Turpin, A. , Loiko, Y. V., Kalkandjiev, T. K., Trull, J., Cojocaru, C. and Mompart, J. (2013) Type I and type II second harmonic generation of conically refracted beams. Optics Letters, 38(14), pp. 2484-2486. (doi: 10.1364/OL.38.002484) (PMID:23939088)
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Abstract
Type I and type II second harmonic generation (SHG) of a beam transformed by the conical refraction phenomenon are presented. We show that, for type I, the second harmonic intensity pattern is a light ring with a point of null intensity while, for type II, the light ring possesses two dark regions. Taking into account the different two-photon processes involved in SHG, we have derived analytical expressions for the resulting transverse intensity patterns that are in good agreement with the experimental data. Finally, we have investigated the spatial evolution of the second harmonic signals, showing that they behave as conically refracted beams.
| Item Type: | Articles |
|---|---|
| Additional Information: | The authors gratefully acknowledge financial support through Spanish MICINN contracts FIS2010-10004-E and FIS2011-23719, and the Catalan Government contract SGR2009-00347. A. Turpin acknowledges financial support through grant AP2010-2310 from the MICINN. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Turpin, Dr Alejandro |
| Authors: | Turpin, A., Loiko, Y. V., Kalkandjiev, T. K., Trull, J., Cojocaru, C., and Mompart, J. |
| College/School: | College of Science and Engineering > School of Computing Science |
| Journal Name: | Optics Letters |
| Publisher: | Optical Society of America |
| ISSN: | 0146-9592 |
| ISSN (Online): | 1539-4794 |
| Published Online: | 09 July 2013 |
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