Reference : Nonlinear optical properties of Rb2ZnCl4 in the incommensurate and ferroelectric phases
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/13493
Nonlinear optical properties of Rb2ZnCl4 in the incommensurate and ferroelectric phases
English
Sanctuary, Roland mailto [Laboratory of Solid State Physics, Swiss Federal Institute of Technology, Eidgenössische Technische HochschuleHönggerberg, 8093-Zürich, Switzerland]
Jundt, D. [> >]
Baumert, J. [> >]
Gunter, P. [> >]
1985
Physical Review. B, Condensed Matter and Materials Physics
American Physical Society
32
3
1649-1660
Yes (verified by ORBilu)
1098-0121
1550-235X
Woodbury
NY
[en] Nonlinear optical properties of Rb2ZnCl4 are measured for the incommensurate and ferroelectric phases by means of second-harmonic generation experiments. In the temperature range of the ferroelectric lock-in phase, the nonlinear optical coefficients d33, d32, and d24 and the Miller coefficients are determined using the wedge technique and are shown to be proportional to the spontaneous polarization. In the incommensurate phase of Rb2ZnCl4, the order of magnitude of the second-harmonic intensity corresponding to nonlinear optical coefficients allowed by the local point-group symmetry is estimated to be at least 107 times smaller than the second-harmonic intensity generated in quartz and thus difficult to detect. Furthermore, it is shown that quasi-phase-matching of the fundamental and second-harmonic waves in the incommensurate phase is limited to a very small temperature range of TC
http://hdl.handle.net/10993/13493
10.1103/PhysRevB.32.1649
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=9937210

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