Répertoire du corps professoral
Tigran Galstian
Professeur titulaire
(418) 656-2131, poste 402025
Tigran.Galstian@phy.ulaval.ca
Pavillon optique photonique
2375, rue de la Terrasse
Local 2125
Acquisition d'équipements de fabrication mécanique en support aux projets de recherche novateurs du Centre d'optique, photonique et lasers et de la Faculté des sciences et de génie de l'Université Laval
Programme: Programme de soutien aux organismes de recherche et d'innovation (PSO) - Volet 4: Soutien au financement d'infrastructures de recherche et d'innovation
Organisme(s) subventionnaire(s): Ministère de l'Économie et de l'Innovation et de l'énergie, Université Laval - Fonds internes
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 septembre 2024
au 1 février 2026
Centre d'optique, photonique et lasers
Programme: Regroupements stratégiques NT
Organisme(s) subventionnaire(s): École polytechnique de Montréal, Université du Québec à Trois-Rivières, École de technologie supérieure, Université de Sherbrooke, Université Concordia, Université Laval - Fonds internes, Institut national de recherche scientifique (INRS), Fonds de recherche du Québec - Nature et technologies, Université McGill
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 avril 2024
au 31 mars 2030
Systèmes intégrés hybrides de lumière (HiLight)
Programme: Fonds d'innovation (FI)
Organisme(s) subventionnaire(s): Fondation Canadienne pour l'innovation (La), Ministère de l'Économie et de l'Innovation, École de technologie supérieure
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 septembre 2023
au 31 décembre 2026
Liquid Crystalline Orientational Excitations in Biological Membranes
Programme: Subventions à la découverte SD (individuelles et d'équipe)
Organisme(s) subventionnaire(s): Conseil de recherches en sciences naturelles et génie Canada
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 avril 2022
au 31 mars 2027
Deep brain photometry of spatially distinct brain areas using a single optical fiber
Programme: Nouvelles frontières en recherche
Organisme(s) subventionnaire(s): Secrétariat des programmes interorganismes à l’intention des établissements
Type de financement: Subvention
Établissement tête: Université Laval
Du 31 mars 2022
au 30 mars 2025
Chaire de recherche du Canada en cristaux liquides et biophotonique comportementale
Programme: Chaires de recherche du Canada - Fonctionnement
Organisme(s) subventionnaire(s): Conseil de recherches en sciences naturelles et génie Canada
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 mai 2021
au 30 avril 2028
LIA - Lumière matière France Québec (LuMAQ)
Programme: Laboratoire international associé (LIA)
Organisme(s) subventionnaire(s): Université Laval - Fonds internes, Centre national de la recherche scientifique (France), Université de Bordeaux
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 janvier 2017
au 31 décembre 2025
Financements des 2 dernières années
Bonification des équipements de fabrication de fibres optiques pour les besoins de la recherche au Centre d'optique, photonique et laser (COPL)
Programme: Programme de soutien aux organismes de recherche et d'innovation (PSO) - Volet 4: Soutien au financement d'infrastructures de recherche et d'innovation
Organisme(s) subventionnaire(s): Université Laval - Fonds internes, Ministère de l'Économie et de l'Innovation, Huawei Technologies Canada Co., Ltd.
Type de financement: Subvention
Établissement tête: Université Laval
Du 31 mai 2021
au 15 février 2024
A network of automated sensors to monitor arctic animals and environmental changes through advanced computational approaches
Programme: Sentinelle Nord - Deuxième appel à projets majeurs
Organisme(s) subventionnaire(s): Secrétariat des programmes interorganismes à l’intention des établissements
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 novembre 2020
au 31 décembre 2024
Centre d'optique photonique et laser (COPL)
Programme: Regroupements stratégiques NT
Organisme(s) subventionnaire(s): Université de Sherbrooke, École polytechnique de Montréal, Université McGill, Université Concordia, Fonds de recherche du Québec - Nature et technologies, École de technologie supérieure, Université Laval - Fonds internes
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 avril 2017
au 31 mars 2024
Smart, adaptative, and autonomous sensing
Programme: Programme de formation orientée vers la nouveauté, la collaboration et l'expérience en recherche (FONCER)
Organisme(s) subventionnaire(s): Université Laval - Fonds internes, Secrétariat Inter-Conseils (Canada) (CRSH, CRSNG, IRSC), Sentinelle Nord, Conseil de recherches en sciences naturelles et génie Canada
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 avril 2017
au 31 mars 2024
Encadrements terminés dans les 5 dernières années
Publications des 5 dernières années
Loss-less passive polarization rectifier design with minimal etendue and size increase Optics Communications, 2025/01. Armen Zohrabyan, Aram Bagramyan, Tigran Galstian. DOI 10.1016/j.optcom.2024.131269
Motion-less depth-selective optogenetic probe using tapered fiber and an electrically tuneable liquid crystal steering element Biomedical Optics Express, 2025/01/01. William Boissonneault, Maxime Lemieux, Frédéric Bretzner, Tigran Galstian. DOI 10.1364/BOE.544388
Liquid crystal cell assembly and method for detection enhancement US Patent, 2024/09/24. Tigran Galstian, Van Vladimir Galstian.
Applications of liquid crystal devices in biomedical research (Invited), KeyNote SPIE Photonics, 2024/08/20. Loic Tabourin, Fréderic Bretzner, W. Boissonneault, M. Hovakimyan, S. Thibault, Tigran Galstian. DOI 10.1117/12.3028119
Liquid Crystal Dynamically Steerable GHz and THz Devices for Automotive and Other Applications 11th Microwave & Radar Week, 2024/07/01. Anastasiia Pusenkova, Thomas Gisder, Marc Michael Meinecke, Heiko Gustav Kurz, Tigran Galstian, Heiko Schroeder.
Tunable liquid crystal lens with symmetric bipolar operation Optics Letters, 2024. Zemska, Z., Galstian, T.. DOI 10.1364/OL.519493
Towards a mini-endoscope design with spatially selective excitation and imaging Biomedical Optics Express, 2024. Tabourin, L., Bretzner, F., Galstian, T.. DOI 10.1364/BOE.512124
Terahertz phase imaging of large-aperture liquid crystal modulator with ITO interdigitated electrode Journal of Physics D: Applied Physics, 2024. Le Bourlout, A., Pusenkova, A., Lafrenière-Greig, J., Ropagnol, X., Galstian, T., Blanchard, F.. DOI 10.1088/1361-6463/ad7a87
Statistically Optimal Generative Modeling with Maximum Deviation from the Empirical Distribution Proceedings of Machine Learning Research, 2024. Vardanyan, E., Hunanyan, S., Galstyan, T., Minasyan, A., Dalalyan, A..
Passive rectification of the polarization of fluorescence light by photon recycling Optics Letters, 2024. Boissonneault, W., Bah, S.T., Galstian, T.. DOI 10.1364/OL.532365
Microflow sensing and control using an in-channel birefringent biomembrane Lab on a Chip, 2024. Jia, N., Deng, T., Larouche, C., Galstian, T., Bégin-Drolet, A., Greener, J.. DOI 10.1039/d3lc00985h
Liquid Crystal Dynamically Steerable GHz and THz Devices for Automotive and Other Applications Proceedings International Radar Symposium, 2024. Pusenkova, A., Meinecke, M.-M., Kurz, H.G., Gisder, T., Schroeder, H., Galstian, T..
Lightweight mini-endoscope for two color imaging of neural activities with large field of view Results in Optics, 2024. Tabourin, L., Bretzner, F., Galstian, T.. DOI 10.1016/j.rio.2024.100732
Artificial lighting affects the predation performance of the predatory bug Orius insidiosus (Say) against the Western flower thrips Frankliniella occidentalis (Pergande) 2024. Morgane L. Canovas, Paul K. Abram, Jean-François Cormier, Tigran Galstian, Martine Dorais. DOI 10.1101/2024.10.01.616144
Recent progress of applications of liquid crystals in lighting IRP LuMAQ, 2023/10. Tigran Galstian.
Liquid crystal adaptive optical components for light manipulation and sensing International Conference on Laser Physics, 2023/09. Tigran Galstian.
Electrically tunable element to relax optical design tolerances and add more functionalities OSA Optical Design and Fabrication Congress, 2023/06/05. Zhanna Zemska, Tigran Galstian. DOI 10.1117/12.2692513
Electrically tunable large aperture lenses using nematic liquid crystals NOMA, 2023/06/04. O. Sova, Armen Zohrabyan, Vladimir Presniakov, Aram Bagramyan, Tigran Galstian.
Du développement de matériaux optiques à la commercialisation de produits grand public : un véritable défi Forum québécois sur les matériaux avancés, 2023/04. Tigran Galstian.
Wavefront control capability in a modal lens with segmented circular peripheral electrodes Applied Optics, 2023. Tabourin, L., Brousseau, D., Thibault, S., Galstian, T.. DOI 10.1364/AO.501953
Theoretical study of the reaction–diffusion model of a three-component photopolymerizable system taking into account the shrinking effect Results in Optics, 2023. Bielykh, S.P., Galstian, T.V., Reshetnyak, V.Y.. DOI 10.1016/j.rio.2023.100389
Successes and challenges in the development of liquid crystal devices for imaging, vision and lighting Optics of Liquid Crystals Conference, 2023. Tigran Galstian.
Statistically Optimal Generative Modeling with Maximum Deviation from the Empirical Distribution arXiv, 2023. Vardanyan, E., Hunanyan, S., Galstyan, T., Minasyan, A., Dalalyan, A.. DOI 10.48550/arXiv.2307.16422
Simple electrically tunable liquid crystal spatial phase modulator Optics Express, 2023. Zemska, Z., Galstian, T.. DOI 10.1364/OE.483736
Optimality of the Least Sum of Logarithms in the Problem of Matching Map Recovery in the Presence of Noise and Outliers Armenian Journal of Mathematics, 2023. Galstyan, T., Minasyan, A.. DOI 10.52737/18291163-2023.15.5-1-9
Matching Map Recovery with an Unknown Number of Outliers Proceedings of Machine Learning Research, 2023. Minasyan, A., Galstyan, T., Hunanyan, S., Dalalyan, A..
Large diameter electrically tunable lens for ophthalmic distance accommodation Biomedical Optics Express, 2023. Sova, O., Presniakov, V., Zohrabyan, A., Bassene, S., Cotovanu, M., Bagramyan, A., Khodadad, B., Galstian, T.. DOI 10.1364/BOE.501952
Dynamic beam shaping for LED lighting Applied Optics, 2023. Presniakov, V., Zohrabyan, A., Sova, O., Bassene, S., Cotovanu, M., Bagramyan, A., Khodadad, B., Killick, T., Galstian, T.. DOI 10.1364/AO.504030
Characterization of active liquid crystal: comparison using continuous and time domain terahertz techniques International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, 2023. Bourlout, A.L., Pusenkova, A., Zhuldybina, M., Ropagnol, X., Gisder, T., Meinecke, M.-M., Schroeder, H., Kurz, H.G., Galstian, T., Blanchard, F.. DOI 10.1109/IRMMW-THz57677.2023.10299210
Characterization of Active Liquid Crystal With Continuous Terahertz Waves 2023 Photonics North, PN 2023, 2023. Bourlout, A.L., Pusenkova, A., Zhuldybina, M., Ropagnol, X., Galstian, T., Blanchard, F.. DOI 10.1109/PN58661.2023.10223018
Adaptive lens for foveal vision, imaging, and projection over large clear apertures Optics Express, 2023. Bégel, L., Khodadad, B., Galstian, T.. DOI 10.1364/OE.476396
A microfluidic bio membrane for flow rate metering ChemRxiv, 2023. Jia, N., Deng, T., Larouche, C., Galstian, T., Bégin-Drolet, A., Greener, J.. DOI 10.26434/chemrxiv-2023-w7vzl
Predators under spotlights! Behavioral responses of Orius insidiosus to artifical light spectra and intensities combinations Entomological Society of America annual meeting, 2022/11. Morgane Canovas, Jonathan Levesque, Tigran Galstian, Paul K. Abram, Martine Dorais.
Coup de projecteur sur les prédateurs! La composition spectrale de la lumière détermine la performance de prédation du généraliste Orius insidiosus (Say) Société d'Entomologie du Québec, 2022/10/27. Morgane Canovas, Jonathan Levesque, Tigran Galstian, Paul Abram, Martine Dorais.
Recent progress in the development of electrically controllable lenses and their applications Conference on Laser Physics, 2022/09. Zhanna Zemska, P. Larochelle, Tigran Galstian.
Universal liquid crystal (lens) element for focusing, steering and more SPIE Photonics, 2022/08/22. Zhanna Zemska, J. Stevens, Tigran Galstian.
Can we control the trans-membrane ion exchange by using amphiphilic Azobenzene molecules ? SPIE Photonics, 2022/08/22. Ilham Touati, Yue Zhao, Tigran Galstian.
Recent progress in large aperture liquid crystal lenses International Liquid Crystal Conference, 2022/07/29. Tigran Galstian.
Parameter control for 3D printing in silica-aluminium-phosphate hybrid material SolGel, 2022/07/24. Gabriel Tayama, Silvia Santagneli, Sandra Messaddeq, Tigran Galstian, Younès Messaddeq.
Recent advances in liquid crystal adaptive lenses for lighting Electronic Displays Conference, 2022/05. Tigran Galstian.
Poling micrométrique de surface vitreuse par plasma : un nouvel outil pour l'alignement multi-domaines de cristaux liquides ACFAS, 2022/05. Alexis Maillard, Marc Dussauze, Tigran Galstian.
Multifunctional optical components based on nematic liquid crystals NOMA, 2022/05. Zhanna Zemska, Tigran Galstian.
Comportement électro-optique des cristaux liquides dans des capillaires en vue du développement de dispositifs optiques fibrés multimatériaux AFCAS, 2022/05. Alice Goillot, Marc Dussauze, Younes Messaddeq, Tigran Galstian.
Plasma assisted micro poling of glassy surfaces: a new tool to achieve liquid crystal multi-domain alignments [Invited] Optical Materials Express, 2022. Goillot, A., Maillard, A., Galstian, T., Messaddeq, Y., Adamietz, F., Rodriguez, V., Dussauze, M.. DOI 10.1364/OME.459498
Optimal detection of the feature matching map in presence of noise and outliers Electronic Journal of Statistics, 2022. Galstyan, T., Minasyan, A., Dalalyan, A.S.. DOI 10.1214/22-EJS2076
Optical design challenges of subnivean camera trapping under extreme Arctic conditions Arctic Science, 2022. Pusenkova, A., Poirier, M., Kalhor, D., Galstian, T., Gauthier, G., Maldague, X.. DOI 10.1139/as-2021-0012
Matching Map Recovery with an Unknown Number of Outliers arXiv, 2022. Minasyan, A., Galstyan, T., Hunanyan, S., Dalalyan, A.. DOI 10.48550/arXiv.2210.13354
Failure Modes of Domain Generalization Algorithms Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 2022. Galstyan, T., Harutyunyan, H., Khachatrian, H., Steeg, G.V., Galstyan, A.. DOI 10.1109/CVPR52688.2022.01849
Electrically variable liquid crystal lens with spiral electrode Optics Communications, 2022. Pusenkova, A., Sova, O., Galstian, T.. DOI 10.1016/j.optcom.2021.127783
Electrically tunable liquid crystal lens with a serpentine electrode design Optics Letters, 2022. Stevens, J., Galstian, T.. DOI 10.1364/OL.447853
Electrically tunable lens with a non-monotonic wavefront control capability Optics Letters, 2022. Zemska, Z., Galstian, T.. DOI 10.1364/OL.465018
Molecular control enables smart photonic systems Réunion annuelle de LIA, 2021/10/08. Tigran Galstian.
Controllable liquid crystal layered Fresnel lens device US Patent, 2021/10/06. Tigran Galstian, Karen Asatryan, Vladimir Presniakov, Aram Bagramyan, Armen Zohrabyan, Simon Careau.
In-fiber switchable polarizer by capillary-aligned liquid crystals Optics of Liquid Crystals, 2021/09. Abdullah Rahnama, Tigran Dadalyan, Keivan Mahmoud Aghdami, Tigran Galstian, Peter R. Herman.
Vehicle headlight beam control having a liquid crystal driving circuit and liquid crystal broadening device US Patent, 2021/08/24. Tigran Galstian.
Investigating the role of the “mechanical” deformation of Azobenzene molecules for biological control SPIE Photonics, 2021/08. I. Duchesne, Tigran Galstian, Mario Fafard, Luca Sorelli, Denis Rodrigue, F. Fabbry.
Control of bacteria movement by using photo responsive media SPIE Photonics, 2021/08. I. Duchesne, Tigran Galstian.
Extreme arctic conditions CAP Virtual Congress, 2021/06. Anastasiia Pusenkova, Tigran Galstian, Davood Kalhor, Mathilde Poirier, Gilles Gauthier, Mario Fafard.
Dynamic beam shaping by using liquid crystals: The lighting quality Photonics North, 2021/06/01. Armen Zohrabyan, Vladimir Presniakov, Aram Bagramyan, Tigran Galstian.
Photodynamic control of bacterial motility by means of azobenzene molecules Journal of Photochemistry and Photobiology, 2021. Duchesne, I., Galstian, T., Sorelli, L., Rodrigue, D., Fabbri, F., Fafard, M.. DOI 10.1016/j.jpap.2021.100074
Optimal detection of the feature matching map in presence of noise and outliers arXiv, 2021. Galstyan, T., Minasyan, A., Dalalyan, A.S.. DOI 10.48550/arXiv.2106.07044
In-fiber polarization control using nematic liquid crystal in nano-capillary bragg grating array Optics InfoBase Conference Papers, 2021. Rahnama, A., Dadalyan, T., Aghdami, K.M., Galstian, T., Herman, P.R..
In-fiber Polarization Control Using Nematic Liquid Crystal in Nano-Capillary Bragg Grating Array 2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Proceedings, 2021. Rahnama, A., Dadalyan, T., Aghdami, K.M., Galstian, T., Herman, P.R..
In-fiber Polarization Control Using Nematic Liquid Crystal in Nano-Capillary Bragg Grating Array 2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Proceedings, 2021. Rahnama, A., Dadalyan, T., Aghdami, K.M., Galstian, T., Herman, P.R.. DOI 10.1364/cleo_si.2021.sm1p.3
In-Fiber Switchable Polarization Filter Based on Liquid Crystal Filled Hollow-Filament Bragg Gratings Advanced Optical Materials, 2021. Rahnama, A., Dadalyan, T., Mahmoud Aghdami, K., Galstian, T., Herman, P.R.. DOI 10.1002/adom.202100054
Focus-tunable microscope for imaging small neuronal processes in freely moving animals Photonics Research, 2021. Bagramyan, A., Tabourin, L., Rastqar, A., Karimi, N., Bretzner, F., Galstian, T.. DOI 10.1364/PRJ.418154
Failure modes of domain generalization algorithms arXiv, 2021. Galstyan, T., Harutyunyan, H., Khachatrian, H., Ver Steeg, G., Galstyan, A.. DOI 10.48550/arxiv.2111.13733
A Camera Trap to Reveal the Obscure World of the Arctic Subnivean Ecology IEEE Sensors Journal, 2021. Kalhor, D., Poirier, M., Pusenkova, A., Maldague, X., Gauthier, G., Galstian, T.. DOI 10.1109/JSEN.2021.3122203
Comparative subject study of an electrically tunable liquid crystal, a monofocal, and an EDOF IOL International Commission for Optics and the Conference of International Society on Optics Within Life Sciences, 2020/09. K. Sperlich, A. Dierke, T. Koch, S. Bohn, H. Stolz, R.F. Guthoff, Tigran Galstian, Oliver Stachs.
LC modulator devices based on non-uniform electrode structures US Patent, 2020/07/21. Tigran Galstian.
Des DELs pour mieux gérer les insectes en serres, une idée lumineuse ? État des connaissances concernant l’impact de la lumière artificielle sur les arthropodes ACFAS, 2020/05. M. Canovas, P. Cochard, Tigran Galstian, C. Cloutier.
Tunable optical device, tunable liquid crystal lens assembly and imaging system using same US Patent, 2020/04/28. Tigran Galstian, Armen Saghatelyan, Aram Bagramyan.
Reprogrammable tuneable liquid crystal lens intraocular implant and methods therefor US Patent, 2020/02/18. Tigran Galstian, Howard Earhart.
Structured Illumination Super-Resolution Module for 1- photon Endomicroscopy Photonics West, 2020/02/03. L. Tabourin, Tigran Galstian.
Lightweight motion free mini-scope system for depth monitoring of calcium dynamics of fine brain structures in brain of freely behaving animals Photonics West, 2020/02/03. Aram Bagramyan, L. Tabourin, A. Rastqar, Frédéric Bretzner, Tigran Galstian.
Applications of Liquid crystals in Brain Study Photonics West, 2020/02/03. Aram Bagramyan, L. Tabourin, Tigran Galstian.
Surface microstructuring ribbon optical fibre by an imprinting thermo-electrical process 2020. Alice Goillot, C. Strutynski, Tigran Galstian, Younes Messaddeq, V. Rodriguez, Marc Dussauze.
Robust classification under class-dependent domain shift arXiv, 2020. Galstyan, T., Khachatrian, H., Steeg, G.V., Galstyan, A..
Robust classification under class-dependent domain shift arXiv, 2020. Galstyan, T., Khachatrian, H., Steeg, G.V., Galstyan, A.. DOI 10.48550/arxiv.2007.05335
Reducing the light scattering impact in liquid-crystal-based imaging systems Applied Optics, 2020. Pusenkova, A., Galstian, T.. DOI 10.1364/AO.394289
Modal control refractive Fresnel lens with uniform liquid crystal layer Optics Communications, 2020. Sova, O., Galstian, T.. DOI 10.1016/j.optcom.2020.126056
Liquid crystal module for motionless generation of variable structured illumination Journal of the Optical Society of America B: Optical Physics, 2020. Tabourin, L., Galstian, T.. DOI 10.1364/JOSAB.393128
Laser beam steering in a variable gradient index nematic liquid crystal structure Molecular Crystals and Liquid Crystals, 2020. Dadalyan, T., Galstian, T.. DOI 10.1080/15421406.2020.1831148
Focus-tunable microscope for imaging small neuronal processes in freely moving animals bioRxiv, 2020. Bagramyan, A., Tabourin, L., Rastqar, A., Karimi, N., Bretzner, F., Galstian, T.. DOI 10.1101/2020.10.31.363507
Electrically tunable liquid crystal lens in extreme temperature conditions Molecular Crystals and Liquid Crystals, 2020. Pusenkova, A., Galstian, T.. DOI 10.1080/15421406.2020.1743941
Dynamic guiding of bacteria in lyotropic chromonic liquid crystal using magnetic field Molecular Crystals and Liquid Crystals, 2020. Boulé, M.-A., Rainville, S., Galstian, T.. DOI 10.1080/15421406.2020.1848229
Chip-scale full-stokes spectropolarimeter in silicon photonic circuits arXiv, 2020. Lin, Z., Dadalyan, T., Bélanger-De Villers, S., Galstian, T., Shi, W..
Chip-scale full-stokes spectropolarimeter in silicon photonic circuits arXiv, 2020. Lin, Z., Dadalyan, T., Bélanger-De Villers, S., Galstian, T., Shi, W.. DOI 10.48550/arxiv.2002.02062
Chip-scale full-Stokes spectropolarimeter in silicon photonic circuits Photonics Research, 2020. Lin, Z., Dadalyan, T., Bélanger-De Villers, S., Galstian, T., Shi, W.. DOI 10.1364/PRJ.385008
Active control of bacteria swimming orientation in a liquid crystal matrix by using UV light Molecular Crystals and Liquid Crystals, 2020. Duchesne, I., Galstian, T.. DOI 10.1080/15421406.2020.1771669
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