Výsledky vyhledávání - "Belmonte, Aniceto"

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Direction-sensitive transverse velocity measurement by phase-modulated structured light beams

Autor: Rosales-Guzmán, Carmelo, Hermosa, Nathaniel, Belmonte, Aniceto, Torres, Juan P.

The use of structured light beams to detect the velocity of targets moving perpendicularly to the beam's propagation axis opens new avenues for remote sensing of moving objects. However, determining the direction of motion is still a challenge since

Externí odkaz: http://arxiv.org/abs/1404.5483

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Measuring the translational and rotational velocity of particles in helical motion using structured light

Autor: Rosales-Guzmán, Carmelo, Hermosa, Nathaniel, Belmonte, Aniceto, Torres, Juan P.

We measure the rotational and translational velocity components of particles moving in helical motion using the frequency shift they induced to the structured light beam illuminating them. Under Laguerre-Gaussian mode illumination, a particle with a

Externí odkaz: http://arxiv.org/abs/1403.7059

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Laboratory Validation of Sequential Optimization of Adaptive Receivers in Downlink Laser Communications

Autor: Carrizo, Carlos, Belmonte, Aniceto, Mata Calvo, Ramon, Surof, Janis

Publikováno v: Workshop "Communications and Observations through Atmospheric Turbulence: characterization and mitigation" (COAT-2019)
Workshop "Communications and Observations through Atmospheric Turbulence: characterization and mitigation" (COAT-2019), ONERA, Dec 2019, Châtillon, France. ⟨10.34693/COAT2019-S4-002⟩

International audience; Adaptive atmospheric compensation in laser communication systems can be iteratively addressed minimizing the loop bandwidth requirements. Here we evaluate in the laboratory a speckle-based iterative technique within the framew

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c9a4d61d98c31b2da07597701758391

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Optimal modal basis approaches fundamental limits to free-space optical system capacity imposed by atmospheric turbulence

Autor: Belmonte, Aniceto

Publikováno v: COAT-2019-workshop (Communications and Observations through Atmospheric Turbulence: characterization and mitigation)
COAT-2019-workshop (Communications and Observations through Atmospheric Turbulence: characterization and mitigation), ONERA, Dec 2019, Châtillon, France. ⟨10.34693/COAT2019-S4-003⟩

International audience; We have considered the problem of finding optimal transmission beams, or eigenmodes, for propagation through the random atmosphere with minimum distortion. We have found, making a realistic assumption that a transmitter knows

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72f7065d8714f7849d3c9ad58d43ba5e

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Intensity-based adaptive optics with sequential optimization for laser communications

Autor: Carrizo, Carlos Eduardo, Mata Calvo, Ramon, Belmonte, Aniceto

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname

Wavefront distortions of optical waves propagating through the turbulent atmosphere are responsible for phase and amplitude fluctuations, causing random fading in the signal coupled into single-mode optical fibers. Wavefront aberrations can be confro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::7b9d278b5c09390f8242ee8ac49be81d
https://elib.dlr.de/120496/

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