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Home>profiles>johnpage

John Page

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John Page
Condensed Matter
Distinguished Professor Emeritus
204 474 9852
John.Page@umanitoba.ca

Research and Teaching Interests

Prof. Page leads the Ultrasonics Research Group, which studies the properties of waves in complex materials with interesting internal structures. Waves in such materials can behave in intriguing ways, which are radically different to normal expectations, and which can be explored with remarkable precision using innovative ultrasonic techniques. His interests range from the discovery of novel wave phenomena in acoustic metamaterials and mesoglasses, to new ultrasonic methods for measuring the structure and dynamics of more commonly encountered materials such as foods.

Research Highlight

Refraction in singly and doubly negative acoustic metamaterials containing air bubbles in a gel.  When the bubbles are randomly positioned, only normal refraction is observed (left), but when the bubbles are arranged in pairs at a fixed separation, the beam is negatively refracted at frequency w2 (lower right).  [Lanoy et al, Phys. Rev. B 96, 220201(R) (2017)].

Links

http://www2.physics.umanitoba.ca/u/jhpage/

2017

1. M. Lanoy, J. H. Page, G. Lerosey, F. Lemoult, A. Tourin and V. Leroy, “Acoustic double negativity induced by position correlations within a disordered set of monopolar resonators”, Phys. Rev. B Rapid Communications, 96, 220201(R) (2017).

2. B. Tallon, T. Brunet and J.H. Page, “Impact of Strong Scattering Resonances on Ballistic and Diffusive Wave Transport”, Phys. Rev. Lett., 119, 164301 (2017).

2016

3. L. A. Cobus, S. E. Skipetrov, A. Aubry, B. A. van Tiggelen, A. Derode, and J. H. Page, “Anderson mobility gap probed by dynamic coherent backscattering”, Physical Review Letters, 116, 193901 (2016).

2015

4. Valentin Leroy, Anatoliy Strybulevych, Maxime Lanoy, Fabrice Lemoult, Arnaud Tourin, and John H Page, “Super-Absorption of Acoustic Waves with Bubble Meta-Screens”, Physical Review B (Rapid Communications), 91, 020301(R) (2015).

2008

5. H. Hu, A. Strybulevych, J.H. Page, S.E. Skipetrov and B.A. van Tiggelen, “Localization of ultrasound in a three-dimensional elastic network”, Nature Physics, 4, 945-948, (2008).

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