Andrew Murray
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Professor of Atomic Physics
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About
Professor Andrew Murray is a Professor of Atomic Physics at the University of Manchester, UK. His research areas include hyperfine structure measurements, laser technology, and electron scattering processes, as evidenced by his recent articles on the differential cross sections of noble gases and innovative experimental setups for undergraduate education. He has contributed to advancements in laser-fibre interfaces and pulse counting systems, enhancing the field of atomic physics through both practical and theoretical applications.
Recent Grants
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A new method for studying laser and electron interactions for a wide range of atomic targets - collision studies in an optical enhancement cavity
Open Date: 2009-09-20
Close Date: 2013-03-20
Articles (16)
An undergraduate physics experiment to measure the frequency-dependent impedance of inductors using an Anderson bridge
One of the most accurate ways to measure the impedance of an electrical component is to place it in a bridge that is then balanced. The most familiar bridge in an undergraduate laboratory is the Wheatstone bridge, which can measure resistance to high precision. Other types are, however, required for reactive components. This paper describes the use of Anderson's bridge to measure inductance, allowing both the inductance and resistance of different inductors to be determined. The inductors are analysed with different cores: perspex, copper, and steel. Models for the inductance that include the effect of skin depth, winding proximity, eddy currents, and core effects are introduced and compared to measurements in the frequency range from 100 Hz to 100 kHz.
Year:
2023
Collaborators (1)
Carl Hickman
The University of Manchester
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