals. Here we discuss the extension of lock-in detection to many channels, using mutually orthogonal modulati…
physics.ins-det2008★ 12 cited
A robust floating nanoammeter
B. E. Sauer, D. M. Kara, J. J. Hudson +2
A circuit capable of measuring nanoampere currents while floating at voltages up to at least 25kV is described. The circuit relays its output to ground potential via an optical fib…