The Instrument Set for Generating Fast Adiabatic Passage |
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Authors: | T Czechowski M Baranowski A Wo?niak-Braszak K Jurga J Jurga P K?dzia |
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Institution: | 1. Laboratory of EPR Tomography, Institute of Materials Technology, Faculty of Mechanical Engineering and Management, Poznan University of Technology, Piotrowo 3A St., 60-965, Poznan, Poland 2. High Pressure Physics Division, Department of Physics, Adam Mickiewicz University, Umultowska 85, St., 61-614, Poznan, Poland
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Abstract: | The design and construction of a high-performance, low-cost, and easy to assemble adiabatic extension set for homebuilt and commercial spectrometers is described. Described apparatus set was designed for the fast adiabatic passage generation and is based on direct digital synthesizer DDS. This solution gives generator high signal to noise ratio, phase stability even during frequency change which is only possible in expansive commercial high-end hardware. Critical synchronization and timing issues are considered and solutions are discussed. Different experimental conditions and techniques for the measurements are briefly discussed. The proposed system is very flexible and might be used for the measurement of low-frequency nuclear magnetic resonance. |
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