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作者:E. Lacot , G. Blondelle , M. Hainselin
来源:[J].Pratiques psychologiques(IF 0.148), 2017Elsevier
摘要:Abstract(#br)Although critical mind is a prerequisite to many university courses, it is hard to have students interested in experimental methods courses. We present two ways to avoid this phenomenon. The first method consists in presenting a fake scientific concept, the Bill Shan...
作者:E. Lacot , O. Hugon
来源:[J].Optics Communications(IF 1.438), 2005, Vol.254 (1-3), pp.119-127Elsevier
摘要:Abstract(#br)The dynamical response of a laser simultaneously subject to frequency-shifted optical feedback and pump modulation is investigated both theoretically and experimentally. We show that the amount of light reinjected in the intra-cavity laser can be determined by the pu...
作者:E. Lacot , O. Jacquin
来源:[J].Ultramicroscopy(IF 2.47), 2007, Vol.108 (6), pp.523-528Elsevier
摘要:Abstract(#br)In this work, we present a new development of the laser optical feedback imaging technique for imaging biological structures with a high resolution. The first results obtained on human red blood cells and mice cerebral and muscular tissues slices are shown. The perfo...
作者:E. Lacot , W. Glastre ...
来源:[J].Optics Communications(IF 1.438), 2011, Vol.284 (20), pp.4965-4970Elsevier
摘要:Abstract(#br)The use of frequency-shifted feedback (FSF) lasers in optical metrology is based on a unique coherence property: the appearance of beats in the noise spectrum at the output of a two-beam interferometer, whose frequencies vary linearly with the path delay of the inter...
作者:E. Lacot , O. Jacquin
来源:[J].Ultramicroscopy(IF 2.47), 2011, Vol.111 (11), pp.1557-1563Elsevier
摘要:Abstract(#br)The application of the non-conventional imaging technique LOFI (laser optical feedback imaging) to coherent microscopy is presented. This simple and efficient technique using frequency-shifted optical feedback needs the sample to be scanned in order to obtain an imag...
作者:E. LACOT , F. STOECKEL , M. CHENEVIER
来源:[J].Le Journal de Physique IV, 1991, Vol.1 (C7), pp.C7-357-C7-362EDP Sciences
摘要:The dynamics of an erbium doped fiber laser are analysed under continuous and modulated pumping. It is found that the bondaries between different modes depend only on the pump parameter and the lifetime of the photon in the cavity. Spectral and temporal behaviors are analysed.
作者:E. Lacot , O. Hugon , F. Stoeckel
来源:[J].Journal de Physique IV (Proceedings), 2004, Vol.119, pp.215-216EDP Sciences
摘要:En optique, l'interférométrie est un outil extrêmement puissant permettant des mesures de distance, de vitesse, de vibration, $\ldots$ avec une excellente précision. D'un autre coté, les lasers sont extrêmement sensibles à la rétroaction optique. Nous avons combiné ces ...
作者:E. Lacot , R. Day , F. Stoeckel
来源:[J].2001, Vol.64 (4), pp.043815临时来源数据库
摘要:The dynamical response of a laser to frequency-shifted optical feedback is investigated both theoretically and experimentally. The ultrahigh sensitivity of a class-B laser (i.e., a laser with a cavity damping rate γc higher than the population damping rate γ1) to external li...

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