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Proceedings Paper

Resonant optical devices for IR lasers
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Paper Abstract

This paper highlights recent developments in resonant optical devices for infrared (IR) and mid-infrared (mid- IR) lasers. Sub-wavelength grating based resonant optical filters are introduced and their application in 2 μm thulium fiber laser and amplifier systems has been discussed. The paper focuses on applying such filtering techniques to 2.8 μm mid-IR fiber laser systems. A narrowband mid-IR Guided-Mode Resonance Filter (GMRF) was designed and fabricated using Hafnium(IV) Oxide film/quartz wafer material system. The fabricated GMRF was then integrated into an Erbium (Er)-doped Zr-Ba-La-Al-Na (ZBLAN) fluoride glass fiber laser as a wavelength selective feedback element. The laser operated at 2782 nm with a linewidth less than 2 nm demonstrating the viability of GMRF’s for wavelength selection in the mid-IR. Furthermore, a GMRF of narrower linewidth based on Aluminum Oxide/quartz wafer material system is fabricated and tested in the same setup. The potentials and challenges with GMRFs will be discussed and summarized.

Paper Details

Date Published: 1 April 2013
PDF: 6 pages
Proc. SPIE 8599, Solid State Lasers XXII: Technology and Devices, 85991G (1 April 2013); doi: 10.1117/12.2012525
Show Author Affiliations
Eric G. Johnson, Clemson Univ. (United States)
Yuan Li, Clemson Univ. (United States)
Indumathi Raghu Srimathi, Clemson Univ. (United States)
Ryan H. Woodward, Clemson Univ. (United States)
Menelaos K. Poutous, Clemson Univ. (United States)
Aaron J. Pung, Clemson Univ. (United States)
Martin Richardson, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Lawrence Shah, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Ramesh Shori, Naval Air Warfare Ctr. Weapons Div. (United States)
Robert Magnusson, The Univ. of Texas at Arlington (United States)


Published in SPIE Proceedings Vol. 8599:
Solid State Lasers XXII: Technology and Devices
W. Andrew Clarkson; Ramesh Shori, Editor(s)

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