Formation of photonic structures in Sm2+-doped aluminosilicate glasses through phase separation

Koji Fujita; Shunsuke Murai; Kazuki Nakanishi; Kazuyuki Hirao

doi:10.1117/12.590712

22 January 2005 Formation of photonic structures in Sm²⁺-doped aluminosilicate glasses through phase separation

Koji Fujita, Shunsuke Murai, Kazuki Nakanishi, Kazuyuki Hirao

Proceedings Volume 5720, Micromachining Technology for Micro-Optics and Nano-Optics III; (2005) https://doi.org/10.1117/12.590712
Event: MOEMS-MEMS Micro and Nanofabrication, 2005, San Jose, California, United States

Abstract

Sm²⁺-doped Al₂O₃-SiO₂ glasses with three-dimensionally interconnected macroporous morphology have been prepared via the alkoxy-derived sol-gel process containing poly (ethylene oxide) and SmCl₃·6H₂O. The macroporous morphology is obtained by concurrently inducing the phase separation and sol-gel transition. Using a visible laser with the wavelength of 488 nm, the valence state of Sm²⁺ has been manipulated spatially. When the photoionization of Sm²⁺ is combined with multiple light scattering in the porous glasses, holes are burned in wave-vector domain. The hole profile can be controlled by adjusting the macroporous morphology.

Citation Download Citation

Koji Fujita, Shunsuke Murai, Kazuki Nakanishi, and Kazuyuki Hirao "Formation of photonic structures in Sm²⁺-doped aluminosilicate glasses through phase separation", Proc. SPIE 5720, Micromachining Technology for Micro-Optics and Nano-Optics III, (22 January 2005); https://doi.org/10.1117/12.590712

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