This image shows Óscar Andrey Herrera Sancho

Óscar Andrey Herrera Sancho

Prof. Dr.

Alexander von Humboldt Foundation Fellowship
5th Institute of Physics


Pfaffenwaldring 57
70569 Stuttgart
Room: 3.164


Quantum Optics, Quantum Biology, Quantum Metrology, Surface Physics, Complex Systems and Educational Physics.

  1. C. Veit, N. Zuber, O. A. Herrera–Sancho, V.S.V. Anasuri, T. Schmid, F. Meinert, R. Loew, and T. Pfau, Pulsed ion microscope to probe quantum gases. Physical Review X, 11, 011036 (2021).
  2. T. Vargas–Koudriavtsev, P. Fonseca–Jiménez, P. Barrantes–Delgado, B. Ruiz–Delgado, Berta, G. Conejo–Barboza, and O. A. Herrera–Sancho, E˙ects of bleaching gels on dental enamel crystallography. Oral Health and Preventive Dentistry 19, 7–14 (2021).
  3. E. A. Cortés–Gutiérrez and O. A. Herrera–Sancho, Urban Growth Tendency of Electrical Cables in the Costa Rican Metropolitan Area. Physica A: Statistical Mechanics and its Applications 562, 125371 (2021).
  4. G. Conejo–Barboza, E. Libby, Carmen Marín, and O. A. Herrera–Sancho, Discovery of Vespasiano Bignami paintings at the National Theatre of Costa Rica through technical photography and UV-Vis spectroscopy. Heritage Science 8, 125 (2020).
  5. M. Münkel–Jiménez, M. Bonilla–Araya, Ana D. Grey–Pérez, and O.A. Herrera–Sancho, Awaking Interest in Science Learning: Hands–On Photosynthesis Demonstrations Using Elodea canadensis and Spinacia oleracea. J. Chem. Educ. 97, 2, 457–461 (2020).
  6. G. Conejo–Barboza, A. Chavarría–Sibaja, P. Fernández, B. Acevedo, O. A. Herrera–Sancho, and M. L. Montero, Chemical and mechanical characterization of a green stone pendant, from the archaeological site of Nuevo Corinto, Costa Rica. Geological Journal of Central America 61, 79–90 2019.
  7. M. Guggemos, M. Guevara–Bertsch, D. Heinrich, O. A. Herrera–Sancho, Y. Colombe,
    R.    Blatt, and C. F. Roos, Frequency measurement of the 1S0 !3P1 transition of Al+ via quantum logic spectroscopy with Ca+. New J. Phys. 21, 103003 (2019).
  8. J. G. Morice–Montoya, Juliana Benavides–Rodríguez, Geraldine Conejo–Barboza, Carmen Marín, Mavis L. Montero, and O. A. Herrera–Sancho, A brief insight into the world of stage curtains: Unveiling the secrets of the 120 year-old main curtain of the National Theatre of Costa Rica. Journal of Conservation and Museum Studies 17(1), 4, 1–10 (2019).
  9. M. Guevara–Bertsch, A. Chavarría–Sibaja, A. Godínez–Sandí, and O. A. Herrera–Sancho, Energy exchange between atoms and a Quartz Crystal µ–balance. New J. Phys. 20, 123001 (2018).
  10. A. Godínez–Sandí, D. Fallas–Padilla, S. España–Tapia, A. Zúñiga–Villegas, Milena Castro, and O. A. Herrera–Sancho, Converging Science and Literature cultures: Learning Physics via The Little Prince novella. Phys. Educ. 53, 065006 (2018)
  11. T. Vargas–Koudriavtsev, R. Durán–Sedó, and O. A. Herrera–Sancho, Titanium dioxide in dental enamel as a trace element and its variation with bleaching. J Clin Exp Dent 10, 537 (2018).
  12. T. Vargas–Koudriavtsev, T. Ledezma–Alfaro, W. Wu–WuSh, and O. A. Herrera–Sancho, E˙ect of in-oÿce whitening (bleaching) on phosphate concentration in dental enamel. Mexican Journal of Dentistry 22, 25-29 (2018).
  13. T. Vargas–Koudriavtsev and O. A. Herrera–Sancho, E˙ect of tooth-bleaching on the carbonate concentration in dental enamel by Raman spectroscopy. J Clin Exp Dent 9, 101 (2017).
  14. M. Guevara–Bertsch, G. Ramírez–Hidalgo, A. Chavarría–Sibaja, E. Avendaño, J. A.    Araya–Pochet, and O. A. Herrera–Sancho, Detection of the adsorption of water monolayers through the ion oscillation frequency in the magnesium oxide lattice by means of low energy electron di˙raction. AIP Advances 6, 035317 (2016).
  15. M. Guevara–Bertsch, L. Salfenmoser, A. Chavarría–Sibaja, E. Avendaño, and O. A. Herrera–Sancho, Design and characterization of a Zeeman Slower. Mexican Journal of Physics 62, 175-182 (2016).
  16. T. Vargas–Koudriavtsev, R. Durán–Sedó, P. Sáenz–Bonilla, V. Bonilla–Mora, M. Guevara–Bertsch, R. A. Jiménez–Corrales, and O. A. Herrera–Sancho, E˙ect of tooth-bleaching agents on phosphate concentration in dental enamel by means of Raman spectroscopy. Mexican Journal of Dentistry 19, 228-235 (2015).
  17. M. Guggemos, D. Heinrich, O. A. Herrera–Sancho, R. Blatt, and C. F. Roos, Sympathetic cooling and detection of a hot trapped ion by a cold one. New J. Phys. 17, 103001 (2015).
  18. O. A. Herrera–Sancho, N. Nemitz, M. V. Okhapkin, and E. Peik, Energy levels of Th+ between 7.3 eV and 8.3 eV. Phys. Rev. A 88, 012512 (2013).
  19. O. A. Herrera–Sancho et al., Two-photon laser excitation of trapped 232Th+ ions via the 402 nm resonance line. Phys. Rev. A 85, 033402 (2012).
  20. K. Zimmermann, M. V. Okhapkin, O. A. Herrera–Sancho, and E. Peik, Laser ablation loading of a radiofrequency ion trap. Appl. Phys. B 107, 883-889 (2012).
  21. O. A. Herrera–Sancho, D. Castro–González, J. A. Araya–Pochet, and W. E. Vargas–Castro, Ultra thin films of gadolinium deposited by evaporation in ultra high vacuum conditions: Composition, growth and morphology. Applied Surface Science 257, 3510 (2011).
Work experience
  • Since 2018: University of Costa Rica, Full Professor
  • Since 2018: Atomic, Nuclear and Molecular Sciences Research Center, Wissenschaftler
  • Since 2013: Materials Science and Enginerring Research Center, Wissenschaftler
  • 2013-2018: University of Costa Rica, Associate Professor
  • Since 2008 Costa Rican Accreditation Entity, Technical expert
  • 2008-2015 Costa Rican Institute of Technology, Associate professor
  • 2007 National Metrology Institute of Costa Rica, Head of the Physical Metrology Department
  • 2005-2007 National Metrology Institute of Costa Rica, Metrologe
  • 2004-2006 University of Costa Rica, Wissenschaftler und Lehre
  • Postdoc fellowship, Institute for Quantum Optics and Quantum Information, University of Innsbruck, Innsbruck, Österreich (2016)
  • PhD in Physics, Gottfried Wilhelm Leibniz Universität Hannover, Hannover, Deutschland (2012)
  • M.Sc. in Physics, M.Sc., Centro de Investigación en Ciencia e Ingeniería de Materiales, Sistemas de Estudios de Posgrado, Universidad de Costa Rica, San José, Costa Rica (2008)
  • B.Sc. in Physics, Universität von Costa Rica, San José, Costa Rica (2003)
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