Bettiol Group

Department of Physics, National University of Singapore


Huining Jin, Shuvan Prashant Tugara, Sudheer Kumar Vanga, and Andrew Anthony Bettiol.
Single-mode light guiding in diamond waveguides directly written by focused proton beam.
Letters , 43(11), 2648-2651 MAY 2018

Usman Younis, Xianshu Luo, Bowei Dong, Li Huang, Sudheer Vanga, Eu-Jin Lim, Guo-Qiang Lo,
Chengkuo Lee, Andrew Anthony Bettiol, and Kah-Wee Ang. Towards low-loss waveguides in soi
and ge-on-soi for mid-ir sensing.
Journal of Physics Communications , 2(4):045029 , APR 2018

Hong Qi Tan, Zhaohong Mi, and Andrew A. Bettiol. Simple and universal model for electron impact
ionization of complex biomolecules.
Physical Review E , 97:032403 , MAR 2018

Shawn Yohanes Siew, Eric Jun Hao Cheung, Haidong Liang, Andrew Bettiol, Noriaki Toyoda, Bandar Alshehari, Elhadj Dogheche, and Aaron J. Danner. Ultra-low loss ridge waveguides on lithium niobate via argon ion milling and gas clustered ion beam smoothening. Optics Express, (4):4421–4430, FEB 2018.

J. Charles G. Jeynes, Kalotina Geraki, Christopher Jeynes, Mi Zhaohong, Andrew A. Bettiol, Eva Latorre, Lorna Wendy Harries, and Christian Soeller. Nanoscale properties of human telomeres measured with a dual purpose x-ray fluorescence and super resolution microscopy gold nanoparticle probe. ACS Nano , 2017 11 (12), pp 12632–12640

Kwan Bum Choi, Christopher Subhodayam Percis Teena, Jian Wei Ho, Jianqiang Wang, Jiaji Lin, Andrew A. Bettiol, Armin G. Aberle, and Johnson Wong. Modulated photoluminescence lifetime measurement of bifacial solar cells.
Journal of Photovoltaics, 7(6):1687 – 1692 , NOV 2017

Deepa Sriramulu, Shuvan Prashant Turaga, Andrew Anthony Bettiol, and Suresh Valiyaveettil. Molecular organization dependent tuning of optical properties of perylene silica hybrid nanoparticles.
Scientific Reports 7:7842 (2017)

Manukumara Manjappa, Shuvan Prashant Turaga, Yogesh Kumar Srivastava, Andrew Bettiol, and Ranjan Singh, Strong magnetic annihilation of the dark mode in a bright-dark coupled terahertz metamaterial,
Optics Letters Vol. 42, Issue 11, pp. 2106-2109 (2017)

Deepa Sriramulu, Shuvan Prashant Turaga, Andrew Anthony Bettiol, and Suresh Valiyaveettil. Oriented perylene incorporated optically anisotropic 2d silica films.
RSC Advances, 7:32692–32702, JUN 2017. 

Miguel Vasco, Luis Alves, Victoria Corregidor, Andrew Bettiol, Frank Watt, and Teresa Pinheiro, 3d map distribution of metallic nanoparticles in whole cells using MeV ion microscopy.
Journal of Microscopy 267(2) 227-236 (2017)

Chengyuan Yang, Shuvan Prashant Turaga, Andrew A. Bettiol, Pranesh Balamuniappan, Michel Bosman, Hui Ru Tan, Jing Hua Teng and Ee Jin Teo, Textured V-Pit Green Light Emitting Diode as a Wavelength-Selective Photodetector for Fast Phosphor-Based White Light Modulation,
ACS Photonics 4 (3) 443-448 (2017)

M.Q. Ren, X Ji, S.K. Vajandar, Z.H. Mi, A. Hoi, T Walczyk, J.A. van Kan, A.A. Bettiol, F. Watt, and T. Osipowicz. Analytical possibilities of highly focused ion beams in biomedical field.
Nuclear Instruments and Methods in Physics Research Section B 406 (2017) 15-24


Andrew A. Bettiol, Zhaohong Mi, and Frank Watt, High-resolution fast ion microscopy of single whole biological cells, Applied Physics Reviews 3 (4) 041102, 2016

Deepa Sriramulu, Shuvan Prashant Turaga,  Ang Xin Yi,  Andrew Anthony Bettiol and Suresh Valiyaveettil, Synthesis, characterization and application of luminescent silica nanomaterials,
Journal of Materials Chemistry C 4 (2016) 11190-11197

Usman Younis, Andy Eu-Jin Lim, Patrick Guo-Qiang Lo, Andrew A. Bettiol, and Kah-Wee Ang. Propagation loss improvement in ge-on-soi mid-infrared waveguides using rapid thermal annealing.
IEEE Photonics Technologies Letters 28 (21) 2447-2450, 2016

Usman Younis, Sudheer K. Vanga, Andy Eu-Jin Lim, Patrick Guo-Qiang Lo, Andrew A. Bettiol, and Kah-Wee Ang. Germanium-on-soi waveguides for mid-infrared wavelengths.
Optics Express,  24(11):11987–11993,  May 2016.

Yuanjun Yan, Daryl Boey, Li Theng Ng, Jan Gruber, Andrew Bettiol, Nitish Thakor, Chia-Hung Chen, Continuous-flow C. elegans fluorescence expression analysis with real-time image processing through microfluidics,
Biosensors and Bioelectronics 77, 15 March 2016, 428434