Search Results - "Cruickshank, P.A.S."

Instrumentation for high sensitivity, high power, millimetre wave, electron paramagnetic resonance by Smith, G.M, Robertson, D.A, Bolton, D.R, Cruickshank, P.A.S, Motion, C, McKay, J, El Mkami, H, Wylde, R, Hunter, R.I

“…Pulsed Electron Paramagnetic Resonance (EPR) is now a standard magnetic resonance characterisation technique used in the analysis of paramagnetic defects,…”
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Reducing standing waves in quasi-optical systems by optimal feedhorn design by Cruickshank, P.A.S., Bolton, D.R., Robertson, D.A., Wylde, R.J., Smith, G.M.

“…Standing waves between transmit and receive feedhorns in quasi-optical systems often limit the achievable performance of mm-wave and sub-mm-wave…”
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Nanosecond phase coherent pulse generation at 94GHz at kW power levels by Robertson, D.A., Bolton, D.R., Cruickshank, P.A.S., Smith, G.M.

“…Next generation millimetre wave radars and pulsed electron spin resonance (ESR) instruments require complex pulse sequences consisting of very short, high…”
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Resistive polarisers and quasi-optical planar isolators by Hunter, R.I., Cruickshank, P.A.S., Robertson, D.A., Smith, G.M.

“…In order to construct truly planar quasi-optical isolators it is necessary to develop resistive polarisers, which transmit one linear polarisation and absorb…”
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Bringing the NMR Paradigm to ESR by Cruickshank, P.A.S., Bolton, D.R., Robertson, D.A., Wylde, R.J., Smith, G.M.

“…We describe a 94GHz pulsed Electron Spin Resonance (ESR) spectrometer capable of delivering arbitrary pulse sequences at kW power levels with sub-nanosecond…”
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Compact, high power EIK sources used for ESR and NMR by Steer, B., Hyttinen, M., Roitman, A., Horoyski, P., Smith, G.M., Bolton, D.R., Cruickshank, P.A.S., Robertson, D.A.

“…The EIKs described have demonstrated capability to provide mmW power suitable for improved ESR and NMR systems. The performance of EIKs at 94 GHz and 220 GHz…”
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Technologies for sub-ns pulse coherent mm-wave radar by Robertson, D.A., Bolton, D.R., Cruickshank, P.A.S., Hunter, R.I., Smith, G.M.

“…Pulse coherent radar and pulsed magnetic resonance spectrometry are closely related techniques which share similar design constraints and technological…”
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Nanosecond risetime optically-activated mm-wave waveguide switch by Cruickshank, P.A.S., Robertson, D.A., Smith, G.M.

“…We present the design and initial characterisation of a nanosecond risetime, laser driven 940Hz waveguide switch based on rapid carrier generation in high…”
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High performance MM-wave radar techniques by Robertson, D.A, Macfarlane, D.G, Cruickshank, P.A.S, Bolton, D.R, Hunter, R.I, Smith, G.M

“…The Millimetre Wave and High-Field ESR Group at St Andrews has recently been developing a range of mm-wave radar technologies that have yielded the successful…”
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Centimetre resolution time domain reflectometry using ultra-short millimetre wave pulses by Robertson, D.A., Bolton, D.R., Cruickshank, P.A.S., Smith, G.M.

“…We present a technique for making time domain reflectometry (TDR) measurements of mm-wave systems using sub-nanosecond 94GHz pulses which yields distance…”
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High power mm-wave systems for pulsed and CW ESR by Bolton, D.R., Robertson, D.A., Cruickshank, P.A.S., Smith, G.M.

“…We describe a low noise mm-wave source and coherent heterodyne detection system designed to operate at both 94 GHz and 188 GHz for both CW and pulsed ESR. The…”
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The HIPER project - sub-nanosecond pulse ESR by Cruickshank, P.A.S., Bolton, D.R., Robertson, D.A., Keeble, D.J., Smith, G.M.

“…In this paper, we describe the design challenges, potential applications and initial work associated with the HIPER project. This program has the aim of…”
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