Publications and communications of Fabian Languy

Paul, J., Orban De Xivry, G., Absil, O., Adam, C., Albart, P., Bastin, C., Boulanger, A., De Ville, J., Gabriel, E., Méant, L., Moreau, V., Orban, S., Remacle, P., Languy, F., Georges, M., Vandenrijt, J.-F., Millou, G., Nigot, C., & Caramia, V. (In press). Enhancing the capability of future medium-size telescopes: First light of the SALTO demonstrator. Bulletin de la Société Royale des Sciences de Liège.

Orban De Xivry, G., Paul, J., Absil, O., Adam, C., Albart, P., Bastin, C., Boulanger, A., de Ville, J., Gabriel, E., Meant, L., Moreau, V., Orban, S., Remacle, P., Languy, F., Georges, M., Vandenrijt, J.-F., Millou, G., Nigot, C., & Caramia, V. (2022). Status of the SALTO demonstrator: project overview and first on-sky operations. In Adaptive Optics Systems VIII. Bellingham, United States: SPIE. doi:10.1117/12.2627936

Vandenrijt, J.-F., Languy, F., & Georges, M. (2022). Laser Ultrasound Flexible System using Mid-Wave Infrared Generation Laser for Non-Contact Inspection of Composite Structures made of CFRP. In Z. L. Kowalewski, M. Kopec, D. Rudnik, ... J. Widłaszewski, 19th International Conference On Experimental Mechanics - Book of abstracts (pp. 250-251). Warszawa, Poland: Institute of Fundamental Technological Research of the Polish Academy of Sciences (IPPT PAN).

Clermont, L., Languy, F., & Georges, M. (July 2020). Afocal combinations and focus control for laser launch telescopes. Journal of Astronomical Telescopes, Instruments, and Systems, 6 (3), 034003. doi:10.1117/1.JATIS.6.3.034003

Georges, M., Thizy, C., Languy, F., Zhao, Y., & Vandenrijt, J.-F. (01 December 2019). Digital holographic interferometry and speckle interferometry applied on objects with heterogeneous reflecting properties. Applied Optics, 58 (34), 318-G325. doi:10.1364/AO.58.00G318

Clermont, L., Languy, F., & Georges, M. (2019). Design of a laser guide star for applications to adaptive optics. In Hahlweg & J. R. Mulley (Eds.), Proceedings Volume 11105, Novel Optical Systems, Methods, and Applications XXII (pp. 111051). Bellingham, United States: SPIE. doi:10.1117/12.2529662

Kirkove, M., Guérit, S., Jacques, L., Loffet, C., Languy, F., Vandenrijt, J.-F., & Georges, M. (20 September 2018). Determination of vibration amplitudes from binary phase patterns obtained by phase-shifting time-averaged speckle shearing interferometry. Applied Optics, 57 (27), 8065-8077. doi:10.1364/AO.57.008065

Kirkove, M., Guérit, S., Jacques, L., Vandenrijt, J.-F., Languy, F., Loffet, C., & Georges, M. (2018). Processing of binary fringe patterns obtained by phase-shifting time-averaged shearography on vibrating objects. In L. R. Jaroszewicz (Ed.), Proceedings of SPIE volume 10834, 7th International Conference on Speckle Metrology, Speckle 2018. doi:10.1117/12.2319593

Languy, F., Vandenrijt, J.-F., Saint-Georges, P., Paquay, S., De Vincenzo, P., & Georges, M. (07 September 2018). Mechanical deformations of space mirrors under thermal stress and their effect on wavefront errors: measurements by ESPI and comparison with multiphysics modeling. Proceedings of SPIE: The International Society for Optical Engineering, 10834. doi:10.1117/12.2319584

Languy, F., Vandenrijt, J.-F., Saint-Georges, P., Paquay, S., De Vincenzo, P., & Georges, M. (17 August 2018). Space mirror deformation: from thermo- mechanical measurements by speckle interferometry to optical comparison with multiphysics simulation. Applied Optics, 57 (24), 6982. doi:10.1364/AO.57.006982

Orban De Xivry, G., Absil, O., Lismont, M., Moreau, V., Languy, F., & Vanhoenacker-Janvier, D. (2018). Preliminary design of SALTO, the Belgian adaptive optics demonstrator. In L. Close, L. Schreiber, ... D. Schmidt, Adaptive Optics System VI. SPIE. doi:10.1117/12.2313578

Vandenrijt, J.-F., Thizy, C., Languy, F., & Georges, M. (09 July 2018). Digital Holographic Interferometry in the Long-Wave Infrared Range for Measuring Large Deformations of Space Components under Thermal-Vacuum Testing. Proceedings, 2018 (2), 534. doi:10.3390/ICEM18-05430

Vandenrijt, J.-F., Languy, F., Thizy, C., & Georges, M. (22 June 2018). Laser ultrasound flexible system for non-contact inspection of medium size and complex shaped composite structures made of carbon fiber reinforced polymer. Proceedings, 2018 (2), 455. doi:10.3390/ICEM18-05377

Vandenrijt, J.-F., Zhao, Y., Languy, F., Thizy, C., & Georges, M. (2018). Digital holographic interferometry application on objects with heterogeneous reflecting properties. Optics InfoBase Conference Papers, Part F100-DH 2018. doi:10.1364/DH.2018.DM5F.3

Languy, F., Vandenrijt, J.-F., Saint-Georges, P., & Georges, M. (26 June 2017). Deformation measurements by ESPI of the surface of a heated mirror and comparison with numerical model. Proceedings of SPIE: The International Society for Optical Engineering, 103291M. doi:10.1117/12.2270258

Vandenrijt, J.-F., Languy, F., Thizy, C., & Georges, M. (2017). Nondestructive inspection of aerospace composites by a fiber-coupled laser ultrasonics system. Proceedings of SPIE: The International Society for Optical Engineering, 104491K-104491. doi:10.1117/12.2270710

Blain, P., Vandenrijt, J.-F., Languy, F., Kirkove, M., Théroux, L.-D., Lewandowski, J., & Georges, M. (2017). Artificial defects in CFRP composite structure for Thermography and Shearography nondestructive inspection. In Proceedings of SPIE 10449, Fifth International Conference on Optical and Photonics Engineering. Bellingham, United States: SPIE. doi:10.1117/12.2271701

Vandenrijt, J.-F., Languy, F., Thizy, C., Rochet, J., Loffet, C., Simon, D., & Georges, M. (March 2017). Interférométrie de speckle à 10.6 µm et shearographie à 532 nm en temps réel temps moyenné et décalage de phase. Comparaison et application pour identification des modes de vibrations sur shaker industriel [Paper presentation]. Colloque Francophone CMOI-FLUVISU 2017, Le Mans, France.

Vandenrijt, J.-F., Languy, F., Walter, J., Brouillette, T., Perrard, A., & Georges, M. (March 2017). Ultrasons par laser pour l'inspection de matériaux composites. Comparaison entre génération à 532 nm et 10,6 µm. Effet de la géométrie du faisceau de génération [Paper presentation]. Colloque Francophone CMOI-FLUVISU 2017, Le Mans, France.

Michel, C., Blain, P., Clermont, L., Languy, F., Lenaerts, C., Fleury-Frenette, K., Décultot, M., Habraken, S., Vandormael, D., Cloots, R., Thalluri, G. K., Henrist, C., Colson, P., & Loicq, J. (2017). Waveguide solar concentrator design with spectrally separated light. Solar Energy, 157, 1005-1016. doi:10.1016/j.solener.2017.09.015

Vandenrijt, J.-F., Languy, F., Saint-Georges, P., & Georges, M. (2017). Measurements by ESPI of surface deformations of a heated mirror and comparison with multiphysics simulations. Proceedings of SPIE: The International Society for Optical Engineering, 10562. doi:10.1117/12.2296066

Georges, M., Vandenrijt, J.-F., Languy, F., & Thizy, C. (November 2016). Holographie numérique en infrarouge lointain - Applications aérospatiales [Paper presentation]. 4ème Rencontre Francophone d'Holographie Numérique Appliquée à la Métrologie des Fluides (Holophi4), Lille, France.

Georges, M., Thizy, C., Languy, F., & Vandenrijt, J.-F. (2016). An overview of interferometric metrology and NDT techniques and applications for the aerospace industry. In Interferometry XVIII (pp. 996007). Bellingham, United States: SPIE. doi:10.1117/12.2240676

Languy, F., Perrard, A., Vandenrijt, J.-F., & Georges, M. (July 2016). Laser Ultrasound for NDT: investigation of the generation beam shape [Poster presentation]. 5th International Symposium on Laser-Ultrasonics and Advanced Sensing, Linz, Austria.

Languy, F., Vandenrijt, J.-F., Thizy, C., Rochet, J., Loffet, C., Simon, D., & Georges, M. (01 June 2016). Vibration mode shapes visualization in industrial environment by real-time time-averaged phase-stepped electronic speckle pattern interferometry at 10.6  μm and shearography at 532 nm. Optical Engineering, 55 (12), 121704. doi:10.1117/1.OE.55.12.121704

Languy, F., Vandenrijt, J.-F., Saint-Georges, P., & Georges, M. (November 2015). Mesures de déformation par ESPI de la surface d’un miroir chauffé et comparaison avec simulations numériques [Paper presentation]. 14ème colloque international francophone sur les Méthodes et Techniques Optiques pour l'Industrie, Pleumer-Bodou, France.

Vandenrijt, J.-F., Kokkinos, D., Languy, F., Thizy, C., Simar, J. F., & Georges, M. (November 2015). Système entièrement fibré et robotisé pour la génération d'ultrasons par laser à 532 nm et la détection par mixage d'ondes à 1064 nm [Paper presentation]. 14ème colloque international francophone sur les Méthodes et Techniques Optiques pour l'Industrie, Pleumer-Bodou, France.

Grodent, C., Liébecq, S., Hellin, M.-L., Blain, P., Languy, F., Samain, V., Marcotte, S., Brevers, S., Domken, I., Tychon, I., dingjan, J., merlin, C., ninane, N., & jamotton, P. (October 2015). TROPOMI instrument (ESA Sentinel 5-P): environmental tests at CSL [Paper presentation]. 29th Aerospace Testing Seminar.

Blain, P., Michel, C., Clermont, L., Languy, F., Décultot, M., Habraken, S., Lenaerts, C., Fleury-Frenette, K., Vandormael, D., & Loicq, J. (15 May 2014). Spectral splitting planar solar concentrator : Design and Experimental testing Preliminary results. Proceedings of SPIE: The International Society for Optical Engineering, 9140. doi:10.1117/12.2051505

Loicq, J., Galante, N., Thibert, T., Hellin, M.-L., Languy, F., Habraken, S., & Lecat, J.-H. (2014). Investigation of spectral impacts on the performance of a concentration device using a Fresnel lens combined with a double junction cell. Proceedings of SPIE: The International Society for Optical Engineering. doi:10.1117/12.2051672

Michel, C., Loicq, J., Languy, F., & Habraken, S. (2014). Optical study of a solar concentrator for space applications based on a diffractive/refractive optical combination. Solar Energy Materials and Solar Cells, 120PA, 183-190. doi:10.1016/j.solmat.2013.08.042

Languy, F., & Habraken, S. (15 May 2013). Nonimaging achromatic shaped Fresnel lenses for ultrahigh solar concentration. Optics Letters, 38 (10), 1730-1732. doi:10.1364/OL.38.001730

Michel, C., Loicq, J., Mazzoli, A., Languy, F., & Habraken, S. (16 April 2013). Study of a solar concentrator for space based on a diffractive/refractive optical combination [Poster presentation]. 9th International Conference on Concentrator Photovoltaic Systems (CPV-9), Miyazaki, Japan.

Languy, F., Lenaerts, C., Loicq, J., Thibert, T., & Habraken, S. (February 2013). Performance of solar concentrator made of an achromatic Fresnel doublet measured with a continuous solar simulator and comparison with a singlet. Solar Energy Materials and Solar Cells, 190, 70-76. doi:10.1016/j.solmat.2012.10.008

Michel, C., Loicq, J., Languy, F., Mazzoli, A., & Habraken, S. (2013). Study of a solar concentrator for space based on a diffractive/refractive optical combination. AIP Conference Proceedings, (1556), 97-100. doi:10.1063/1.4822208

Languy, F. (2012). Achromatization of nonimaging Fresnel lenses for photovoltaic solar concentration using refractive and diffractive patterns [Doctoral thesis, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/136786

Michel, C., Loicq, J., Languy, F., Mazzoli, A., & Habraken, S. (12 November 2012). Study of a solar concentrator for space based on a diffractive/refractive optical combination [Paper presentation]. Renewable Energy and the Environment Congress - Optics for solar energy (SOLAR), Eindhoven, Netherlands.

Thibert, T., Hellin, M.-L., Loicq, J., Mazy, E., Jacques, L., Verstraeten, D., Gillis, J.-M., Languy, F., Emmerechts, C., Beeckman, E., Habraken, S., & Lecat, J.-H. (2012). Performance of Solmacs, a High PV Solar Concentrator With Efficient Optics. In AIP Conference Proceedings, , Volume 1477 (pp. 225-229).

Languy, F., Fleury-Frenette, K., Lenaerts, C., Loicq, J., Thibert, T., & Habraken, S. (April 2012). Experimental Results of Flat Fresnel Doublets made of PMMA and PC [Paper presentation]. 8. International Conference on Concentrated Photovoltaic Systems.

Languy, F., & Habraken, S. (2012). Hybrid Lens for Solar Concentration: Optimization of the Multilayer Diffractive Lens [Poster presentation]. Renewable Energy and the Environment Congress - Optics for solar energy (SOLAR), Eindhoven, Netherlands.

Languy, F., Lenaerts, C., Loicq, J., Thibert, T., & Habraken, S. (2012). Experimental Results of Hybrid and Refractive Achromatic Doublets Made of PC and PMMA [Paper presentation]. Renewable Energy and the Environment Congress - Optics for solar energy (SOLAR), Eindhoven, Netherlands.

Languy, F., & Habraken, S. (15 July 2011). Performance comparison of four kinds of flat nonimaging Fresnel lenses made of polycarbonates and polymethyl methacrylate for concentrated photovoltaics. Optics Letters, 36 (14), 2743-2745. doi:10.1364/OL.36.002743

Languy, F., Fleury-Frenette, K., Lenaerts, C., Loicq, J., Regaert, D., Thibert, T., & Habraken, S. (29 March 2011). Flat Fresnel doublets made of PMMA and PC: combining low cost production and very high concentration ratio for CPV. Optics Express, 19 (S3), 280-A294. doi:10.1364/OE.19.00A280

Thibert, T., Hellin, M.-L., Loicq, J., Mazy, E., Gillis, J.-M., Languy, F., Habraken, S., Lecat, J.-H., & Defise, J.-M. (2010). Continuous Solar Simulator for Concentrator Photovoltaic Systems. In Proceedings of the 25th European Photovoltaic Solar Energy Conference (pp. 1018-1020).

Languy, F., Lenaerts, C., Loicq, J., & Habraken, S. (2009). Achromatization of solar concentrator using diffractive optics [Poster presentation]. 24th European Photovoltaic Solar Energy Conference and Exhibition, Hambourg, Germany.

Languy, F., Lenaerts, C., Loicq, J., & Habraken, S. (2009). Achromatization of solar concentrator thanks to diffractive optics [Paper presentation]. 2nd International Workshop on Concentrating Photovoltaic Optics and Power, Darmstadt, Germany.