Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Yoann Petitjean"'
Publikováno v:
2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves.
Achieving absolute power measurement is not so easy in the THz range. In this paper, we describe a simple method to perform power measurement no more expressed in a.u. but in Watt. For a 3.8 THz single-plasmon Quantum Cascade Laser, 28.8 mW peak powe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fad5ce07a2352bb7994c8ee617507a0
https://doi.org/10.1109/irmmw-thz.2012.6380154
https://doi.org/10.1109/irmmw-thz.2012.6380154
Publikováno v:
35th International Conference on Infrared, Millimeter, and Terahertz Waves.
This paper is a presentation of the on going research at OLIMPES laboratory in the field of active imaging using THz Quantum Cascade Lasers applied to composite materials diagnostic. We have performed transmission measurements on various types of mat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47a8ff2a76a405cf46c135d9105ec51e
https://doi.org/10.1109/icimw.2010.5612792
https://doi.org/10.1109/icimw.2010.5612792
This paper presents a CW raster-scanning THz imaging setup, used to perform Non-Destructive Testing of KevlarTMand carbon fibre samples. The setup uses a 2.5 THz Quantum Cascade Laser as a source. Delamination defect in a Kevlar sample was detected s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3ccb8c9b8d4d0df2a7c62051b11cea8
https://oatao.univ-toulouse.fr/11431/
https://oatao.univ-toulouse.fr/11431/
Publikováno v:
Proceedings of SPIE-The International Society for Optical Engineering
SPIE NanoScience + Engineering 2010
SPIE NanoScience + Engineering 2010, Aug 2010, San Diego, United States. pp.1-9, ⟨10.1117/12.860335⟩
SPIE NanoScience + Engineering 2010
SPIE NanoScience + Engineering 2010, Aug 2010, San Diego, United States. pp.1-9, ⟨10.1117/12.860335⟩
International audience; The authors present a home made cryogenic electro-optical probe station allowing the direct modulation of quantum cascade lasers up to 40GHz. Based on a QMC cryostat, it should make the QCL bandwidth measure possible and then
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3a50a2c0dc65274fe0f1c04ebc38dc7
https://hal.archives-ouvertes.fr/hal-02194410/file/Petitjean_24143.pdf
https://hal.archives-ouvertes.fr/hal-02194410/file/Petitjean_24143.pdf
Publikováno v:
2009 34th International Conference on Infrared, Millimeter, and Terahertz Waves.
We present a new modeling of the direct modulation response of a Quantum Cascade Laser (QCL), using the complete set of rate equations describing its behavior. We show in the first part that the bandwidth could not be as high as it has been proposed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::326015a79042a5c47cbf6e43ca21251a
https://doi.org/10.1109/icimw.2009.5324668
https://doi.org/10.1109/icimw.2009.5324668
Publikováno v:
2007 Joint 32nd International Conference on Infrared and Millimeter Waves and the 15th International Conference on Terahertz Electronics.
Based on simplified rate equations, both static and dynamic behaviour have been studied in order to characterize 2.9THz QCLs that will be used in detection or transmission systems. Comparison of expected static behaviour and experimental one shows go
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69d01cc87aff7239c43efce4b3b97f68
https://doi.org/10.1109/icimw.2007.4516589
https://doi.org/10.1109/icimw.2007.4516589