Angular and spectral peculiarities of the coherent thermal radiation of the magneto-optical Fabry–Perot resonator in a magnetic field

• Published in: Journal of optics. A, Pure and applied optics Vol. 11; no. 8; p. 085503
• Main Authors: Morozhenko, V, Kollyukh, O G
• Format: Journal Article
• Language: English
• Published: Bristol IOP Publishing 01.08.2009; Institute of Physics
• Subjects: Coherence; Exact sciences and technology; Fundamental areas of phenomenology (including applications); Laser optical systems: design and operation; Magnetic fields; Mathematical analysis; Monitoring; Optics; Physics; Resonators; Resonators, cavities, amplifiers, arrays, and rings; Spectra; Thermal radiation; Transformations; Fabry-Perot resonators; emissivity; Thermal radiation; Faraday rotation; Coherent radiation; Optical resonators; Faraday effect; Magneto-optical effects; Matrix method; Infrared radiation; coherent thermal radiation; Fabry-Perot resonator
• ISSN: 1464-4258; 1741-3567
• DOI: 10.1088/1464-4258/11/8/085503

The influence of magnetic field on the angular and spectral dependences of the coherent thermal radiation of the magneto-optical Fabry--Perot resonators is investigated theoretically and experimentally. The matrix method of multi-beam summation, considering the Faraday rotation, is used to calculate the magneto-optical Fabry--Perot resonator emissivity. It is shown that in conditions of optical resonance the Faraday rotation results in transformation of the spectrum and the directional diagram of coherent thermal radiation. The results of calculations show good agreement with experimental data. The results obtained may be applied for monitoring the parameters of a semitransparent plane-parallel layer and structures, and for developing new magneto-optical devices and controllable sources of infrared radiation.