scholarly journals Resonant-cavity approach to noninvasive, pulse-to-pulse emittance measurement

2005 ◽  
Vol 76 (12) ◽  
pp. 125109
Author(s):  
J. S. Kim ◽  
C. D. Nantista ◽  
R. H. Miller ◽  
A. W. Weidemann
Keyword(s):  
Resonant Cavity ◽  
Emittance Measurement

scholarly journals A resonant cavity for single-shot emittance measurement

2002 ◽  
Author(s):  
J.S. Kim ◽  
C.D. Nantista ◽  
D.H. Whittum ◽  
R.H. Miller ◽  
S.G. Tantawi ◽  
...  
Keyword(s):  
Resonant Cavity ◽  
Single Shot ◽  
Emittance Measurement

Techniques for assessing the performance of circuit materials at microwave and millimetre-wave frequencies

2003 ◽  
Vol 783 ◽  
Author(s):  
Charles E Free
Keyword(s):  
Loss Tangent ◽  
Good Accuracy ◽  
Low Cost ◽  
Resonant Cavity ◽  
New Technique ◽  
Millimetre Wave ◽  
A New Technique

This paper discusses the techniques that are available for characterising circuit materials at microwave and millimetre wave frequencies. In particular, the paper focuses on a new technique for measuring the loss tangent of substrates at mm-wave frequencies using a circular resonant cavity. The benefits of the new technique are that it is simple, low cost, capable of good accuracy and has the potential to work at high mm-wave frequencies.

METHODS FOR OBTAINING MULTIFREQUENCY LASING IN RESONANT CAVITY OF THE THZ LASER

2016 ◽  
Vol 75 (4) ◽  
pp. 355-361
Author(s):  
V. P. Radionov ◽  
P. K. Nesterov ◽  
V. K. Kiseliov
Keyword(s):  
Resonant Cavity

Usefulness of Foundry Tooling Materials in Microwave Heating Process

2013 ◽  
Vol 58 (3) ◽  
pp. 919-922 ◽  
Author(s):  
K. Granat ◽  
B. Opyd ◽  
D. Nowak ◽  
M. Stachowicz ◽  
G. Jaworski
Keyword(s):  
Electromagnetic Field ◽  
Microwave Heating ◽  
Loss Factor ◽  
Perturbation Technique ◽  
Resonant Cavity ◽  
Precise Determination ◽  
Heating Process ◽  
Basic Criterion ◽  
Measurement Results ◽  
Heating Technology

Abstract The paper describes preliminary examinations on establishing usefulness criteria of foundry tooling materials in the microwave heating technology. Presented are measurement results of permittivity and loss tangent that determine behaviour of the materials in electromagnetic field. The measurements were carried-out in a waveguide resonant cavity that permits precise determination the above-mentioned parameters by perturbation technique. Examined were five different materials designed for use in foundry tooling. Determined was the loss factor that permits evaluating usefulness of materials in microwave heating technology. It was demonstrated that the selected plastics meet the basic criterion that is transparency for electromagnetic radiation.

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