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pro vyhledávání: '"D. Tregoat"'
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Photobleaching with 633 nm light
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=57a035e5b1ae::fd0dba7b0c62378dd58998325f8e3e42
https://www.bib.irb.hr/710609
https://www.bib.irb.hr/710609
Autor:
S. Taccheo, Gebavi, Hrvoje, A. Monteville, O. Le Goffic, D. Landais, D. Mechin, D. Tregoat, B. Cadier, T. Robin, D. Milanese, T. Durrant
We report on an extensive investigation of photodarkening in Yb-doped silica fibers. To compare the photodarkening induced losses a set of similar fibers, covering a large Yb concentration range, was made. The results show that, once a careful choice
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=57a035e5b1ae::ab0395dcff7b6628be4450e01fcbc4cb
https://www.bib.irb.hr/570219
https://www.bib.irb.hr/570219
Photodarkening measurements in Yb - doped silica fibers in correlation with cooperative luminescence
Autor:
Gebavi, Hrvoje, S. Taccheo, D. Milanese, A. Monteville, O. Le Goffic, D. Landais, D. Mechin, D. Tregoat, B. Cadier, and T. Robin
In this study, detailed investigation of photodarkening in Yb - doped aluminosilicate fibers is reported. The cooperative luminescence loss influenced by photodarkening is measured simultaneously with 633 nm probe loss. The quadratic dependence of ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=57a035e5b1ae::3e85eee5c097a4ff15615e2c00bf8d06
https://www.bib.irb.hr/595547
https://www.bib.irb.hr/595547
Autor:
C. Renault, L. Quetel, B. Pucel, D. Tregoat, L. Marrec, T. Bourgerette, N. Ferchaud, E. Datin
Publikováno v:
Europe Oceans 2005.
First results are presented on a distributed multi-sensor system based on optical fibre technology with applications foreseen in sea water monitoring. Preliminary modelling and experimental data demonstrate the ability to give continuously updated 3D
Autor:
Francis Poingt, L. Le Gouezigou, B. Fernier, A. Pinquier, D. Tregoat, V. Colson, J. Coquard, A. Lestra
Publikováno v:
Conference Proceedings. 1998 International Conference on Indium Phosphide and Related Materials (Cat. No.98CH36129).
This paper reports the first results on Fabry-Perot 1.3 /spl mu/m lasers with sub-micron tapered active layers defined using a UV-250 patterning technology in combination with conventional RIE processing of InP. Its implementation to the full 2 inch
Autor:
W. Rehm, A. Goth, B. Fernier, W. Jorg, J.M. Rainsant, Ph. Pagnod, D. Tregoat, J.-L. Lafragette, K. Adam, D. Keller, A. Lestra, J. Scherb, S. Rabaron, Emmanuel Grard, Th. Barrou, C. Artigue, D. Toullier
Publikováno v:
24th European Conference on Optical Communication. ECOC '98 (IEEE Cat. No.98TH8398).
We present the characteristics of an uncooled plastic module for outdoor operation (+3 dBm at 85/spl deg/C). A transmission experiment is reported at 622 Mbit/s and up to 85/spl deg/C temperature. We describe the module design, then we discuss the pe
Autor:
J.-L. Lafragette, B. Fernier, J. Scherb, D. Tregoat, Emmanuel Grard, A. Goth, S. Rabaron, Claude Artigue, W. Jorg, A. Lestra, D. Toullier, G. Seibold
Publikováno v:
OFC '98. Optical Fiber Communication Conference and Exhibit. Technical Digest. Conference Edition. 1998 OSA Technical Digest Series Vol.2 (IEEE Cat. No.98CH36177).
Summary form only given. This paper reports 1.3-/spl mu/m laser passively aligned with a cleaved single-mode fiber and encapsulated with silicone rubber on a Si substrate. Under 70-mA DC operation at 85/spl deg/C, a fiber power >2 mW is obtained for
Autor:
P. Berthier, S. Hubert, N. Tscherptner, L. Le Gouezigou, V. Colson, F. Barthe, D. Tregoat, J.L. Gentner, M. Bordes, D. Leclerc, B. Fernier, E.V.K. Rao, A. Lestra
Publikováno v:
Conference Proceedings. 2000 International Conference on Indium Phosphide and Related Materials (Cat. No.00CH37107).
We present recent developments on the fabrication process of Buried Ridge Stripe (BRS) Laser Diodes (LDs) integrated with a butt-coupled passive Spot Size Converter (SSC). Hydrogenation of the buried passive section has been successfully implemented
Autor:
W. Rehm, S. Kerboeuf, P.J. Laroulandie, D. Tregoat, C. Artigue, D. Keller, B. Fernier, J.L. Nicque, A. Goth, C. Duchemin, P. Berthier, P. Aribaud, J. Scherb, J. Lauckner, A. Tournereau, K. Adam, S. Rabaron, Emmanuel Grard, W. Jorg, J.M. Rainsant
Publikováno v:
2000 Proceedings. 50th Electronic Components and Technology Conference (Cat. No.00CH37070).
A passive assembly process for laser modules has been developed that is based on silicon submounts with 3-dimensional structures and corresponding laser chips. It makes use of surface tension effects to pull the chips into their final position define