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The length spectra of flat three-dimensional dielectric resonators of circular shape were determined from a microwave experiment. They were compared to a semiclassical trace formula obtained within a two-dimensional model based on the…

Optics · Physics 2012-02-03 S. Bittner , E. Bogomolny , B. Dietz , M. Miski-Oglu , A. Richter

Resonance spectra of two-dimensional dielectric microwave resonators of circular and square shapes have been measured. The deduced length spectra of periodic orbits were analyzed and a trace formula for dielectric resonators recently…

Chaotic Dynamics · Physics 2010-06-25 S. Bittner , E. Bogomolny , B. Dietz , M. Miski-Oglu , P. Oria Iriarte , A. Richter , F. Schäfer

Methods on reducing resonant frequencies and electrical sizes of resonators are reported in this paper. Theoreti-cal and numerical analysis has been used and the results for the broadside-coupled resonators from both studies exhibit good…

Optics · Physics 2008-10-15 T. Hao , J. Zhu , D. J. Edwards , C. J. Stevens

In this paper, the authors propose a two-dimensional, wide dynamic range, linear displacement sensor using microwave methods. The microwave sensor circuit employs a cylindrical dielectric resonator proximity coupled to a pair of orthogonal…

Applied Physics · Physics 2023-02-28 Premsai Regalla , A. V. Praveen Kumar

Dielectric micro-cavities are widely used as laser resonators and characterizations of their spectra are of interest for various applications. We experimentally investigate micro-lasers of simple shapes (Fabry-Perot, square, pentagon, and…

We present a detailed experimental study of the symmetry properties and the momentum space representation of the field distributions of a dielectric square resonator as well as the comparison with a semiclassical model. The experiments have…

Optics · Physics 2014-11-13 S. Bittner , E. Bogomolny , B. Dietz , M. Miski-Oglu , A. Richter

Dielectric resonators are open systems particularly interesting due to their wide range of applications in optics and photonics. In a recent paper [PRE, vol. 78, 056202 (2008)] the trace formula for both the smooth and the oscillating parts…

Precise microwave measurements of sample conductivity, dielectric, and magnetic properties are routinely performed with cavity perturbation measurements. These methods require the accurate determination of quality factor and resonant…

Materials Science · Physics 2009-10-31 Paul J. Petersan , Steven M. Anlage

Dielectric optical micro-resonators and micro-lasers represent a realization of a wave-chaotic system, where the lack of symmetry in the resonator shape leads to non-integrable ray dynamics. Modes of such resonators display a rich spatial…

We measured the resonance spectra of two stadium-shaped dielectric microwave resonators and tested a semiclassical trace formula for chaotic dielectric resonators proposed by Bogomolny et al. [Phys. Rev. E 78, 056202 (2008)]. We found good…

Optics · Physics 2012-05-23 S. Bittner , B. Dietz , R. Dubertrand , J. Isensee , M. Miski-Oglu , A. Richter

This work focuses on the development of planar microwave resonators which are to be used in electron spin resonance spectroscopic studies. Two half wavelength microstrip resonators of different geometrical shapes, namely straight ribbon and…

Applied Physics · Physics 2020-07-07 Subhadip Roy , Sagnik Saha , Jit Sarkar , Chiranjib Mitra

A microwave lens with highly reduced reflectance, as compared to conventional dielectric lenses, is proposed. The lens is based on two-dimensional or three-dimensional transmission-line networks that can be designed to have an effective…

Optics · Physics 2009-11-13 Pekka Alitalo , Olli Luukkonen , Joni Vehmas , Sergei Tretyakov

We study long-lived resonances (lowest-loss modes) in hexagonally shaped dielectric resonators in order to gain insight into the physics of a class of microcrystal lasers. Numerical results on resonance positions and lifetimes, near-field…

Optics · Physics 2009-11-07 Jan Wiersig

This paper presents the design of a dual band rectangular Dielectric Resonator Antenna (DRA) coupled to narrow slot aperture that is fed by microstrip line. The fundamental TE111 mode and higher-order TE113 mode are excited with their…

Other Computer Science · Computer Science 2013-06-07 H. Raggad , M. Latrach , A. Gharsallah , T. Razban

The extensive research and development of micromechanical resonators is trying to allow the use of these devices for highly sensitive applications. Microcantilevers are some of the simplest MEMS structure and had been proved to be a good…

Other Computer Science · Computer Science 2008-02-22 M. Narducci , E. Figueras , I. Gracia , L. Fonseca , J. Santander , C. Cané

The resemblance between electrons and optical waves has strongly driven the advancement of mesoscopic physics. However, electron waves have yet to be understood in open cavity structures which have provided contemporary optics with rich…

The investigations have been conducted on the involved design parameters to analyze the behavior of the microwave displacement sensor output characteristics. To implement this, a dielectric resonator loaded to a reflection mode operated…

Instrumentation and Detectors · Physics 2023-03-01 Premsai Regalla , Praveenkumar A

Superconducting microwave resonators are reliable circuits widely used for detection and as test devices for material research. A reliable determination of their external and internal quality factors is crucial for many modern applications,…

Superconductivity · Physics 2015-02-23 S. Probst , F. B. Song , P. A. Bushev , A. V. Ustinov , M. Weides

A theoretical model based on the transverse resonance method is proposed for the description of cylindrical multilayer dielectric resonator sensors. From this model, the resonant frequency and the sensitivities with respect to geometrical…

Computational Physics · Physics 2007-05-23 R. Barrere , P. Boughedaoui , M. Valentin

We experimentally demonstrate the effect of anomalous breakdown of the effective medium approximation in all-dielectric deeply subwavelength thickness ($d \sim\lambda/160-\lambda/30$) multilayers, as recently predicted theoretically [H.H.…

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