Dr. Sepehr A. Benis Profile

Dr. Sepehr A. Benis

SPIE Involvement:

Author

Area of Expertise:

Nonlinear Optics , Ultrafast Phenomena , Nonlinear Spectroscopy , Nonlinear Measurement and Ultrafast Dynamics , Optoelectornics , Nonlinear Optical Materials

Websites:

Company Website

Sepehr Benis is a 3rd-year Optics graduate student at CREOL, The College of Optics and Photonics, the University of Central Florida in Orlando, FL where he is researching with Dr. Eric Van Stryland and Dr. David Hagan. He graduated with a Bachelor’s degree in Electrical Engineering in 2014 from the University of Tehran in Tehran, IRAN. He s a student member of SPIE, OSA, and APS.

Benis' current research is supported by the National Science Foundation (NSF) and AirForce Office of Scientific Research (AFOSR), and Army Research Lab (ARL). He is investigating properties of different nonlinear optical materials including solid sates and liquids and their applications in nonlinear optics.

Proceedings Article | 20 August 2020 Presentation

Large nonlinear phase shift in Epsilon-near-zero materials: the effect of group and phase velocity

Sepehr Benis, Natalia Munera, David Hagan, Eric Van Stryland

Proceedings Volume 11460, 1146010 (2020) https://doi.org/10.1117/12.2569291

KEYWORDS: Phase velocity, Phase shifts, Nonlinear optics, Phase shift keying, Transparent conducting oxide, Indium, Tin, Oxides, Plasma, Laser beam diagnostics

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Proceedings Article | 9 March 2020 Presentation

Large time-dependent nonlinear phase shift of transparent conducting oxides at epsilon-near-zero (Conference Presentation)

Sepehr Benis, Natalia Munera, Eric Van Stryland, David Hagan

Proceedings Volume 11264, 112640N (2020) https://doi.org/10.1117/12.2546743

KEYWORDS: Ultrafast phenomena, Indium, Tin, Oxides, Plasma, Optical testing, Refraction, Polarization, Phase shifts, Transparent conducting oxide

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Proceedings Article | 28 February 2020 Presentation + Paper

Characterization of the ultrafast nonlinear response of new organic compounds

David Hagan, Salimeh Tofighi, Sepehr Benis, Mikhail Bondar, Eric Van Stryland, Hao-Jung Chang, Ryan O'Donnell, Jianmin Shi

Proceedings Volume 11277, 112770N (2020) https://doi.org/10.1117/12.2552364

KEYWORDS: Nonlinear optics, Picosecond phenomena, Absorption spectroscopy, Femtosecond phenomena, Nonlinear optical materials, Organic materials

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Proceedings Article | 9 September 2019 Presentation

Large, ultrafast induced index changes in ITO (Conference Presentation)

David Hagan, Sepehr Benis, Eric Van Stryland

Proceedings Volume 11080, 110800E (2019) https://doi.org/10.1117/12.2530246

KEYWORDS: Ultrafast phenomena, Refraction, Nonlinear optics, Optical testing, Semiconductors, Polarization, Absorption, Optical components, Structured light, Beam steering

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Proceedings Article | 5 March 2019 Presentation

Nonlinear Fresnel coefficients due to giant ultrafast nonlinearities in indium tin oxide (Conference Presentation)

Sepehr Benis, Natalia Munera, Rodrigo Acuna, David Hagan, Eric Van Stryland

Proceedings Volume 10916, 1091610 (2019) https://doi.org/10.1117/12.2510690

KEYWORDS: Oxides, Indium, Tin, Ultrafast phenomena, Absorption, Polarization, Refraction, Nonlinear optics, Transparent conductors, Semiconductors

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Proceedings Article | 17 September 2018 Presentation

Ultrafast dynamics and spectral dependence of optical nonlinearities in doped semiconductors at epsilon-near-zero (Conference Presentation)

David Hagan, Eric Van Stryland, Sepehr Benis

Proceedings Volume 10719, 1071910 (2018) https://doi.org/10.1117/12.2321983

KEYWORDS: Nonlinear optics, Semiconductors, Ultrafast phenomena, Polarization, Absorption, Harmonic generation, Refraction, Indium, Tin, Oxides

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Proceedings Article | 14 May 2018 Presentation

Measurement of the ultrafast dynamics of nonlinear refraction and absorption of highly doped semiconductors at epsilon-near-zero (Conference Presentation)

Sepehr Benis, Peng Zhao, David Hagan, Eric Van Stryland

Proceedings Volume 10638, 106380X (2018) https://doi.org/10.1117/12.2304668

KEYWORDS: Semiconductors, Refraction, Absorption, Ultrafast phenomena, Ultrafast measurement systems, Refractive index, Nonlinear optics, Polarization, Neodymium, Harmonic generation

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Proceedings Article | 19 September 2017 Presentation

Measurement of the dynamics of nonlinear refraction and absorption via nonlinear beam deflection (Conference Presentation)

David Hagan, Peng Zhao, Sepehr Benis, Eric Van Stryland

Proceedings Volume 10360, 1036009 (2017) https://doi.org/10.1117/12.2275588

KEYWORDS: Refraction, Absorption, Ultrafast phenomena, Gases, Polarization, Pulsed laser operation, Laser beam diagnostics, Sensors, Liquids, Ultrafast measurement systems

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Proceedings Article | 20 February 2017 Presentation + Paper

Cross-propagating beam-deflection measurements of third-order nonlinear optical susceptibility

Sepehr Benis, David Hagan, Eric Van Stryland

Proceedings Volume 10088, 100880N (2017) https://doi.org/10.1117/12.2251451

KEYWORDS: Ultrafast phenomena, Nonlinear optics, Nonlinear optical materials, Kerr effect, Spectroscopy, Femtosecond phenomena, Polarization, Magnetism, Signal detection, Liquids, Optical components, Refractive index, Wave propagation

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