Selection of the higher transverse modes of a waveguide quasi-optical resonator

A method of spatial filtration for the selective excitation of individual higher-order transverse oscillation modes with a high degree of discrimination of undesirable modes in a waveguide quasi-optical resonator is described. The method is based on the use of a mirror with absorbing or scattering i...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2010-01, Vol.40 (1), p.68-72
Main Authors: Volodenko, A V, Gurin, O V, Degtyarev, A V, Maslov, Vyacheslav A, Svich, V A, Topkov, A N
Format: Article
Language:English
Subjects:
ABSORPTION
AMPLITUDES
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DIELECTRIC MATERIALS
ELECTRONIC EQUIPMENT
ENERGY-LEVEL TRANSITIONS
Exact sciences and technology
EXCITATION
FILTRATION
Fundamental areas of phenomenology (including applications)
Laser optical systems: design and operation
MATERIALS
MIRRORS
Optical elements, devices, and systems
Optical waveguides and coupleurs
Optics
OSCILLATION MODES
Physics
RESONATORS
Resonators, cavities, amplifiers, arrays, and rings
SCATTERING
SEPARATION PROCESSES
SORPTION
SURFACES
WAVEGUIDES
WAVELENGTHS
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Summary:A method of spatial filtration for the selective excitation of individual higher-order transverse oscillation modes with a high degree of discrimination of undesirable modes in a waveguide quasi-optical resonator is described. The method is based on the use of a mirror with absorbing or scattering inhomogeneities discretely arranged on its surface. The efficient excitation of such modes in a waveguide dielectric resonator with a nonuniform amplitude-step mirror in the submillimetre wavelength range (at 0.4326 mm) is confirmed theoretically and experimentally. (resonators)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2010v040n01ABEH014142