G Stephan
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Explore the profile of G Stephan including associated specialties, affiliations and a list of published articles.
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Articles
102
Citations
260
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Recent Articles
1.
Chartier T, Meziane B, Sanchez F, Stephan G, Francois P
Appl Opt
. 2010 Nov;
35(12):2016-22.
PMID: 21085327
A detailed experimental and theoretical investigation of optical feedback effects in Nd-doped fiber lasers is presented. Of particular interest is an output-intensity reduction attributed to the broadband nature of the...
2.
Sanchez F, Meziane B, Chartier T, Stephan G, Francois P
Appl Opt
. 2010 Nov;
34(33):7674-9.
PMID: 21060646
A simple theoretical modeling of the static properties of a fiber laser that includes distributed losses and inhomogeneous pumping is presented. Closed-form expressions for both the output and the backward...
3.
Ait-Ameur K, Stephan G
Appl Opt
. 2010 Nov;
34(33):7662-9.
PMID: 21060644
In a laser TEM(00)-mode selection by the use of a hard intracavity aperture gives rise to losses that are experimentally observable and to an increase in the fundamental-mode volume that...
4.
Ait-Ameur K, Stephan G, Sjerve E, May A
Appl Opt
. 2010 Oct;
33(34):7895-900.
PMID: 20963003
We show that aperiodic coupled cavities may be designed to have a frequency-dependent complex reflectance that is anisotropic in phase (birefringent) and in amplitude (dichroic). The complex mean or average...
5.
Ait-Ameur K, Stephan G, Paddon P, May A
Appl Opt
. 2010 Sep;
33(3):334-43.
PMID: 20862022
An intracavity polarimeter is described that is capable of measuring both weak birefringence and dichroism simultaneously. It uses, for the first time to our knowledge, polarization flips in a quasi-isotropic...
6.
Ait-Ameur K, Ladjouze H, Stephan G
Appl Opt
. 2010 Aug;
31(3):397.
PMID: 20717417
Diffraction patterns and divergence of the fundamental mode of a laser are studied in the case of a plano-concave cavity with two-apertured mirrors. The effects of both apertures are shown...
7.
Wang L, Stephan G
Appl Opt
. 2010 Aug;
30(15):1899-910.
PMID: 20700157
Modes of a diaphragmed laser are expressed as linear combinations of Laguerre-Gauss functions and computed from the resonance condition. Hard and soft apertures are considered. Explicit results are given in...
8.
Kellou A, Stephan G
Appl Opt
. 2010 May;
26(1):76-90.
PMID: 20454078
A circular aperture is generally used inside a metrologic gas laser to suppress transverse modes. The resonant field inside the laser or the near field observable at the output display...
9.
Floch A, Naour R, Stephan G, Brun P
Appl Opt
. 2010 Feb;
15(11):2673-7.
PMID: 20165472
Frequency stabilization possibilities using mobile resonances are investigated. A stability measurement is given for two high power magnetic Lamb dip stabilized lasers. These mobile resonances lead to unmodulated frequency lasers...
10.
Colin S, Contesse E, Boudec P, Stephan G, Sanchez F
Opt Lett
. 2009 Nov;
21(24):1987-9.
PMID: 19881868
A new configuration for erbium-doped fiber lasers in which two different connected fibers are used is studied: one is heavily and the other weakly doped. It is demonstrated that the...