Results 121 to 130 of about 4,369 (170)

Fiber-optic Fabry-Pérot interferometric accelerometer with composite cavity and temperature calibration for high-temperature and high-pressure applications. [PDF]

Microsyst Nanoeng
Qin F, Tan J, Guo J, Shao Z, Wang N, Zhang J, Zhu Y.   +6 more
europepmc   +1 more source

Recent Progress in Gain Materials for Microlasers and Modern Digital Approaches for Biophotonics: From Dyes to Semiconductors. [PDF]

Micromachines (Basel)
Calles-Arriaga CA, Selvas-Aguilar R, Castillo-Guzmán AA, Pech-Rodríguez WJ, Rocha-Rangel E, Maldonado-Sada MT, Rodríguez-García JA, Castillo-Robles JA, Armendáriz-Mireles EN.   +8 more
europepmc   +1 more source

THz Ultrastrong Coupling in an Engineered Fabry–Perot Cavity [PDF]

ACS Photonics, 2021
We report a monolithic THz planar Fabry-Perot cavity fabricated with wafer bonding and provided with metallic mirrors with subwavelength apertures. We demonstrate its coupling to the cyclotron resonance of a high-mobility, two-dimensional electron gas. Q factors up to 89 are observed for the first mode at similar or equal to 300 GHz, with cooperativity
Mattias Beck, Elena Mavrona, Felice Appugliese   +2 more
exaly   +3 more sources

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Photon/spin echo in a Fabry–Perot cavity

Optics Letters, 2022
The pulse area theorem is a well-known versatile analytical tool for capturing the general nonlinear nature of light propagation in a two-level medium. Here we derive the pulse area theorem for the photon/spin echo signal generated in a one-side cavity.
S. A. Moiseev, R. V. Urmancheev
openaire   +2 more sources

Fabry–Perot cavities made easy

2023
The theoretical investigations on the dynamics and the instabilities in nonlinear optical systems have considered almost exclusively ring cavities, because the field propagation is unidirectional, whereas in Fabry–Perot cavities there are two field envelopes propagating in opposite directions, which constitutes a much more complex context.
L. A. Lugiato, F. Prati
openaire   +2 more sources

Performance of a dual Fabry–Perot cavity refractometer

Optics Letters, 2015
We have built and characterized a refractometer that utilizes two Fabry-Perot cavities formed on a dimensionally stable spacer. In the typical mode of operation, one cavity is held at vacuum, and the other cavity is filled with nitrogen gas. The differential change in length between the cavities is measured as the difference in frequency between two ...
Patrick F, Egan, Jack A, Stone, Jay H, Hendricks, Jacob E, Ricker, Gregory E, Scace, Gregory F, Strouse   +5 more
openaire   +2 more sources

Temperature-compensated cryogenic Fabry–Perot cavity

Applied Optics, 1997
We show that temperature compensation based on differential thermal expansion between sapphire and fused silica can be used to create a Fabry-Perot cavity with an exceptionally low coefficient of thermal expansion at low temperatures. We describe the design of such a cavity that utilizes shaped fused silica mirrors and a sapphire spacer.
E K, Wong, M, Notcutt, C T, Taylor, A G, Mann, D G, Blair   +4 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

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, Konstantinos Konstantinidis, Peter Gardner   +2 more
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Prototype Michelson interferometer with Fabry–Perot cavities

Applied Optics, 1991
We describe a rigid, internally modulated Michelson interferometer with Fabry-Perot cavities in the interferometer arms. The high contrast (0.986) and the small cavity losses (2.7%) permit efficient use of the light power available. The measured shot-noise-limited displacement sensitivity for 35mW of light power is 2.5 x 10(-17) m radicalHz, in good ...
D, Shoemaker, P, Fritschel, J, Giaime, N, Christensen, R, Weiss   +4 more
openaire   +2 more sources