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Qi Hao, Xiuhua Fu, Shigeng Song, Des Gibson, Cheng Li, Hin On Chu and Yongjing Shi
TiO2 deposition using separate regions for sputtering and oxidation is not well investigated. We optimized process parameter for such as oxygen flow and microwave power to produce high quality TiO2 filters for Stereo/3D imaging applications. This deposit...
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Artur Wiatrowski, Michal Mazur, Agata Obstarczyk, Damian Wojcieszak, Danuta Kaczmarek, Jerzy Morgiel and Des Gibson
In this paper, a comparison of TiO2 thin films prepared by magnetron sputtering with a continuous and pulsed gas flow was presented. Structural, surface, optical, and mechanical properties of deposited titanium dioxide coatings were analyzed with the use...
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Pinggui Wang, Xiuhua Fu, Des Gibson, Lewis Fleming, Sam Ahmadzadeh, Cheng Li, Manu Muhiyudin, Shigeng Song, David Hutson, David Moodie, Calum MacGregor and Matthew Steer
In this work, performance improvements are described for a low-power consumption non-dispersive infrared (NDIR) methane (CH4) gas sensor using customised optical thin film bandpass filters (BPFs) centered at 3300 nm. BPFs shape the spectral characteristi...
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Bing Hui, Xiuhua Fu, Des Gibson, David Child, Shigeng Song, Lewis Fleming, Guntis Rutins, Hin On Chu, Caspar Clark and Stuart Reid
A hollow cathode plasma source has been operated automatically, demonstrating independent control of plasma ion energy and ion current density for plasma ion-assisted electron beam-deposited titania (TiO2). The lanthanum hexaboride hollow cathode design ...
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Hin On Chu, Shigeng Song, Cheng Li and Des Gibson
Surface Enhanced Raman Spectroscopy presents a rapid, non-destructive method to identify chemical and biological samples with up to single molecule sensitivity. Since its discovery in 1974, the technique has become an intense field of interdisciplinary r...
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Caspar Clark, Riccardo Bassiri, Iain W. Martin, Ashot Markosyan, Peter G. Murray, Des Gibson, Sheila Rowan and Martin M. Fejer
The dielectric thin-?lm coating on high-power optical components is often the weakest region and will fail at elevated optical ?uences. A comparison of single-layer coatings of ZrO2, LiF, Ta2O5, SiN, and SiO2 along with anti-re?ection (AR) coatings optim...
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