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Lasing and supercontinuum generation in single-crystalline fibers
Author(s): Ben Eshel; Michael Tripepi; Kent L. Averett; Sean A. McDaniel; Gary Cook; Carl M. Liebig
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Paper Abstract

Single crystal fibers doped with Er or Tm and clad with a sapphire sol-gel were tested for both laser performance and super-continuum generation. Laser performance was explored for multiple sol-gel cladding deposition cycles (0 to 5) in addition to variable concentration (0.25% to 3%). A single sample showed exemplary performance (2% Tm with 3 deposition cycles) achieving 44.5% slope-efficiency. Super-continuum generation was compared in pure and doped fibers of both 150μm and 50μm diameters at five different pump wavelengths with an 80 fs source. Super-continuum was generated covering 1.5 octaves (790 nm pump) and <2.5 octaves (1645 nm pump) with a threshold pulse energy of 0.4 μJ (5 MW peak power).

Paper Details

Date Published: 9 September 2019
PDF: 9 pages
Proc. SPIE 11123, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XIII, 111230D (9 September 2019); doi: 10.1117/12.2529593
Show Author Affiliations
Ben Eshel, Air Force Research Lab. (United States)
Michael Tripepi, Air Force Research Lab. (United States)
The Ohio State Univ. (United States)
Kent L. Averett, Air Force Research Lab. (United States)
Sean A. McDaniel, Air Force Research Lab. (United States)
Gary Cook, Air Force Research Lab. (United States)
Carl M. Liebig, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 11123:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XIII
Shizhuo Yin; Ruyan Guo, Editor(s)

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