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Proceedings Paper

Ball-milled nano-colloids of rare-earth compounds as liquid gain media for capillary optical amplifiers and lasers
Author(s): Darayas Patel; Avery Blockmon; Vanesa Ochieng; Ashley Lewis; Donald M. Wright; Danielle Lewis; Rueben Valentine; Maucus Valentine; Dennis Wesley; Sergey S. Sarkisov; Abdalla M. Darwish; Avedik S. Sarkisov
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Paper Abstract

Nano-colloids and nano-crystals doped with ions of rare-earth elements have recently attracted a lot of attention in the scientific community due to their potential applications as biomarkers, fluorescent inks, gain media for lasers and optical amplifiers. Many rare-earth doped materials of different compositions, shapes and size distribution have been prepared by different synthetic methods, such as chemical vapor deposition, sol-gel process, micro-emulsion techniques, gas phase condensation methods, hydrothermal methods and laser ablation. In this paper micro-crystalline powder of the rare-earthdoped compound NaYF4:Yb3+, Er3+ was synthesized using a simple wet process followed by baking in open air. Under 980 nm diode laser excitation strong fluorescence in the 100 nm band around 1531-nm peak was observed from the synthesized micro-powder. The micro-powder was pulverized using a ball mill and prepared in the form of nano-colloids in different liquids. The particle size of the obtained nano-colloids was measured using an atomic force microscope and a dynamic light scatterometer. The size of the nano-particles was close to 100-nm. The nano-colloids were utilized as a filling media in capillary optical amplifiers and lasers. The gain of a 7-cm-long capillary optical amplifier (150-micron inner diameter) was as high as 6 dB at 200 mW pump power. The synthesized nano-colloids and the active optical components using them can be potentially used in optical communication, signal processing, optical computing, and other applications.

Paper Details

Date Published: 16 February 2017
PDF: 10 pages
Proc. SPIE 10100, Optical Components and Materials XIV, 1010009 (16 February 2017); doi: 10.1117/12.2248546
Show Author Affiliations
Darayas Patel, Oakwood Univ. (United States)
Avery Blockmon, Oakwood Univ. (United States)
Vanesa Ochieng, Oakwood Univ. (United States)
Ashley Lewis, Oakwood Univ. (United States)
Donald M. Wright, Oakwood Univ. (United States)
Danielle Lewis, Oakwood Univ. (United States)
Rueben Valentine, Oakwood Univ. (United States)
Maucus Valentine, Oakwood Univ. (United States)
Dennis Wesley, Oakwood Univ. (United States)
Sergey S. Sarkisov, SSS Optical Technologies, LLC (United States)
Abdalla M. Darwish, Dillard Univ. (United States)
Avedik S. Sarkisov, Gubkin Russian State Univ. of Oil and Gas (Russian Federation)


Published in SPIE Proceedings Vol. 10100:
Optical Components and Materials XIV
Shibin Jiang; Michel J. F. Digonnet, Editor(s)

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