| Numéro |
J. Phys. IV France
Volume 04, Numéro C7, Juillet 1994
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique |
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|---|---|---|
| Page(s) | C7-393 - C7-396 | |
| DOI | https://doi.org/10.1051/jp4:1994792 | |
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique
J. Phys. IV France 04 (1994) C7-393-C7-396
DOI: 10.1051/jp4:1994792
Photothermal and Optoelectronic Diagnostics Laboratory Department of Mechanical Engineering, University of Toronto, Toronto, Canada, M5S 1A4
© EDP Sciences 1994
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique
J. Phys. IV France 04 (1994) C7-393-C7-396
DOI: 10.1051/jp4:1994792
Absolute non-radiative energy conversion efficiency spectra in Ti3+ : Al 2O 3crystals measured by non-contact quadrature photopyroelectric spectroscopy
A. Mandelis, J. Vanniasinkam and S. BuddhuduPhotothermal and Optoelectronic Diagnostics Laboratory Department of Mechanical Engineering, University of Toronto, Toronto, Canada, M5S 1A4
Abstract
Photopyroelectric spectroscopy (PPES) was used in a novel non-contact experimental configuration to obtain, for the first time, high-resolution absolute spectra of the optical-to-thermal energy conversion efficiency (non-radiative coefficient), ηNR(λ), of Ti : Sapphire laser crystals with widely different figures of merit. These spectra were found to depend on the optical quality of the bulk and of the polished surfaces of the Ti : Sapphire material.
© EDP Sciences 1994