Prof. Alpan Bek Profile

Prof. Alpan Bek

Professor at Middle East Technical Univ

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 1 August 2021 Presentation + Paper

SERS-based trace detection by size and shape controlled noble metal particles with high benefit-cost ratio

Özge Demirtas, Ghazanfar Ali Khan, Nasim Seyedpour Esmaeilzad, R. M. Faheem Iftikhar, İ. Murat Öztürk, A. Kemal Demir, Waqqar Ahmed, Alpan Bek

Proceedings Volume 11797, 1179713 (2021) https://doi.org/10.1117/12.2594112

KEYWORDS: Silver, Molecules, Nanostructures, Surface enhanced Raman spectroscopy, Nanoparticles, Gold

Read Abstract +

Proceedings Article | 1 April 2020 Presentation + Paper

Multifunctional, flexible, and free-standing SERS-active AgNW filter foils

Özge Demirtas, Ozan Akdemir, Şahin Coşkun, H. Emrah Ünalan, Alpan Bek

Proceedings Volume 11345, 113452F (2020) https://doi.org/10.1117/12.2555803

KEYWORDS: Molecules, Aluminum, Surface enhanced Raman spectroscopy, Silver, Raman spectroscopy, Atomic layer deposition, Nanostructures, Scanning electron microscopy, Nanowires

Read Abstract +

Proceedings Article | 9 September 2019 Presentation + Paper

Low dark current diffusion limited planar type InGaAs photodetectors

M. Halit Dolas, Okan Atesal, M. Deniz Caliskan, Alpan Bek, Ekmel Ozbay

Proceedings Volume 11129, 111290D (2019) https://doi.org/10.1117/12.2528666

KEYWORDS: Diffusion, Indium gallium arsenide, Sensors, Photodetectors, Data modeling, Short wave infrared radiation, Zinc

Read Abstract +

Proceedings Article | 8 March 2019 Presentation

Development of electron-selective SiO2/TiO2 stack layers with superior surface passivation capacity for n-type silicon substrates (Conference Presentation)

Hisham Nasser, Doguscan Ahiboz, Ezgi Aygun, Mona Zolfaghari Borra, Ozan Akdemir, Alpan Bek, Rasit Turan

Proceedings Volume 10919, 1091928 (2019) https://doi.org/10.1117/12.2510433

KEYWORDS: Silicon, Atomic layer deposition, Titanium dioxide, Semiconducting wafers, Wafer-level optics, Diodes, Temperature metrology, Chemical analysis, Spectroscopic ellipsometry, Heterojunctions

Read Abstract +

Proceedings Article | 26 April 2018 Paper

A comparison of MWIR and LWIR imaging systems with regard to range performance

Berk Berkan Turgut, Göktuğ Gencehan Artan, Alpan Bek

Proceedings Volume 10625, 1062512 (2018) https://doi.org/10.1117/12.2311868

KEYWORDS: Long wavelength infrared, Imaging systems, Mid-IR, Signal to noise ratio, Target detection, Infrared radiation, Atmospheric modeling, Transmittance, Infrared detectors, Infrared imaging

Read Abstract +

Proceedings Article | 7 July 1998 Paper

Operation of a novel hot-electron vertical-cavity surface-emitting laser

Naci Balkan, Angela O'Brien-Davies, A. Thoms, Richard Potter, Nigel Poolton, Michael Adams, J. Masum, Alpan Bek, Ali Serpenguzel, Atilla Aydinli, John Roberts

Proceedings Volume 3283, (1998) https://doi.org/10.1117/12.316680

KEYWORDS: Reflectivity, Vertical cavity surface emitting lasers, Quantum wells, Electroluminescence, Gallium arsenide, Semiconductors, Electron transport, Diffusion, Lasers, Physics

Read Abstract +

Proceedings Article | 7 July 1998 Paper

Microcavity effects in the photoluminescence of hydrogenated amorphous silicon nitride

Ali Serpenguzel, Atilla Aydinli, Alpan Bek

Proceedings Volume 3283, (1998) https://doi.org/10.1117/12.316689

KEYWORDS: Optical microcavities, Mirrors, Reflectivity, Fabry–Perot interferometers, Transmittance, Amorphous silicon, Luminescence, Aluminum, Absorbance, Silicon

Read Abstract +

Showing 5 of 7 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years