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https://hdl.handle.net/2440/92642
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Type: | Journal article |
Title: | Widely tunable short-infrared thulium and holmium doped fluorozirconate waveguide chip lasers |
Author: | Lancaster, D. Gross, S. Withford, M. Monro, T. |
Citation: | Optics Express, 2014; 22(21):25286-25294 |
Publisher: | Optical Society of American (OSA) |
Issue Date: | 2014 |
ISSN: | 1094-4087 1094-4087 |
Statement of Responsibility: | D.G. Lancaster, S. Gross, M. J. Withford, and T. M. Monro |
Abstract: | We report widely tunable (≈ 260 nm) Tm(3+) and Ho(3+) doped fluorozirconate (ZBLAN) glass waveguide extended cavity lasers with close to diffraction limited beam quality (M(2) ≈ 1.3). The waveguides are based on ultrafast laser inscribed depressed claddings. A Ti:sapphire laser pumped Tm(3+)-doped chip laser continuously tunes from 1725 nm to 1975 nm, and a Tm(3+)-sensitized Tm(3+):Ho(3+) chip laser displays tuning across both ions evidenced by a red enhanced tuning range of 1810 to 2053 nm. We also demonstrate a compact 790 nm diode laser pumped Tm(3+)-doped chip laser which tunes from 1750 nm to 1998 nm at a 14% incident slope efficiency, and a beam quality of M(2) ≈ 1.2 for a large mode-area waveguide with 70 µm core diameter. |
Keywords: | Holmium Thulium Zirconium Titanium Glass Spectrometry, Fluorescence Infrared Rays Time Factors Lasers, Semiconductor Optical Phenomena |
Rights: | © 2014 Optical Society of America |
DOI: | 10.1364/OE.22.025286 |
Grant ID: | http://purl.org/au-research/grants/arc/CE1101018 |
Published version: | http://dx.doi.org/10.1364/oe.22.025286 |
Appears in Collections: | Aurora harvest 2 IPAS publications |
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