quarter-wave


Also found in: Acronyms.

quarter-wave

[′kwȯrd·ər ‚wāv]
(electromagnetism)
Having an electrical length of one quarter-wavelength.
References in periodicals archive ?
As a result of investigations carried out in [4] significant advantages of MT performed as SICR have revealed as compared to a MT with lumped parameter and compared with known MT of microwave range as quarter-wave homogeneous resonators.
The quarter-wave patch and half-mode cavity antennas [4] are two typical designs of half-size resonator antennas that are suitable for wearable applications.
50:50 Polarizing Beamsplitter cage-cube mounted, operating wavelength 620-1 OOOnm, atleast 1" opening 01/2" mounted Quarter-Wave Plate, operating
The PIFA reported in [6] used parasitic patches, slots and quarter-wave resonators to realize the tri-band operation within a volume of 40 x 20 x 8 [mm.
Lee, "Enhancement of bandwidth in a chirped quarter-wave dielectric mirror," Journal of Electromagnetic Waves and Applications, Vol.
5], and featured one sample sandwiched between two quarter-wave transformers.
1] is the meandered monopole's quarter-wave mode and the other operating frequencies at [f.
Lin, "Design of an anisotropic quarter-wave polariser without insertion loss caused by mismatch," IEE Proc.
To block the necessary portion of light, the researchers added a specialized coating to the screen known as a quarter-wave retarding film.
Based on the distribution of the modal amplitudes, the modes can be classified into: 1) the fundamental Helmholtz response; 2) bottle length responses; 3) choke tube length responses; 4) nozzle quarter-wave type response; and 5) other 3D cross modes, which primarily affected the first silencer chamber.
I was able to obtain a rough sketch of the wavefront showing roughly a quarter-wave overcorrection of the original Clark figuring.
A quarter-wave criterion is applied to show how such errors can be avoided by placing the source at a large distance from the aperture plane, and it is found that in many cases it may be necessary to use collimated light as on the source side of a Fraunhofer experiment.