Zobrazeno 1 - 10
of 55
pro vyhledávání: '"W. Renard"'
Autor:
Laurent Lombard, Matthieu Valla, Christophe Planchat, Pierre Bourdon, J.-L. Le Gouët, Claudine Besson, Guillaume Canat, Béatrice Augère, Anne Durécu, Didier Goular, Agnès Dolfi-Bouteyre, W. Renard
Publikováno v:
SPIE Proceedings.
New Lidar applications related to aircraft safety in the area of an airport include mapping wind velocity and monitoring turbulences within a radius longer than 8km in a short acquisition time (360° map in 1 minute). During landing and takeoff, a mi
Autor:
W. Renard, Anne Durécu, Pascal Bourdon, Thierry Robin, J.-L. Le Gouët, Benoit Cadier, Guillaume Canat, Laurent Lombard
Publikováno v:
CLEO: 2015.
We report on single-frequency all-fiber amplifiers based on Er-Yb doped P 2 O 5 -Al 2 O 3 -SiO 2 fibers. Peak power up to 1120 W at 1545 nm for 108 ns pulse duration has been obtained with 18 % slope-efficiency. Continuous-wave operation generated up
Autor:
Béatrice Augère, W. Renard, Didier Goular, Agnès Dolfi-Bouteyre, Didier Fleury, Laurent Lombard, Guillaume Canat, Claudine Besson, M. Valla, Nicolas Cézard, C. Planchat
Publikováno v:
Electro-Optical Remote Sensing, Photonic Technologies, and Applications VIII; and Military Applications in Hyperspectral Imaging and High Spatial Resolution Sensing II.
Recent progress in fiber technology has enabled new laser designs along with all fiber lidar architectures. Their asset is to avoid free-space optics, sparing lengthy alignment procedures and yielding compact setups that are well adapted for field op
Publikováno v:
LACSEA
LACSEA, Jul 2014, SEATTLE, United States
LACSEA, Jul 2014, SEATTLE, United States
International audience; We report on our new test bench dedicated to Supercontinuum Absorption Spectroscopy in the mid-infrared (3.3 µm). It delivers fast (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de3e225c480e7e246e4e91b51c656d45
https://hal-onera.archives-ouvertes.fr/hal-01069622/document
https://hal-onera.archives-ouvertes.fr/hal-01069622/document
Autor:
Johan Nilsson, W. Renard, D. Boivin, Laurent Lombard, Guillaume Canat, J.-L. Le Gouët, S. Duzelier, Jayanta K. Sahu
Publikováno v:
CLEO 2014
CLEO 2014, Jun 2014, SAN JOSE, United States
CLEO 2014, Jun 2014, SAN JOSE, United States
International audience; We report on Erbium doped large-mode-area fibers based on the phosphoaluminosilicates. The radiation induced attenuation are reduced compared to standard highly doped fibers. We measured 22% power conversion efficiency for cor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::082d2221d4693ca8021e47d77b84ff96
https://hal-onera.archives-ouvertes.fr/hal-01070310/document
https://hal-onera.archives-ouvertes.fr/hal-01070310/document
Autor:
Claudine Besson, Guillaume Canat, Matthieu Valla, Christophe Planchat, Didier Goular, Béatrice Augère, Agnès Dolfi-Bouteyre, W. Renard
Publikováno v:
CLEO: 2014.
We report the development of a high power single-frequency all-fiber laser for long-range wind speed measurement. The laser source has been integrated in a Lidar architecture and we report wind-speed measurement beyond 10 km.
Akademický článek
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Autor:
Laurent Lombard, Nicolas Cézard, Claudine Besson, Alexandre Dobroc, Didier Goular, Béatrice Augère, Agnès Dolfi-Bouteyre, M. Duhant, W. Renard, Didier Fleury, Guillaume Canat, Matthieu Valla, Christophe Planchat
Publikováno v:
Advanced Solid-State Lasers Congress.
Fiber technology has led to new lidar architectures. We present some of the recent developments on pulsed coherent beam combining lidar, airborne true air speed sensors and gas sensing spectroscopy using supercontinuum laser.
Autor:
J.-L. Le Gouët, Christophe Planchat, Claudine Besson, Agnès Dolfi-Bouteyre, W. Renard, Didier Goular, Pierre Bourdon, Guillaume Canat, Laurent Lombard
Publikováno v:
Advanced Solid-State Lasers Congress.
We report on various single-frequency pulsed-MOPFA for lidar applications. We obtained 680W 1μs pulses using a multifilament-fiber at 1545nm and 2kW 150ns pulses using strain distributions at 1580nm. Coherent combining of pulsed-MOPFA is also report
Publikováno v:
SPIE Proceedings.
We report on an all-fiber single-mode master oscillator power amplifier system delivering high peak power picosecond solitons at 1960 nm. The Bragg stabilized oscillator delivers 4.5 ps transform-limited pulses at 11.2 MHz. The pulse energy is equal