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https://hdl.handle.net/2440/77484
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Type: | Conference paper |
Title: | Versatile fs laser-written glass chip lasers |
Author: | Lancaster, D. Gross, S. Fuerbach, A. Ebendorff-Heidepriem, H. Monro, T. |
Citation: | Solid State Lasers XXII: Technology and Devices, 2013 / W. Andrew Clarkson, Ramesh Shori (eds.): 859907 |
Publisher: | SPIE |
Publisher Place: | Online |
Issue Date: | 2013 |
Series/Report no.: | SPIE Proceedings; 8599:859907 |
ISBN: | 9780819493682 |
ISSN: | 0277-786X |
Conference Name: | Solid State Lasers (22nd : 2013 : San Francisco, CA, U.S.A.) |
Editor: | Clarkson, W.A. Shori, R.K. |
Statement of Responsibility: | D. G. Lancaster, S. Gross, A. Fuerbach, H. Ebendorff Heidepriem, T. M. Monro, M. J. Withford |
Abstract: | We report laser-written chip lasers with potential to be a platform planar technology versatile enough to cover the visible through to the mid-infrared spectral region. By femtosecond laser direct-writing a thulium doped fluoride based glass host (ZBLAN), we have demonstrated a 151% quantum efficiency λ=1.9 μm laser with a close to diffraction limited beam quality (M2∼ 1.12 ± 0.08) with 225 nm of continuous tunability in a device that can be rapidly fabricated by singlestep optical processing. The 9 mm long planar chip developed for concept demonstration contains fifteen large modearea waveguides that can operate in semi-monolithic or external cavity laser configurations. This chip laser has achieved the highest quantum efficiency from a planar glass waveguide laser. The depressed cladding geometry supports the largest fundamental modes reported for a rare-earth doped waveguide laser thereby favouring high peak-power operation which is demonstrated by achieving 1.9 kW peak-power pulses when Q-switched. © 2013 Copyright SPIE. |
Rights: | © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). |
DOI: | 10.1117/12.2012519 |
Published version: | http://dx.doi.org/10.1117/12.2012519 |
Appears in Collections: | Aurora harvest 4 IPAS publications |
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