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Fabry-Perot Cavity Antennas

2017
Fabry-Perot Cavity Antennas (FPAs) are a type of highly directive planar antennas that offer a promising alternative to standard planar microstrip patch arrays or waveguide slot array antennas. They offer significant advantages in terms of low fabrication complexity, particularly at mm wave frequencies, high radiation efficiency, and good radiation ...
Alexandros Feresidis   +2 more
openaire   +1 more source

MEMS tunable silicon Fabry-Perot cavity

SPIE Proceedings, 2007
In this paper we present an innovative tunable Fabry-Perot cavity micromachined in silicon. A short summary of the theoretical background of these filters is presented, followed by technical requirements for the design of the dielectric mirror composing the Fabry-Perot cavity and the cavity itself.
Jonathan Masson   +2 more
openaire   +1 more source

Fabry–Perot Cavity Control for Tunable Raman Scattering

Small, 2023
AbstractThe Fabry–Perot (FP) resonator is an intuitive and versatile optical structure owing to its uniqueness in light‐matter interactions, yielding resonance with a wide range of wavelengths as it couples with photonic materials encapsulated in a dielectric cavity.
Taehyun Kim   +8 more
openaire   +2 more sources

Fabry-Perot with an absorbing etalon cavity

Applied Optics, 1985
The properties of the Fabry-Perot interferometer with an absorbing medium in the cavity have been investigated. When very large reflective finesse etalons are used, the interferometer behaves as a long-path absorption cell with a gain, defined as the ratio of the measured absorption over the sample absorption for the same path as the etalon spacer ...
openaire   +2 more sources

Double-cavity electrooptic Fabry-Perot tunable filter

Applied Optics, 1982
The experimental development of an infrared multiple-cavity electrooptically tuned Fabry-Perot filter using LiNbO(3) is described. This filter, designed for operation in the 3-5-microm spectral band, was demonstrated by angle scanning using a He-Ne laser at 3.39 microm.
openaire   +2 more sources

Micromachined Fabry-Perot cavity pressure transducer

IEEE Photonics Technology Letters, 1995
A surface micromachined Fabry-Perot cavity used as a pressure sensor has been fabricated using standard IC technology. Dielectric film stacks consisting of layers of silicon dioxide and silicon nitride were used as mirrors. Polysilicon was used as a sacrificial layer that was then removed to form an air gap cavity.
Y. Kim, D.P. Neikirk
openaire   +1 more source

Cavity Theory of Fabry Perot Resonator

Japanese Journal of Applied Physics, 1964
A theory of Fabry Perot resonator is developed on the basis of the cavity picture, in contrast to interferometer picture of the ordinary theory. The radiation leakage from the open surface is treated as a boundary value problem. This theory is applied to the circular Fabry Perot resonator and numerically calculated for the case of the laser ...
Hisanao Ogura, Yasuo Yoshida
openaire   +1 more source

Vibration transducer using an ultrashort Fabry–Perot cavity

Applied Optics, 1995
We report here on the development of an optical transducer for mechanical vibration, making use of an ultrashort Fabry-Perot cavity. The noise level measured by a cavity 150 µm long is ~1.3 × 10(-16) m/√Hz at ~1 kHz, which was obtained without a frequency-stabilization system. It was, however, large compared with the shot noise.
N, Mio, K, Tsubono
openaire   +2 more sources

Fabry-Perot Cavity for Dielectric Measurements

Review of Scientific Instruments, 1969
A technique is described for measuring complex permittivities of low loss dielectric materials with a semiconfocal Fabry-Perot resonator. Equations are derived for calculation of dielectric constant and loss tangent. Results are presented for slip-cast fused silica at 94 GHz.
K. H. Breeden, J. B. Langley
openaire   +1 more source

High finesse Fabry–Perot cavities in picosecond regime

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2009
Abstract An R&D activity on high finesse passive Fabry–Perot cavities locked to a mode-locked oscillator is described. A new nonplanar four-mirror cavity geometry is proposed to provide stable laser cavity locking operations. Future developments of this R&D are also given.
Brisson, V.   +14 more
openaire   +2 more sources

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