Institute of Physical Research | National Academy of Sciences of Armenia | Armenia
Dr. Armen Sargsyan is an internationally recognized physicist and leading researcher in the fields of laser physics, optics, atomic and molecular spectroscopy, and applied magnetism. He is currently serving as the Head of the Laboratory of Optics and Atomic Spectroscopy at the Institute for Physical Research of the National Academy of Sciences of Armenia, where he leads advanced experimental and theoretical research programs and supervises scientific teams, doctoral students, and collaborative international projects. Dr. Sargsyan has built an outstanding scientific reputation through pioneering contributions to selective reflection spectroscopy, Doppler-free spectroscopy, frequency stabilization, nanocell technologies, and precision measurement techniques for applications in quantum optics, atomic systems, and optical communications. His scientific achievements are reflected in an extensive portfolio of 154 indexed research documents in top-tier academic journals and global scientific collections, collectively accumulating 2,089 citations referenced by 841 citing documents, supported by an h-index of 23, demonstrating sustained international influence and scholarly excellence. Dr. Sargsyan has authored numerous high-impact publications in journals such as Optics Letters, Physical Review Letters, Physics Letters A, Journal of Modern Optics, Optics Express, and OSA Continuum, and has served as a reviewer for major scientific platforms including Optical Society publications, Infrared Physics & Technology, and Measurement. He has received multiple prestigious research awards and recognition as one of Armenia’s most active scientists and has led several nationally funded scientific grants as principal investigator, contributing significantly to the advancement of optical technologies and applied physics. In addition to his research leadership, he has coordinated major scientific schools and international academic events, strengthening the development of optics and photonics education and fostering professional collaboration worldwide. Dr. Sargsyan continues to expand the boundaries of atomic spectroscopy and optical physics with a commitment to innovation, mentoring, and high-level scientific impact.
Featured Publications
Sargsyan, A., Gogyan, A., & Sarkisyan, D. (2025). Up-conversion of 780 nm or 795 nm laser radiation to 420 nm in rubidium atomic vapor. Spectrochimica Acta Part B: Atomic Spectroscopy.
Sargsyan, A., Momier, R., & Sarkisyan, D. (2025). Doppler-free selective reflection spectroscopy of the 6s²S₁/₂ → 7p²P₃/₂ transition of Caesium using an optical nanocell. Journal of Physics B: Atomic, Molecular and Optical Physics.
Sargsyan, A., Klinger, E., Boudot, R., & Sarkisyan, D. (2025). Doppler-free spectroscopy of the Cs 6S₁/₂ → 7P₃/₂ atomic transition at 456 nm in a nanometric-thick vapor layer. Optics Letters.
Sargsyan, A., Klinger, E., Amiryan, A., & Sarkisyan, D. (2025). Features of alkali D2 line magnetically-induced transitions excited under π-polarized laser radiation. Physics Letters A.
Sargsyan, A., Klinger, E., Tonoyan, A., & Sarkisyan, D. (2024). Observation of magnetically-induced transition intensity redistribution in the onset of the hyperfine Paschen–Back regime. Optik, 2024.
Sargsyan, A., Momier, R., Leroy, C., & Sarkisyan, D. (2023). Competing van der Waals and dipole–dipole interactions in optical nanocells at thicknesses below 100 nm. Physics Letters A.