Emergence of structural anisotropy in optical glasses treated to support second harmonic generation
Cabrillo, C., Cuello, G.J., García-Fernández, P., Bermejo, F.J., Pruneri, V., Kazansky, P.G., Bennington, S.M. and Howells, W.S. (1998) Emergence of structural anisotropy in optical glasses treated to support second harmonic generation. Physical Review Letters, 81, (20), 4361-4364. (doi:10.1103/PhysRevLett.81.4361).
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Description/Abstract
Structural alterations in v-SiO2 induced by "thermal poling", a treatment which makes the glass able to double the frequency of an impinging infrared light, are revealed by neutron diffraction as a breakdown of the macroscopic isotropy. This leads to concomitant changes in the vibrational density of states measured by inelastic neutron scattering. The observations are found to be consistent with the emergence of partial ordering within the glassy matrix along the direction of an electrostatic field applied during the poling treatment.
| Item Type: | Article |
|---|---|
| ISSNs: | 0031-9007 (print) 1079-7114 (electronic) |
| Related URLs: | |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 77839 |
| Date Deposited: | 11 Mar 2010 |
| Last Modified: | 30 Apr 2013 14:05 |
| Contributors: | Cabrillo, C. (Author) Cuello, G.J. (Author) García-Fernández, P. (Author) Bermejo, F.J. (Author) Pruneri, V. (Author) Kazansky, P.G. (Author) Bennington, S.M. (Author) Howells, W.S. (Author) |
| Date: | 1998 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/77839 |
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