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Showing 2 results for Granpayeh
An Overview and Feasibility Study of Fabrication Technology and Characterization Techniques of Erbium-Doped Fiber amplifiers in Iran
N. Granpayeh, P.l. Chu, I. Skinner,
Volume 3, Issue 1 (International Journal of Optics and Photonics (IJOP) Vol. 3, No. 1, Winter-Spring 2009)
Abstract
In this paper, a brief summary of different methods of fabrication of optical preform and fiber is reviewed. Several methods of incorporation of erbium ions into optical preforms are studied. Characterization of the fabricated erbium doped fibers including measurements of refractive index profile, absorption, fluorescence and gain spectra and metastable lifetime are described. It is also expressed that many of these fabrication and characterization methods are feasible to be carried out in Iran.
High Performance Sub-Diffraction Limit Three Channel Plasmonic Demultiplexer
Ms. Eng. Fatemeh Davoodi, Dr. Nosrat Granpayeh,
Volume 8, Issue 1 (International Journal of Optics and Photonics (IJOP) Vol 8, No 1, Winter-Spring 2014)
Abstract
We have proposed a new ultra-compact optical demultiplexer based on metal-insulator-metal plasmonic waveguides aperture-coupled to the ring resonators. Our proposed device has high performance, small footprint, and high potential for integration and development to more channels.
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