Bettiol Group

Department of Physics, National University of Singapore

2015

Chengyuan Yang, Andrew A. Bettiol, Yi Shi, Michel Bosman, Hui Ru Tan, Wei Peng Goh, Jing Hua Teng and Ee Jin Teo, Fast electrical modulation in a plasmonic-enhanced V-pit textured light emitting diode Advanced Optical Materials 3 (12) (2015) 1703-1709

Zhaohong Mi, Yuhai Zhang, Sudheer Kumar Vanga, Ce-Belle Chen, Hong Qi Tan, Frank Watt, Xiaogang Liu and Andrew A. Bettiol, Subwavelength imaging through ion-beam-induced upconversion, Nature Communications 6, Article number: 8832

Ruiyun He, Sudheer Kumar Vanga, Andrew A. Bettiol, Feng Chen, Focused ion-beam writing of channel waveguides in BGO crystal for telecommunication bands, Optical Engineering 54 (5) 057108 (2015)

Yang Tan, Zhen Shang, Sudheer Kumar Vanga, Andrew A. Bettiol, and Feng Chen,
High-gain optical waveguide amplifier based on proton beam writing of Nd:YAG crystal Optics Express 23(11):14612, May 2015

Manukumara Manjappa, Sher Yi Chiam, Longqing Cong, Andrew Anthony Bettiol, Weili Zhang and Ranjan Singh, Tailoring the slow light behavior in terahertz metasurfaces,
Applied Physics Letters 106 181101 (2015)

Andrew A. Bettiol, Zhaohong Mi, Sudheer Kumar Vanga, Ce-belle Chen, Ye Tao, Frank Watt, Ion beam induced fluorescence imaging in biological systems,
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms B 348 (2015) 131–136

Ye Tao, Zhaohong Mi, Sudheer Kumar Vanga, Ce-Belle Chen, Andrew A Bettiol, and Frank Watt. Variation in the uptake of Nanoparticles by Monolayer Cultured Cells using High Resolution Ion Beam Imaging .
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms B 348 (2015) 143–146

Sudheer Kumar Vanga, Zhaohong Mi, Long Cheng Koh, Ye Tao, Andrew A. Bettiol, and Frank Watt. Development of a new light collection and detection system optimized for ion beam induced fluorescence microscopy.
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms B 348 (2015) 111–114

Sudheer Kumar Vanga and A. A. Bettiol. Proton beam writing of dye doped polymer microlasers.
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms B 348 (2015) 209–212

Sudheer Kumar Vanga, Venkatram Nalla and A. A. Bettiol. Polymer microlasers with a suspended cavity design.
Optical Materials 42 (2015) 144-147

H. D. Liang, S. K. Vanga, J. F. Wu, B. Q. Xiong, C. Y. Yang, A. A. Bettiol, and M. B. H. Breese. Fabrication of 3d photonic components on bulk crystalline silicon.
Optics Express 23(1):121–129, Jan 2015

2014

Ee Jin Teo, Noriaki Toyoda, Chengyuan Yang, Bing Wang, Nan Zhang, Andrew Anthony Bettiol, and Jinghua Teng, Sub-30 nm thick plasmonic films and structures with ultralow loss, Nanoscale 6 (6) (2014) 3243-3249

Yuanjun Yan, Li Fang Ng, Li Theng Ng, Kwan Bum Choi, Jan Gruber, Andrew A. Bettiol and Nitish V. Thakor, A continuous-flow C. elegans sorting system with integrated optical fiber detection and laminar flow switching,
Lab on a Chip 14 (2014) 4000-4006

B. del Rosal, C. Sun, Y. Yan, M.D. Mackenzie, C. Lu, A. A. Bettiol, A.K. Kar and D. Jaque, Flow effects in the laser-induced thermal loading of optical traps and optofluidic devices,
Optics Express Vol. 22, Issue 20, pp. 23938-23954 (2014)

Qiang An, Chen Cheng, Sudheer Vanga Kumar Andrew Bettiol and Feng Chen, Proton beam writing of chalcogenide glass: A new approach for fabrication of channel waveguides at telecommunication O and C bands,
Journal of Lightwave Technology 32 (2014) 3763-3767

Ee Jin Teo, Noriaki Toyoda, Chengyuan Yang, Andrew A. Bettiol and Jing Hua Teng, Nanoscale smoothing of plasmonic films and structures using gas cluster ion beam irradiation,
Applied Physics A 117 (2) (2014) 719-723

2013

Xiao Chen, Ce-Belle Chen, Chammika N. B. Udalagama, Minqin Ren, Kah Ee Fong, Lin Yue Lanry Yung, Pastorin Giorgia, Andrew Bettiol and Frank Watt, High-Resolution 3D Imaging and Quantification of Gold Nanoparticles in a Whole Cell Using Scanning Transmission Ion Microscopy, Biophysical Journal 104 (7) (2013) 1419-1425

Vanga Sudheer Kumar, Shuvan Prashant Turaga, Ee Jin Teo,
Andrew A. Bettiol, Fabrication of optical microresonators using proton beam writing, Microelectronic Engineering 102 (2013) 33-35

Jun Deng, Sajid Hussain, Vanga Sudheer Kumar, Wei Jia, Ching Eng Png, Lim Soon Thor, Andrew A. Bettiol, and Aaron J. Danner, Modeling and experimental investigations of Fano resonances in free-standing LiNbO3 photonic crystal slabs, Optics Express 21, Issue 3, 3243-3252 (2013)

F. Watt, X. Chen, C. Chen, C. N. B. Udalagama, J. A. van Kan, and
A. A. Bettiol, Whole cell structural imaging at 20nm resolutions using MeV ions, Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms 306 (2013) 6-11

C. Udalagama, X. Chen,
A. A. Bettiol, and F.Watt, An ion beam analysis software based on imagej, Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms 306 (2013) 59-63

Rattanaporn Norarat, Varpu Marjomki, Xiao Chen, Mi Zhaohong, Ren Minqin, Ce-Belle Chen,
Andrew Bettiol, Harry J Whitlow, and Frank Watt, Ion-induced fluorescence imaging of endosomes, Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms 306 (2013) 113-116

A. A. Bettiol, S. P. Turaga, Y. Yan, S. K. Vanga, and S. Y. Chiam, Three-dimensional metamaterials fabricated using proton beam writing, Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms 306 (2013) 271-274

S. K. Vanga and
A. A. Bettiol, Proton beam writing of three-dimensional microcavities, Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms 306 (2013) 281-283

Zhiya Dang, Agnieszka Banas, Sara Azimi, Jiao Song, Mark Breese, Yong Yao, Shuvan Prashant Turaga, Gonzalo Recio-Sanchez, Andrew Bettiol and Jeroen Van Kan, Silicon and porous silicon mid-infrared photonic crystals, Applied Physics A 112 (2013) 517-523

Watt, F., X. Chen, C. Ce-Belle, C. Udalagama, M. Ren, G. Pastorin and A. Bettiol, Fast Ion Beam Microscopy of Whole Cells, Cosmos 9 (2013) 1-10

Jianfeng Wu, Binghao Ng, Shuvan P. Turaga, Mark B. H. Breese, Stefan A. Maier, Minghui Hong,
Andrew A. Bettiol, and Herbert O. Moser, Free-standing terahertz chiral meta-foils exhibiting strong optical activity and negative refractive index, Applied Physics Letters 103 (2013) 141106

Yicun Yao, Feng Chen, Sudheer Kumar Vanga,
A. A. Bettiol, Chao Zhan, Proton or Helium ion beam written channel waveguides in Nd:YAG ceramics, Optical Materials 35 (2013) 2257-2260

Jianfeng Wu, Herbert O. Moser, Su Xu, Linke Jian, Agnieszka Banas, Krzysztof Banas, Hongsheng Chen, Andrew A. Bettiol, and Mark B. H. Breese, Functional multi-band thz meta-foils, Scientific Reports 3 (2013) 3531

2012

Ningning Dong, Yicun Yao, Yuechen Jia, Feng Chen, Sudheer Kumar Vanga, Andrew Anthony Bettiol, Qingming Lu, Buried channel waveguides in KTiOPO4 nonlinear crystal fabricated by focused He+ beam writing, Optical Materials 35 (2012) 184-186

C. Y. Yang, E. J. Teo, T. Goh, S. L. Teo, J. H. Teng and
A.A. Bettiol, Metal-assisted photonic mode for ultrasmall bending with long propagation length at visible wavelengths, Optics Express 20 (2012) 23898-23905

S. Azimi, M.B.H. Breese, Z.Y. Dang, Y. Yan, Y.S. Ow and
A. A. Bettiol, Fabrication of complex curved three-dimensional silicon microstructures using ion irradiation, Journal of Micromechanics and Microengineering 22 (2012) 015015

S. Homhuan, B. Zhang, F.-S. Sheu,
A. A. Bettiol and F. Watt, Single-cell electroporation using proton beam fabricated biochips, Biomedical Microdevices 14 (2012) 533-540

Tian-Cai Liu, Thorsten Wohland, Frank Watt,
Andrew Bettiol, Chammika Udalagama and Li-Ping Wang, A new technology for revealing the flow profile in integrated lab-on-a-chip, Medical Physics 39 (2012) 5060-5064

2011

Guangyuan Si, Aaron J. Danner, Siew Lang Teo, Ee Jin Teo, Jinghua Teng, and Andrew A. Bettiol, Photonic crystal waveguides with ultra-high aspect ratio in lithium niobate fabricated by focused ion beam milling, Journal of Vacuum Science and Technology B 29 (2011) 021205

Siew-Kit Hoi, Xiao Chen, Vanga S. Kumar, Sureerat Homhuan, Chorng-Haur Sow and
Andrew A. Bettiol, A microfluidic chip with integrated colloidal crystal for online optical analysis, Advanced Functional Materials 21 (2011) 2847-2853

A. Benayas, Ningning Dong, Feng Chen,
A. A. Bettiol, D. Jaque, Thermal optimization and erasing of Nd:YAG proton beam written waveguides, Optics Letters 36 (2011) 3278-3280

Yicun Yao, Ningning Dong, Feng Chen, Sudheer Kumar Vanga and
Andrew Anthony Bettiol, Proton beam writing of Nd:GGG crystals as new waveguide laser sources, Optics Letters 36 (2011) 4173-4175

Chen Xiao, Chammika NB Udalagama, Chen Ce-Belle,
Andrew Bettiol, Daniel Pickard and Frank Watt, Whole cell imaging using fast and slow helium ions, Biophysical Journal 101 (2011) 1788-1793

Yuanjun Yan, M. Ibnur Rashad, Ee Jin Teo, Hendrix Tanoto, Jinghua Teng and
Andrew A. Bettiol, Selective electroless silver plating of three dimensional SU-8 microstructures on silicon for metamaterials applications, Optical Materials Express 1 (2011) 1548-1554

J.A. van Kan, P. Malar, Armin Baysic De Vera, Chen Xiao,
A.A. Bettiol and F. Watt, Proton beam writing nanoprobe facility design and first test results, Nuclear Instruments and Methods in Physics Research A 645 (2011) 113-115

F. Watt, Xiao Chen, Armin Baysic De Vera, C. N. Udalagama, Ren Minqin, J. A. van Kan,
A. A. Bettiol, The Singapore high resolution single cell imaging facility, Nuclear Instruments & Methods in Physics Research B 269 (2011) 2168-2174

Jamie S. Laird, Jamie Wilkinson, Chris Ryan,
Andrew Bettiol, Hyperspectral Ionoluminescence System for Minerals and Fluid Inclusions, Nuclear Instruments & Methods in Physics Research B 269 (2011) 2244-2250

E.J. Teo,
A.A. Bettiol, B.Q. Xiong, Fabrication of smooth silicon optical devices using proton beam writing, Nuclear Instruments & Methods in Physics Research B 269 (2011) 2448-2451

Chammika Udalagama, E.J. Teo, S.F. Chan, V.S. Kumar, A.A. Bettiol, F. Watt, Proton beam writing of long, arbitrary structures for micro/nano photonics and fluidics applications, Nuclear Instruments & Methods in Physics Research B 269 (2011) 2417-2421