Upconverting Tm‐doped BaYYbF8 optical waveguides epitaxially grown on GaAs

Autor:	L. S. Hung, Thomas N. Blanton, David D. Tuschel, Gustavo R. Paz-Pujalt
Rok vydání:	1995
Předmět:	Photoluminescence Materials science Physics and Astronomy (miscellaneous) business.industry Doping Epitaxy Laser law.invention Wavelength Lattice constant law Phase (matter) Optoelectronics business Monoclinic crystal system
Zdroj:	Applied Physics Letters. 66:2454-2456
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.113993
Popis:	TM‐doped BaYYbF8 films were epitaxially grown on both (100) and (111) GaAs substrates using CaF2 or LiF as intermediate layers. The BaYYbF8 phase was found to be a previously unreported cubic phase with a lattice constant of 0.5711 nm, which is different from a monoclinic phase reported for bulk crystals. The films produced UV and visible radiation with wavelengths at 360 nm (UV), 450–480 nm (blue), and 500–550 nm (green) when pumped by laser radiation at 647 nm.
Databáze:	OpenAIRE
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