Stimulated emission from spherical particles: thermal stability of PTES-derived hybrid materials

Tetsuji Yano; Takahiro Kitajima; Akinori Araya; Shuichi Shibata

doi:10.1117/12.453887

23 October 2002 Stimulated emission from spherical particles - thermal stability of PTES-derived hybrid materials -

Tetsuji Yano, Takahiro Kitajima, Akinori Araya, Shuichi Shibata

Proceedings Volume 4804, Sol-Gel Optics VI; (2002) https://doi.org/10.1117/12.453887
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The effects of heat treatment on the optical quality of organic-norganic hybrid spherical particles were investigated. The spherical particles with a diameter of 6μm were prepared via sol-gel process from phenyl-tetraethyl-silane(PTES) using the vibrating orifice technique, and they showed strong oscillation signals based on the spherical resonance mode with low power threshold of the incident CW-Ar⁺ laser. Against the heat treatment on the slide glass plate, there were some particles which remained their spherical shape after 400°C heating depending on the condition of sol preparation. The survived particles were also found to have high photo-stability that they were not damaged from the laser irradiation of 514.5nm Ar⁺ light with a power >120mW/particle, while as-prepared particles were bursted by the irradiation <20mW/particles. From the measurements of micro Raman scattering spectroscopy, optical and secondary electron microscope and thermal analysis, the thermal stability of hybrid materials was considered.

Citation Download Citation

Tetsuji Yano, Takahiro Kitajima, Akinori Araya, and Shuichi Shibata "Stimulated emission from spherical particles - thermal stability of PTES-derived hybrid materials -", Proc. SPIE 4804, Sol-Gel Optics VI, (23 October 2002); https://doi.org/10.1117/12.453887

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