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Proceedings Paper

Femtosecond Cr:ZnS laser at 2.35 µm mode-locked by carbon nanotubes
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Paper Abstract

We report the solid-state Cr:ZnS laser mode-locked by CNT-based saturable absorber. The absorber was deposited on a protected silver mirror used as a high reflector mirror in a standard 250-MHz cavity with chirped mirror GDD compensation. Laser pulses with duration of 61 fs were obtained at 2.35 μm wavelength. The output power was limited at 950 mW, corresponding to the pulse energy of 3.8 nJ. We have demonstrated the longest-wavelength mid-IR CNT-mode-locked laser with record parameters, advancing the carbon nanotube mode-locking technology well beyond 2 μm into the mid-IR.

Paper Details

Date Published: 28 February 2014
PDF: 6 pages
Proc. SPIE 8959, Solid State Lasers XXIII: Technology and Devices, 89591A (28 February 2014); doi: 10.1117/12.2040757
Show Author Affiliations
Nikolai Tolstik, Norwegian Univ. of Science and Technology (Norway)
Oleg Okhotnikov, Tampere Univ. of Technology (Finland)
Evgeni Sorokin, Technische Univ. Wien (Austria)
Irina T. Sorokina, Norwegian Univ. of Science and Technology (Norway)

Published in SPIE Proceedings Vol. 8959:
Solid State Lasers XXIII: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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