The design and use of resonant cavity wavemeters for spectrum measurements of pulsed transmitters at wavelengths near 10 cm

Allan, H. R.; Curling, C.D.

doi:10.1049/ji-3-2.1948.0117

Cited by 2 publications

(2 citation statements)

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“…It induces surface currents, which flow along the circumference of the cavity walls [19] and hence do not cross the boundary between the two half shells. Resistive losses due to contact springs are effectively avoided, and therefore its Q factor is higher compared to other modes.…”

Section: Cavity Designmentioning

confidence: 99%

First results of the CERN Resonant Weakly Interacting sub-eV Particle Search (CROWS)

et al. 2013

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The CERN Resonant Weakly Interacting sub-eV Particle Search probes the existence of weakly interacting sub-eV particles like axions or hidden sector photons. It is based on the principle of an optical light shining through the wall experiment, adapted to microwaves. Critical aspects of the experiment are electromagnetic shielding, design and operation of low loss cavity resonators, and the detection of weak sinusoidal microwave signals. Lower bounds are set on the coupling constant g ¼ 4:5 Â 10 À8 GeV À1 for axionlike particles with a mass of m a ¼ 7:2 eV. For hidden sector photons, lower bounds are set for the coupling constant ¼ 4:1 Â 10 À9 at a mass of m 0 ¼ 10:8 eV. For the latter we are probing a previously unexplored region in the parameter space.

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Section: Cavity Designmentioning

confidence: 99%

First results of the CERN Resonant Weakly Interacting sub-eV Particle Search (CROWS)

et al. 2013

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“…The resonant circuit will affect the electromagnetic field created by the radiator. The most significant influence occurs at frequencies close to the resonant frequency of the resonant circuit, causing exhausting of energy of the EMF and its subsequent return (reflection) [15]. The returning wave advances back to the radiator and from there, in the form of a high-frequency voltage it passes through a directional coupler into the control electronics.…”

Section: Realization Of the Device For Contactless Sensing Of Mechanimentioning

confidence: 99%

Novel Method of Contactless Sensing of Mechanical Quantities

Hartansky

Mierka

Bittera

et al. 2020

Measurement Science Review

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This article addresses the method of sensing mechanical quantities, in particular force and pressure, without the electrical connection of the sensing element and the electronics. The information about the mechanical quantity is transmitted only by evaluating the changes in the electromagnetic field created around the sensor. The sensor is designed on the basis of a flexible micro-electro-mechanical element (MEMS), the resonance of which carries the information about the measured quantity.

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The design and use of resonant cavity wavemeters for spectrum measurements of pulsed transmitters at wavelengths near 10 cm

Cited by 2 publications

References 0 publications

First results of the CERN Resonant Weakly Interacting sub-eV Particle Search (CROWS)

First results of the CERN Resonant Weakly Interacting sub-eV Particle Search (CROWS)

Novel Method of Contactless Sensing of Mechanical Quantities

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