CdS- and PbS-doped silica-titania optical waveguides

Massimo Guglielmi; Alessandro Martucci; Giancarlo C. Righini; Stefano Pelli

doi:10.1117/12.188949

13 October 1994 CdS- and PbS-doped silica-titania optical waveguides

Massimo Guglielmi, Alessandro Martucci, Giancarlo C. Righini, Stefano Pelli

Proceedings Volume 2288, Sol-Gel Optics III; (1994) https://doi.org/10.1117/12.188949
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Silica-titania optical waveguides doped with CdS and PbS were prepared by the sol-gel method. Thiourea was used as an internal source for sulfur. Cadmium and lead were introduced as acetates. Using tetraethoxysilane (TEOS) and Ti(OBu)₄ as precursors for silica and titania, films with typical thickness of 0.15 - 0.2 micrometers were obtained. In order to obtain thicker layers TEOS was substituted with methyltriethoxysilane (MTES). The effect of this precursor on solution and waveguide properties is discussed.

Citation Download Citation

Massimo Guglielmi, Alessandro Martucci, Giancarlo C. Righini, and Stefano Pelli "CdS- and PbS-doped silica-titania optical waveguides", Proc. SPIE 2288, Sol-Gel Optics III, (13 October 1994); https://doi.org/10.1117/12.188949

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