Prof. Rafael K. Drampyan Profile

Prof. Rafael K. Drampyan

at Institute for Physical Research NAS RA

SPIE Involvement:

Author

Proceedings Article | 1 August 2021 Presentation + Paper

Optical soliton generation in a photorefractive Fe-doped lithium niobate crystal by a pyroelectric effect

Lusine Tsarukyan, Anahit Badalyan, Rafael Kh. Drampyan

Proceedings Volume 11818, 118180K (2021) https://doi.org/10.1117/12.2594116

KEYWORDS: Crystals, Photovoltaics, Nonlinear crystals, Refractive index, Solitons, Optical solitons, Lithium niobate, Pyroelectricity, Waveguides, Optical communications, Laser beam propagation, Nonlinear optics

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Proceedings Article | 1 April 2020 Presentation + Paper

Trapping of dielectric microparticles on iron-doped lithium niobate crystal by optical Bessel beam-induced space-charge field

Lusine Tsarukyan, Anahit Badalyan, Ruben Hovsepyan, Rafael Kh. Drampyan

Proceedings Volume 11367, 113671B (2020) https://doi.org/10.1117/12.2553060

KEYWORDS: Crystals, Particles, Dielectrophoresis, Bessel beams, Refractive index, Photovoltaics, Dielectrics, Lithium niobate, Microscopes, Nanoparticles

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Proceedings Article | 23 April 2019 Paper

Regular optical patterns formation and pyroelectric controlled beam self-localization in a photorefractive LiNbO3:Fe crystal

Lusine Tsarukyan, Anahit Badalyan, Ruben Hovsepyan, Rafael Drampyan

Proceedings Volume 11030, 1103017 (2019) https://doi.org/10.1117/12.2520577

KEYWORDS: Crystals, Laser crystals, Refractive index, Nonlinear crystals, Laser beam propagation, Photovoltaics, Beam splitters, Iron, Beam propagation method, Temperature metrology

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Proceedings Article | 14 May 2018 Paper

Peculiarities of spatial soliton formation in azobenzene liquid crystal

Tigran Dadalyan, Varsenik Nersesyan, Anahit Gogyan, Yuri Malakyan, Jeroen Beeckman, Kristiaan Neyts, Rafael Drampyan

Proceedings Volume 10684, 1068424 (2018) https://doi.org/10.1117/12.2307202

KEYWORDS: Molecular lasers

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Proceedings Article | 5 January 2017 Paper

Forty years after the first dark resonance experiment: an overview of the COSMA project results

E. Mariotti, G. Bevilacqua, V. Biancalana, R. Cecchi, Y. Dancheva, Alen Khanbekyan, C. Marinelli, L. Moi, L. Stiaccini, S. Cartaleva, C. Andreeva, E. Alipieva, S. Gateva, A. Krasteva, D. Slavov, E. Taskova, M. Taslakov, P. Todorov, S. Tsvetkov, A. Wilson Gordon, L. Margalit, W. Gawlik, S. Pustelny, A. Stabrawa, J. Sudyka, A. Wojciechowski, F. Renzoni, C. Deans, S. Hussain, L. Marmugi, D. Rassi, O. Ozun, D. Sarkisyan, H. Azizbekyan, R. Drampyan, Alek. Khanbekyan, R. Mirzoyan, A. Papoyan, A. Sargsyan, S. Shmavonyan, A. Tonoyan, P. Ghosh, S. Dey, S. Mitra, B. Ray, K. Nasyrov, P. Chapovsky, V. Entin, N. Nikolov, N. Petrov, D. Budker, B. Patton, A. Wickenbrock, E. Zhivun, S. Gozzini

Proceedings Volume 10226, 102260K (2017) https://doi.org/10.1117/12.2264896

KEYWORDS: Optical coatings, Sensors, Chemical species, Magnetism, Rubidium, Magnetometers, Polarization, Signal detection, Optical pumping, Luminescence

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Proceedings Article | 19 April 2016 Paper

Laser controlled deposition of metal microstructures via nondiffracting Bessel beam illumination

Rafael Drampyan, Nikita Leonov, Tigran Vartanyan

Proceedings Volume 9884, 98841J (2016) https://doi.org/10.1117/12.2227763

KEYWORDS: Metals, Chemical species, Bessel beams, Nanostructures, Semiconductor lasers, Lithographic illumination, Axicons, Sapphire, Natural surfaces, Physical vapor deposition, Adsorption, Manufacturing, Sodium, Nanoparticles, Absorption

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Proceedings Article | 22 May 2013 Paper

Talbot effect from periodic and quasi-periodic structures: application to 3D quasi-crystalline photonic lattices formation

A. Badalyan, P. Mantashyan, V. Mekhitaryan, V. Nersesyan, R. Drampyan

Proceedings Volume 8767, 876705 (2013) https://doi.org/10.1117/12.2016914

KEYWORDS: Modulation, Refractive index, Crystals, 3D image processing, Continuous wave operation, Photonic crystals, Photomasks, Laser crystals, Diffraction gratings, 3D applications

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Proceedings Article | 25 April 2012 Paper

Micro- and nano-scale photonic lattices induced by Bessel beam technique in doped lithium niobate crystals

Anahit Badalyan, Ruben Hovsepyan, Vahram Mekhitaryan, Paytsar Mantashyan, Rafael Drampyan

Proceedings Volume 8425, 84251J (2012) https://doi.org/10.1117/12.921763

KEYWORDS: Photonic crystals, Crystals, Bessel beams, Laser crystals, Laser beam diagnostics, Iron, Lithium niobate, Diffraction, Axicons, Refractive index

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Proceedings Article | 26 January 2012 Paper

Photovoltaic and diffusion effects in formation of 1D and 2D gratings by Bessel beam technique in LiNbO3:Fe crystal

Anahit Badalyan, Ruben Hovsepyan, Vahram Mekhitaryan, Paytsar Mantashyan, Rafael Drampyan

Proceedings Volume 8414, 84140U (2012) https://doi.org/10.1117/12.923041

KEYWORDS: Crystals, Bessel beams, Diffusion, Photovoltaics, Laser crystals, Diffraction gratings, Modulation, Holography, Microscopes, Axicons

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Proceedings Article | 26 January 2012 Paper

Engineering of 2D and 3D holographic gratings in photorefractive media

Anahit Badalyan, Tigran Gevorgyan, Ruben Hovsepyan, Vahram Mekhitaryan, Paytsar Mantashyan, Rafael Drampyan

Proceedings Volume 8414, 841405 (2012) https://doi.org/10.1117/12.923216

KEYWORDS: Diffraction gratings, Crystals, Diffraction, Bessel beams, Laser crystals, Holography, Interferometry, Modulation, Refractive index, Iron

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Proceedings Article | 5 March 2011 Paper

Combined interferometric-mask method for creation of micro- and sub-micrometric scale 3D structures in photorefractive materials

Anahit Badalyan, Ruben Hovsepyan, Vahram Mekhitaryan, Paytsar Mantashyan, Rafael Drampyan

Proceedings Volume 7998, 79980H (2011) https://doi.org/10.1117/12.890933

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Proceedings Article | 28 February 2011 Paper

New holographic method for formation of 2D gratings in photorefractive materials by Bessel standing wave

Anahit Badalyan, Ruben Hovsepyan, Vagram Mekhitaryan, Paytsar Mantashyan, Rafael Drampyan

Proceedings Volume 7996, 799611 (2011) https://doi.org/10.1117/12.887249

KEYWORDS: Crystals, Laser crystals, Bessel beams, Picosecond phenomena, Diffraction, Diffraction gratings, Holography, Axicons, Iron, Refractive index

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Proceedings Article | 30 May 2001 Paper

Observation of speckle pattern and interference fringe forks in stimulated Raman scattering beam profile

Raphael Drampyan

Proceedings Volume 4403, (2001) https://doi.org/10.1117/12.428273

KEYWORDS: Speckle pattern, Speckle, Raman scattering, Optical vortices, Spiral phase plates, Laser damage threshold, Light scattering, Laser scattering, Pulsed laser operation, Fringe analysis

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Proceedings Article | 18 February 2000 Paper

Vortex structure in stimulated Raman scattering beam profile

Raphael Drampyan

Proceedings Volume 4069, (2000) https://doi.org/10.1117/12.378113

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Proceedings Article | 28 December 1999 Paper

Influence of radiation intensity on resonant Faraday rotation in potassium vapor

Raphael Drampyan, M. Movsessian

Proceedings Volume 4060, (1999) https://doi.org/10.1117/12.375287

KEYWORDS: Potassium, Absorption, Polarization, Chemical species, Multiphoton processes, Magnetism, Scattering, Signal attenuation, Crystals, Ionization

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Showing 5 of 15 publications

SPIE Conference Volume | 25 January 2012

Photonics and Micro- and Nano-structured Materials 2011

Conference Committee Involvement (1)

Photonics and Micro- and Nano- structured Materials 2011

28 June 2011 | Yerevan, Armenia

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