Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Ouali Acef"'
Autor:
Jan Hrabina, Massimo Zucco, Charles Philippe, Tuan Minh Pham, Miroslava Holá, Ouali Acef, Josef Lazar, Ondřej Číp
Publikováno v:
Sensors, Vol 17, Iss 1, p 102 (2017)
This article deals with the evaluation of the chemical purity of iodine-filled absorption cells and the optical frequency references used for the frequency locking of laser standards. We summarize the recent trends and progress in absorption cell tec
Externí odkaz:
https://doaj.org/article/2407474b50084e1ca1c904bd70d96b0a
Autor:
Ouali Acef, Alexis Mehlman, David Holleville, Michel Lours, Rodolphe Le Targat, Peter Wolf, Henri Lehec, Sébastien Bize, Aurelien Boutin, Karine LePage, Ludovic Fulop, Laure Oudda, Thomas Lévèque
Publikováno v:
International Conference on Space Optics — ICSO 2020.
We report on an ongoing development of a compact and transportable iodine frequency stabilized laser setup, based on compact and fibered Telecom components with a high technological readiness level (TRL). This laser system is being planned as a compa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1b03ffeb4e20d0bbdd450aea2802af4
https://doi.org/10.1117/12.2599617
https://doi.org/10.1117/12.2599617
Autor:
R. Dudzak, Manuel Cotelo, Francisco Suzuki-Vidal, Jaroslav Nejdl, Jean Larour, U. Chaulagain, Ouali Acef, M. Kozlová, Pedro Velarde, Jan Dostál, P. Barroso, Chantal Stehlé, J.M. Gil, Rafael L. Rodríguez, Thomas Clayson, Raj Laxmi Singh, M. Krus
Publikováno v:
High Energy Density Physics
High Energy Density Physics, Elsevier, 2017, 23, pp.20-30. ⟨10.1016/j.hedp.2017.03.001⟩
High Energy Density Physics, 2017, 23, pp.20-30. ⟨10.1016/j.hedp.2017.03.001⟩
High Energy Density Physics, Elsevier, 2017, 23, pp.20-30. ⟨10.1016/j.hedp.2017.03.001⟩
High Energy Density Physics, 2017, 23, pp.20-30. ⟨10.1016/j.hedp.2017.03.001⟩
International audience; Radiative shocks (RS) are complex phenomena which are ubiquitous in astrophysical environments. The study of such hypersonic shocks in the laboratory, under controlled conditions, is of primary interest to understand the physi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e84b1403f74702d9a697d2763a337388
https://doi.org/10.1016/j.hedp.2017.03.001
https://doi.org/10.1016/j.hedp.2017.03.001
Autor:
P. Prat, Eden de Vismes, Linda Mondin, Alain Brillet, Olivier Jeannin, Oscar Turazza, Ouali Acef, Hubert Halloin, Eric Plagnol, Jacques Berthon, B. Argence
Publikováno v:
International Conference on Space Optics — ICSO 2008.
The expected performance of LISA relies on two main technical challenges: the ability for the spacecrafts to precisely follow the free-flying masses and the outstanding precision of the phase shift measurement. This latter constraint requires frequen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d5bdba2b3501f234e46c013815566cb
https://doi.org/10.1117/12.2308256
https://doi.org/10.1117/12.2308256
Autor:
J. Gillot, Charles Philippe, David Holleville, R. Le Targat, R. Le Goff, Ouali Acef, Peter Wolf, M. Lours, Thomas Leveque
Publikováno v:
2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS).
We lead the development of an optical frequency standard (OFS) operating in the C-band of Telecom domain, with demonstrated residual frequency instability of 4.8 × 10−14 τ−1/2 and a minimum value of 6 × 10−15 from 50 s to 100 s. The frequenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b178d7da0173c6f53f04a6b0bef9d91
https://doi.org/10.1109/fcs.2017.8088929
https://doi.org/10.1109/fcs.2017.8088929
Autor:
Frederic Du-Burck, Miroslava Holá, Jan Hrabina, Josef Lazar, Ondřej Číp, Martin Šarbort, Massimo Zucco, Ouali Acef
Publikováno v:
SPIE Proceedings.
The absorption cells represent an unique tool for the laser frequency stabilization. They serve as irreplaceable optical frequency references in realization of high-stable laser standards and laser sources for different brands of optical measurements
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b07bfbb730df87d89064ee84509290f3
https://doi.org/10.1117/12.2264432
https://doi.org/10.1117/12.2264432
Autor:
Miroslava Holá, Massimo Zucco, Ondřej Číp, Ouali Acef, Jan Hrabina, Josef Lazar, F. du Burck, Martin Šarbort
Publikováno v:
2016 Conference on Precision Electromagnetic Measurements (CPEM 2016).
This paper is oriented towards comparison of measurement methods for iodine absorption cells quality evaluation. Traditionally used method of laser induced fluorescence with evaluation of Stern-Volmer coefficients and method of measurement of absolut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd317e45fb16402dcb3dfc838fdd545c
https://doi.org/10.1109/cpem.2016.7540724
https://doi.org/10.1109/cpem.2016.7540724
Autor:
Charles Philippe, Tuan Minh-Pham, Peter Wolf, M. Lours, Rodolphe Le Targat, Jan Hrabina, Ouali Acef, Frédéric Du Burck, David Holleville
Publikováno v:
European Frequency and Time Forum 2016
European Frequency and Time Forum 2016, Apr 2016, York, UK, United Kingdom
European Frequency and Time Forum 2016, Apr 2016, York, UK, United Kingdom
International audience; We report on telecom laser frequency stabilization to narrow iodine hyperfine line in the green range of the optical domain, after a frequency tripling process using two nonlinear PPLN crystals. We have generated up to 300 mW
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d4a893d4603ac2fbc37f83b38d8b465
https://hal.science/hal-03734970
https://hal.science/hal-03734970
Autor:
Frederic Du-Burck, Miroslava Holá, Ouali Acef, Jan Hrabina, Josef Lazar, Ondrej Cip, Martin Šarbort, Massimo Zucco
Publikováno v:
2016 European Frequency and Time Forum (EFTF).
This work is oriented to comparison of methods for iodine absorption cells quality evaluation. Optical frequency references based on molecular iodine represent one of the most used references for stabilizion of laser standards working at visible spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ab9e863c1c3b67745ae392c869dadf2
https://doi.org/10.1109/eftf.2016.7477845
https://doi.org/10.1109/eftf.2016.7477845