lossless material

lossless material

[′lȯs·ləs mə′tir·ē·əl]
(physics)
An ideal material that dissipates none of the energy of electromagnetic or acoustic waves passing through it.
References in periodicals archive ?
Although there will always be some small metallic or dielectric losses associated with all non-superconducting metamaterials, the assumption of a lossless material greatly simplifies the analysis of the NRW method.
The conditions under which the extracted material properties may be associated with a lossless material are deduced.
Analysis of the Nicolson-Ross-Weir Method for Characterizing the Electromagnetic Properties of Engineered Materials
3 (a) is rotated clockwise by 90 degrees respectively to the electric field distribution of the same mode propagated in the analogical waveguide made of lossless material SiC with Im([[epsilon].sup.SiC.sub.r])=0.
Electric field distributions of the fast and slow modes propagated in the open rod SiC waveguide/Letuju ir greituju modu, sklindanciu atvirame strypiniame SiC bangolaidyje, elektriniu lauku pasiskirstymai
If [A.sup.2] [greater than or equal to] 1, then both [epsilon] and [mu] extracted using NRW are real, and thus represent a lossless material [20].
A Waveguide Verification Standard Design Procedure for the Microwave Characterization of Magnetic Materials
The assumption that [bar.k] = k[??] is fine for lossless materials, or at least systems with hermitian [kappa] and v matrices.
Effective MagnetoElectric Properties of MagnetoElectroElastic (Multiferroic) Materials and Effects on Plane Wave Dynamics
In fact, we shall now show that for antennas with nondispersive-conductivity materials (which include lossless materials as a subset)
MINIMUM Q FOR LOSSY AND LOSSLESS ELECTRICALLY SMALL DIPOLE ANTENNAS
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