Search Results - "DAWES, Judith"

Upconversion luminescence with tunable lifetime in NaYF4:Yb,Er nanocrystals: role of nanocrystal size by Zhao, Jiangbo, Lu, Zhenda, Yin, Yadong, McRae, Christopher, Piper, James A, Dawes, Judith M, Jin, Dayong, Goldys, Ewa M

“…Despite recent achievements to reduce surface quenching in NaYF(4):Yb,Er nanocrystals, a complete understanding of how the nanocrystal size affects the…”
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Single-nanocrystal sensitivity achieved by enhanced upconversion luminescence by Zhao, Jiangbo, Jin, Dayong, Schartner, Erik P., Lu, Yiqing, Liu, Yujia, Zvyagin, Andrei V., Zhang, Lixin, Dawes, Judith M., Xi, Peng, Piper, James A., Goldys, Ewa M., Monro, Tanya M.

“…Upconversion nanocrystals convert infrared radiation to visible luminescence, and are promising for applications in biodetection 1 , 2 , 3 , bioimaging 4 , 5 ,…”
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Nanophotonics shines light on hyperbolic metamaterials by Aigner, Andreas, Dawes, Judith M., Maier, Stefan A., Ren, Haoran

“…Hyperbolic metamaterials with a unique hyperbolic dispersion relation allow propagating waves with infinitely large wavevectors and a high density of states…”
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Opal-templated films for optical strain sensing by Sitpathom, Nonthanan, Muangnapoh, Tanyakorn, Dawes, Judith M.

“…A polydimethylsiloxane film patterned by a self-assembled array has been demonstrated as a strain sensor. A monolayer of 580 nm polystyrene spheres prepared by…”
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Dopamine sensing and measurement using threshold and spectral measurements in random lasers by Wan Ismail, Wan Zakiah, Liu, Guozhen, Zhang, Kai, Goldys, Ewa M, Dawes, Judith M

“…We developed a novel dopamine sensing and measurement technique based on aggregation of gold nanoparticles in random lasers. Dopamine combined with copper ions…”
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Asia-Pacific Optical Sensors Conference: focus issue introduction by McGoverin, Cushla, Vanholsbeeck, Frédérique, Dawes, Judith M., Mizuno, Yosuke, Fan, Xinyu

“…This feature issue of Optics Express contains 17 articles expanding on recent advances in optical sensors presented at the eighth Asia-Pacific Optical Sensors…”
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Channel Waveguides in Lithium Niobate and Lithium Tantalate by Lu, Yi, Johnston, Benjamin, Dekker, Peter, Withford, Michael J, Dawes, Judith M

“…Low-loss photonic waveguides in lithium niobate offer versatile functionality as nonlinear frequency converters, switches, and modulators for integrated…”
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Correction: Nanophotonics shines light on hyperbolic metamaterials by Aigner, Andreas, Dawes, Judith M., Maier, Stefan A., Ren, Haoran

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Synthesis and Characterization of Silver-Gold Bimetallic Nanoparticles for Random Lasing by Ismail, Wan Zakiah Wan, Dawes, Judith M

“…We developed rough silver-gold bimetallic nanoparticles for random lasing. Silver nanoparticles were synthesized based on a citrate-reduction method and the…”
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Liquid-Phase Epitaxial Growth and Characterization of Nd:YAl3(BO3)4 Optical Waveguides by Lu, Yi, Dekker, Peter, Dawes, Judith

“…We investigated the fabrication of neodymium doped thin film optical waveguide-based devices as potential active sources for planar integrated optics…”
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Tuning higher order electric field resonances in plasmonic hexagonal arrays by oxygen-plasma treatment by Sitpathom, Nonthanan, Dawes, Judith M., Osotchan, Tanakorn, Kumnorkaew, Pisist, Suwanna, Sujin, Sinsarp, Asawin, Muangnapoh, Tanyakorn

“…Experimental and simulation studies show that a hexagonal array of polystyrene particles on a gold substrate, capped with gold semi-shells, results in…”
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Practical Implementation, Characterization and Applications of a Multi-Colour Time-Gated Luminescence Microscope by Zhang, Lixin, Zheng, Xianlin, Deng, Wei, Lu, Yiqing, Lechevallier, Severine, Ye, Zhiqiang, Goldys, Ewa M., Dawes, Judith M., Piper, James A., Yuan, Jingli, Verelst, Marc, Jin, Dayong

“…Time-gated luminescence microscopy using long-lifetime molecular probes can effectively eliminate autofluorescence to enable high contrast imaging. Here we…”
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Femtosecond laser modification of fused silica: the effect of writing polarization on Si-O ring structure by Little, Douglas J, Ams, Martin, Dekker, Peter, Marshall, Graham D, Dawes, Judith M, Withford, Michael J

“…A femtosecond laser with a 1 kHz repetition rate and two different polarization states was used to fabricate low-loss waveguides in fused silica…”
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Shortcuts to adiabaticity in waveguide couplers-theory and implementation by Taras, Adam K., Tuniz, Alessandro, Bajwa, Musawer A., Ng, Vincent, Dawes, Judith M., Poulton, Christopher G., De Sterke, C. Martijn

“…Adiabatic processes are ubiquitous in physics and engineering. A drawback of such processes is that they tend to be slow, either in time-for atomic systems,…”
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Extended emission wavelength of random dye lasers by exploiting radiative and non-radiative energy transfer by Wan Ismail, Wan Zakiah, Goldys, Ewa M., Dawes, Judith M.

“…We demonstrate long-wavelength operation (>700 nm) of random dye lasers (using a methylene blue dye) with the addition of rhodamine 6G and titania, enabled by…”
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Quantifying light energy from 450 nm, 650 nm, 810 nm, and 980 nm wavelength lasers delivered through dental hard tissue by Chan, Alex Simon, Chan, Adam G., Dawes, Judith M., Chan, Andrew Jonathan, Chan, Ambrose

“…Purpose The energy available to treat the dental pulp after transmittance through overlying structures is clinically important for determining photobiological…”
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A 1064 nm, 1085 nm Dual-Wavelength Nd:YVO4 Laser Using Fabry-Perot Filters as Output Couplers by Wang, Xiao-Zhong, Wang, Zhong-Fa, Bu, Yi-Kun, Liu, Zhe, Chen, Lu-Jian, Cai, Guo-Xiong, Cai, Zhi-Ping, Dawes, Judith M.

“…We propose and demonstrate a 1064- and 1085-nm dual-wavelength coupled-cavity Nd:YVO 4 laser by exploiting two dielectric Fabry-Perot bandpass filters as laser…”
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Enhancement of Random Laser Properties on Solid Polymer Films by Increasing Scattering Effect by Ismail, Wan Zakiah Wan, Kamil, Wan Maryam Wan Ahmad, Dawes, Judith M.

“…We study the properties of solid-based random lasers by observing spectral emission shape, emission intensity, emission line width, and lasing threshold…”
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Digital waveguide adiabatic passage part 2: experiment by Ng, Vincent, Vaitkus, Jesse A, Chaboyer, Zachary J, Nguyen, Thach, Dawes, Judith M, Withford, Michael J, Greentree, Andrew D, Steel, M J

“…Using a femtosecond laser writing technique, we fabricate and characterise three-waveguide digital adiabatic passage devices, with the central waveguide…”
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Growth and characterization of lithium niobate planar waveguides by liquid phase epitaxy by Lu, Yi, Dekker, Peter, Dawes, Judith M.

“…Single crystal thin films of Yb, Zn: LiNbO 3 have been grown on LiNbO 3 substrates using liquid phase epitaxy with K 2 O flux. The segregation coefficients…”
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