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193 nm ArF laser ablation and patterning of chitosan thin films (2018)
Journal Article
Aesa, A., & Walton, C. (2018). 193 nm ArF laser ablation and patterning of chitosan thin films. Applied physics. A, Materials science & processing, 124(6), doi:10.1007/s00339-018-1859-z

This paper reports laser ablation studies on spin coated bio polymer chitosan films, β-l,4-1inked 2-amino-2-deoxy-D-glucopyranose. Chitosan has been irradiated using an ArF laser emitting at 193 nm. An ablation threshold of FT = 858 mJcm-2 has been... Read More

Photothermal colloid antibodies for shape-selective recognition and killing of microorganisms (2013)
Journal Article
Borovička, J., Metheringham, W. J., Madden, L. A., Walton, C. D., Stoyanov, S. D., & Paunov, V. N. (2013). Photothermal colloid antibodies for shape-selective recognition and killing of microorganisms. Journal of the American Chemical Society, 135(14), (5282-5285). doi:10.1021/ja400781f. ISSN 0002-7863

We have developed a class of selective antimicrobial agents based on the recognition of the shape and size of the bacterial cells. These agents are anisotropic colloid particles fabricated as negative replicas of the target cells which involve templa... Read More

Inscription of fibre Bragg gratings in non-sensitised fibres using VUV F2 laser radiation (2008)
Journal Article
Dyer, P. E., Johnson, A. M., & Walton, C. D. (2008). Inscription of fibre Bragg gratings in non-sensitised fibres using VUV F2 laser radiation. Optics express, 16(23), 19297-19303. doi:10.1364/OE.16.019297

We report the inscription of fibre Bragg gratings in non-sensitised SMF 28 and HI 980 fibre by exposure to VUV F2 laser radiation at 157nm. The modulated effective refractive index change Δneff deduced from the shift in the grating reflection peaks w... Read More

Ionization in vacuum ultraviolet F2 laser ablated polymer plumes (2007)
Journal Article
Dyer, P. E., Pervolaraki, M., Walton, C. D., Lippert, T., Kuhnke, M., & Wokaun, A. (2008). Ionization in vacuum ultraviolet F2 laser ablated polymer plumes. Applied physics. A, Materials science & processing, 90(3), 403-409. doi:10.1007/s00339-007-4341-x

An experimental investigation of ion generation in the 157-nm vacuum ultraviolet (VUV) F-2 laser ablation of three selected polymers - glycidyl azide polymer (GAP), a triazene polymer (TP6) and polyimide - is described. An ion collector probe is used... Read More