Bettiol Group

Department of Physics, National University of Singapore

2014

Ee Jin Teo, Noriaki Toyoda, Chengyuan Yang, Bing Wang, Nan Zhang, Andrew A. Bettiol, and Jinghua Teng, Enhanced plasmonic performance in ultrathin silver structures using gas cluster ion beam irradiation, Conference on Lasers and Electro-Optics and Quantum Electronics and Laser Science Conference (CLEO/QELS 2014) , page FF1K.2 , 2014

Shuvan Prashant Turaga, Jianfeng Wu, Agnieszka Banas, Krzysztof Banas, and Andrew A. Bettiol. Conductively coupled resonator scheme for dispersive transparency in metamaterials. Proceedings of SPIE - The International Society for Optical Engineering , 9275:92750A , 2014 . Infrared, Millimeter-Wave, and Terahertz Technologies III, 11 NOV 2014

Shuvan Prashant Turaga, Kwan Bum Choi, Yuanjun Yan, and Andrew A. Bettiol. Tailoring fabrication parameters of silver helical metamaterials for enhanced polarization properties in terahertz regime. Proceedings of SPIE - The International Society for Optical Engineering , 9275:927507 , 2014 . Infrared, Millimeter-Wave, and Terahertz Technologies III, 11 NOV 2014.


2013

Jun Deng, Vanga S. Kumar, Hongwei Gao, Ching Eng J. Png, Ning Xiang, Andrew A. Bettiol, Aaron J. Danner, Free-standing monolithic LiNbO3 photonic crystal slabs, Proc. SPIE. 8632, Photonic and Phononic Properties of Engineered Nanostructures III 86320H (February 21, 2013)

2012

Sudheer Kumar Vanga, Shuvan Prashant Turaga, Ee Jin Teo, and Andrew Bettiol, Optical microcavities fabricated using direct proton beam writing, Proc. SPIE. 8249, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics V 824918 (February 9, 2012)

Andrew A. Bettiol, Yuanjun Yan, Ee Jin Teo, Hendrix Tanoto, and Jinghua Teng, Radio frequency plasma pre-treatment for selective electroless Ag coating of three-dimensional SU-8 microstructures, Proc. SPIE. 8249, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics V 824916 (February 9, 2012)

Deng Jun, Jia Wei, V.S. Kumar, Ching Eng Png
A.A Bettiol, and A.J. Danner, Photonic crystals in proton-exchanged LiNbO3 waveguides for photonic applications, 2012 Photonics Global Conference (PGC 2012), 2012

2010

E.J. Teo, B.Q. Xiong, M.B.H. Breese and A.A. Bettiol, A silicon-based technology for the fabrication of smooth optical devices, 2010 Photonics Global Conference (PGC 2010), (5705940) 2010

S. Guangyuan, Teo Ee Jin, D. Jun,
A.A Bettiol, T Jinghua and A.J. Danner, Improved profiles of photonic crystals in Lithium Niobate by truncating tapered bottoms, 2010 Photonics Global Conference (PGC 2010), (5706011) 2010

Yuanjun Yan and
A.A. Bettiol, Selective electro-less plating of SU-8 microstructures fabricated using two-photon polymerization, 2010 Photonics Global Conference (PGC 2010), (5705980), 2010

S. Homhuan, B. Zhang, F.-S. Sheu,
A. A. Bettiol and F. Watt, Single cell electroporation using proton beam fabricated biochips, Proc. SPIE. 7716, Micro-Optics 2010 77160V (April 30, 2010)

E. J. Teo, P. Yang, B. Q. Xiong, M. B. H. Breese, G. Z. Mashanovich, Y. S. Ow, G. T. Reed and
A. A. Bettiol, Novel types of silicon waveguides fabricated using proton beam irradiation, Proc. SPIE. 7606, Silicon Photonics V 76060M (February 11, 2010)

Andrew A. Bettiol, Ee Jin Teo, Shuvan Prashant, Xiong Boqian and M. B. H. Breese, Fabrication of porous silicon channel waveguides with multilayer Bragg cladding, Proc. SPIE. 7606, Silicon Photonics V 76060K (February 11, 2010)

Siew-Kit Hoi, Chammika Udalagama, Chorng-Haur Sow and
Andrew A. Bettiol, Microfluidic sorting system based on optical force switching Proc. SPIE. 7593, Microfluidics, BioMEMS, and Medical Microsystems VIII 759313 (February 11, 2010)

Sher-Yi Chiam, R. Singh, C. Rockstuhl, F. Lederer, W. Zhang and
A.A. Bettiol, Electromagnetically induced transparency in a terahertz metamaterial, 2010 Conference on Lasers and Electro-Optics (CLEO), 5499656, 2010

2009

Chiam, Sher-Yi, Bahou, Mohammed, Moser, Herbert O., Gu,Jianqiang, Singh, Ranjan, Zhang, Weili, Han, Jiaguang and Bettiol, Andrew A, High Aspect ratio metamaterials for enhanced tunability and sensitivity, 2009 Conference on Lasers and Electro-Optics (CLEO)

2008

J. A. van Kan, F. Zhang, A. A. Bettiol, and F. Watt, Proton beam writing: a platform technology for nano-integration, Proc. SPIE 6921, 69210K (2008)

E. J. Teo,
A. A. Bettiol, M. B. H. Breese, P. Y. Yang, G. Z. Mashanovich, W. R. Headley, G. T. Reed, and D. J. Blackwood, An all-silicon channel waveguide fabricated using direct proton beam writing, Proc. SPIE 6898, 68980Q (2008)

Sher-Yi Chiam, Jiaguang Han, Ranjan Singh, Weili Zhang, Thomas Osipowicz, and
Andrew A. Bettiol, Spectral properties of thick split ring resonators in the THz regime, Proc. SPIE 6893, 68930A (2008)

C. N. B. Udalagama, S. F. Chan, S. Homhuan,
A. A. Bettiol, T. Wohland, and F. Watt, Fabrication of integrated channel waveguides in polydimethylsiloxane (PDMS) using proton beam writing (PBW): applications for fluorescence detection in microfluidic channels, Proc. SPIE 6882, 68820D (2008)

G. Z. Mashanovich, S. Stankovic, P. Y. Yang, E. J. Teo, F. Dell'Olio, V. M. N. Passaro,
A. A. Bettiol, M. B. H. Breese, and G. T. Reed, Silicon waveguides for the mid-infrared wavelength region, Proc. SPIE 6898, 68980T (2008)

2007

William R. Headley, Graham T. Reed, Goran Z. Mashanovich, Branislav Timotijevic, Frederic Y. Gardes, David Thomson, Pengyuan Yang, Ee-Jin Teo, Daniel J. Blackwood, Mark B. H. Breese, Andrew A. Bettiol, and Peter Waugh, Future prospects for silicon photonics, Proc. SPIE 6593, 65931I (2007)

G. T. Reed, P. Y. Yang, W. R. Headley, P. M. Waugh, G. Z. Mashanovich, D. Thomson, R. M. Gwilliam, E. J. Teo, D. J. Blackwood, M.B. H. Breese, and
A. A. Bettiol, Novel fabrication techniques for silicon photonics, Proc. SPIE 6477, 64770E (2007)

2006

M. B. H. Breese, D. Mangaiyarkarasi, E. J. Teo, A. A. Bettiol, and D. Blackwood, Micro-patterned porous silicon using proton beam writing, AIP Conf. Proc. 866 (2006) 269-274

A. A. Bettiol, E. J. Teo, C. N. B. Udalagama, S. Venugopal Rao, J. A. van Kan, P. G. Shao, and F. Watt, Integrating photonic and microfluidic structures on a device fabricated using proton beam writing, Proc. SPIE 6186, 61860F (2006)

E. J. Teo, M. B. H. Breese, A. A. Bettiol, F. Champeaux, and D. J. Blackwood, Patterning light emitting porous silicon using helium beam irradiation Proc. SPIE 6183, 618312 (2006)


2005

E. J. Teo, M. B. H. Breese, D. Mangaiyarkarasi, A. A. Bettiol, F. Champeaux, F. Watt and D. J. Blackwood, Proton beam writing in silicon, Proceedings of the IAEA International Symposium on Utilization of Accelerators 5-9 June (2005) Dubrovnik, Croatia

A.A. Bettiol, T.C. Sum, S. Venugopal Rao, V.I.T.A. Lohmann, J.A. van Kan and F. Watt, Fabrication of Polymeric Photonic Structures using Proton Beam Writing, Proceedings of the IAEA International Symposium on Utilization of Accelerators 5-9 June (2005) Dubrovnik, Croatia


2004

D.J. Blackwood, E.J. Teo, M.B.H. Breese and A.A. Bettiol, Three-dimensional microstructures in silicon via the combination of light-ion beam writing and electrochemical etching, Electrochemical Society Proceedings, v 9, Microfabricated Systems and MEMS VII - Proceedings of the International Symposium (2004) p 108-116

J. A. van Kan, A. A. Bettiol, K. Ansari, P. Shao and F. Watt, Improvement in Proton Beam Writing at the nano scale, Proceedings of the 17th IEEE International Conference on Micro Electro Mechanical Systems, (2004) 673-676

Fabrication of silicon microstructures using a high-energy ion beam Ee Jin Teo, Minghui Liu, Mark B. H. Breese, Emmanuel P. Tavernier, Andrew A. Bettiol, Daniel J. Blackwood, and Frank Watt, Proc. SPIE 5347, 264 (2004)

Tze Chien Sum, Andrew A. Bettiol, Soma Venugopal Rao, Jeroen A. van Kan, Akkipeddi Ramam, and Frank Watt, Proton beam writing of passive polymer optical waveguides Proc. SPIE 5347, 160 (2004)

Fabrication of micro-optical components in polymer using proton beam writing Andrew A. Bettiol, Kambiz Ansari, Tze Chien Sum, Jeroen A. van Kan, and Frank Watt, Proc. SPIE 5347, 255 (2004)


2003

K. Liu, E. Y. B. Pun, T. C. Sum, A. A. Bettiol, J. A. van Kan and F. Watt, Waveguide amplifiers in Er3+-Yb3+ co-doped phosphate glasses written with focused proton beam, Proceeding of the 4th IEEE Hong Kong AP/MTT and LEOS Postgraduate Conference, pp.81-84, Oct. 18, 2003.

K. Liu, E. Y. B. Pun, T. C. Sum, A. A. Bettiol, J. A. van Kan, and F. Watt, Erbium doped waveguide amplifier fabricated using focused proton beam irradiation, Proceeding of the 16th Annual Meeting IEEE Lasers and Eletro-Optics Society (LEOS), Vol. 1, pp.132-133, Tucson, AZ, USA, 2003.

J.A. van Kan, A.A. Bettiol and F. Watt, Proton Beam Nano-Machining: End Station Design and Testing, Mat. Res. Soc. Symp. Proc. Vol. 777 (2003) T2.1.1-T21.10

E. J. Teo, A.A. Bettiol, T. Osipowicz, M.S. Hao, S.J. Chua, Y. Y. Liu, Yellow Luminescence Imaging Of Epitaxial Lateral Overgrown GaN Using Ionoluminescence, Mater. Res. Soc. Symp. Proc. Vol. 738, (2003), G7.4.1-G7.4.6


2002

Jeroen A. van Kan, Istvan. Rajta, Andrew A. Bettiol and Frank Watt, Proton Beam Nano-machining: A new 3D nano lithographic technique, Proceedings of the 13th Micromechanics Europe Workshop (2002) pages 71-74

2001

J.A. van Kan, A.A. Bettiol, K. Ansari and F. Watt, Micromachining using a focused MeV proton beam for the production of high precision 3D microstructures with vertical sidewalls of high orthogonality, Proceedings of SPIE Vol. 4343, 466-472, (2001)

1995

P.S. Weiser, S. Prawer, K.W. Nugent, A.A. Bettiol, L.I. Kostidis, S.P. Dooley and D.N. Jamieson, The effect of ion-beam induced strain on the nucleation density of chemical vapour deposited diamond, Proceedings of the 9th International conference on ion beam modification of materials, Canberra, Australia February 1995.