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209:. Dawes developed the framework to create and characterise opals, inverse opals and opals that include waveguides for photonic devices. Dawes uses the waveguides for pump- probe measurements, in an effort to make efficient optical amplifiers for photonic chips. She also demonstrated that metal opals could be used for
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Dawes became a Senior
Lecturer at Macquarie University in 1995. She was promoted to Associate Professor in 2001, and Professor in 2016. Dawes is the Director of the MQ Photonics Research Centre, a Macquarie University Research Centre for optics and photonics. Her research considers the
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Dawes chairs the
Macquarie University Faculty of Science and Engineering Women in STEM committee, is an elected member of the University Senate, and was elected to the Executive of Science and Technology Australia. She served as president of the
254:. She found that lifetime variance is reduced for nitrogen-vacancy centers, which is not related to the size of the nanodiamond particles. The lifetime of these species appears to depend on the curvature of the substrate.
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material life silver, and allowing the coated spheres to self-assemble into an opal, makes it possible to generate a complete band gap opal. To establish the impact of periodic environments on the emission profiles of
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with the general public. This included a photonics simulator, which was developed to help students build and communicate using optical networks, a laser maze and a series of programs for high school students.
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that include colour centres. In general, Dawes creates the opals using self-assembly, starting with a suspension of polystyrene or microsphere of silica. It is important that the silica microspheres are
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148:. She studies the interactions of light at the nanoscale and the applications of lasers in sensing. She is a former president of the Australian Optical Society, and a Fellow of
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Dawes grew up in a family of scientists, and became interested in the way that atoms form molecules. She studied chemistry, physics and mathematics at the
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233:, and this is achieved during the Stober synthesis. To make inverse opals, Dawes creates polystyrene opals, and then infiltrates them using silica
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Dawes, Judith M.; Williams, Robert; Johnston, Benjamin; Jovanovic, Nemanja; Madden, Kali; Campbell, Sam; Strickland, Adam (2009).
237:. The remaining structures are baked at high temperatures to remove traces of polystyrene. By coating the microsphere with a high
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in 2010–2012, and was Head of
Department of Physics and Astronomy from 2013 to 2015. In 2018 Dawes was appointed Fellow of the
264:(CUDOS). In her role at CUDOS she worked with the Optica student chapter to develop outreach activities to share their work in
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in nanodiamonds, Dawes deposited them on the surfaces of her fabricated opals. Placing them in these periodic environments, or
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213:. She has used self-assembly to encourage the fabrication of large area opals without cracks. These cracks appear during
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377:"Upconversion luminescence with tunable lifetime in NaYF4:Yb,Er nanocrystals: role of nanocrystal size"
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Dawes, Judith (2013). "Single-nanocrystal sensitivity achieved by enhanced upconversion luminescence".
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Dawes developed Yb:YAB, a new laser material. She also worked on a new laser-cured protein solder for
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205:. In these crystals, visible light cannot pass through large thicknesses, which is the basis of the
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Withford, Michael; Dawes, Judith; Rabeau, James R.; Zhai, Yan-Hua; Stewart, Luke
Alexander (2008).
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the opals with nanodiamonds, decreases the lifetime of the emitting species until they became
300:, and in 2019 a Fellow of Optica. She has been featured in the SPIE Women in Optics planner.
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The photonic crystals developed by Dawes can include rare earth ion optical emitters and
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312:"Ytterbium-doped silica fiber lasers: versatile sources for the 1-1.2 /spl mu/m region"
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Withford, Michael; Dawes, Judith; Stewart, Luke
Alexander; Ek, Sara (2008).
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growth mechanism to encourage growth separately from solvent evaporation.
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731:"Laser Fest @ Macquarie Uni, including Public Talk by Prof Hans Bachor"
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431:"Celebrating our STEM leaders this International Women's Day"
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Centre for
Ultrahigh Bandwidth Devices for Optical Systems
176:. She earned her doctoral degree in 1988. She joined the
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IEEE Journal of
Selected Topics in Quantum Electronics
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84:
77:
782:"Judith Dawes on Juggling Leadership and Teaching"
197:characterisation of absorption and emission in 3D
180:and Optica as a student in 1984. Dawes joined the
555:"Artificial Opals for Photonic Crystal Devices"
140:is an Australian physicist who is Professor of
591:"Controlling emission in diamond doped opals"
8:
276:, as well as thin film wave guides grown by
806:acnc_charity_api_user (29 September 2018).
184:as a postdoctoral researcher, and moved to
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682:"Photonic simulator stimulates learning"
878:"Judith Dawes | Women in Optics | SPIE"
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919:Academic staff of Macquarie University
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729:Webmaster, A. S. C. (26 August 2010).
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217:, and can be eliminated using a bi-
16:Australian physicist and researcher
526:"Chief Investigator: Judith Dawes"
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735:Australian Science Communicators
435:Science and Technology Australia
156:(formerly the Optical Society).
25:
924:University of Rochester alumni
1:
853:"Judith Dawes – Prizes"
626:"Chief Investigator Profiles"
944:Australian women physicists
934:Fellows of Optica (society)
929:University of Sydney alumni
259:Australian Research Council
960:
294:Australian Optical Society
178:American Physical Society
172:Foundation Fellow at the
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244:nitrogen-vacancy centers
160:Early life and education
174:University of Rochester
93:University of Rochester
40:, as no other articles
705:"High School Outreach"
703:Office, Publications.
654:Office, Publications.
606:Cite journal requires
570:Cite journal requires
375:Dawes, Judith (2013).
360:10.1038/nnano.2013.171
310:Dawes, Judith (1995).
304:Selected publications
252:single-photon sources
182:University of Toronto
122:University of Toronto
857:Macquarie University
686:Macquarie University
656:"Photonic Simulator"
461:Macquarie University
186:Macquarie University
170:Rotary International
166:University of Sydney
146:Macquarie University
126:Macquarie University
89:University of Sydney
780:Robinson, Rebecca.
393:2013Nanos...5..944Z
352:2013NatNa...8..729Z
331:10.1109/2944.468377
192:Research and career
837:has generic name (
401:10.1039/C2NR32482B
59:for suggestions.
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482:"Judith M. Dawes"
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278:liquid phase
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168:. She was a
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118:Institutions
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79:Judith Dawes
64:October 2019
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835:|last=
903:Categories
760:STEM Women
417:References
102:Photonics
55:; try the
42:link to it
887:16 August
862:16 August
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639:17 August
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441:17 August
381:Nanoscale
266:photonics
219:capillary
215:annealing
201:known as
188:in 1991.
45:. Please
882:spie.org
827:cite web
692:: 18–19.
409:23223581
368:23995455
389:Bibcode
348:Bibcode
281:epitaxy
235:sol-gel
142:Physics
635:. 2011
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248:doping
154:Optica
38:orphan
36:is an
633:CUDOS
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315:(PDF)
203:opals
105:Opals
889:2019
864:2019
839:help
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612:help
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