0. 4 mm interferometer system using dielectric waveguide Page: 4 of 11
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-- HOLLOW DIELECTRIC
^--N (l POLVETHVIEN? LENSES
MV( AR BEAMSPLITTERS
GOLD COATED GLASS MIRRORS
SCMOTTK V OIODE
Figure I. Schematic of the submillimeter-wave polarimeter/interferoraeter
system using hollow dielectric waveguide and heterodyne detection.
nitrogen. Upon entering the waveguide, the submillimeter laser beams assume an
EH^ high-order waveguide mode and are transmitted without the need for relay
lenses to maintain a uniform beam size. Thin transparent pellicles of mylar are
used to seal the ends of the waveguide against the atmosphete. For the sake of
simplicity, only one of the four chords is shown in Fig. 1 and is henceforth
described. As shown in Fig. 2, the probing beam traverses a poloidal plasma cross
section and experiences a phase shift, i, (22)
<t>, = 2.82 • 10
and a Faraday rotation, 0
0 v = 1.5 • 10
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Hutchinson, D. P.; Ma, C. H.; Staats, P. A. & Vander Sluis, K. L. 0. 4 mm interferometer system using dielectric waveguide, article, January 1, 1982; Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc1087095/m1/4/: accessed March 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.