Double‐wall carbon nanotube absorber for passively mode‐locked Yb3+:Sc2SiO5 laser

Double‐walled carbon nanotube saturable absorber (DWCNT‐SA) fabricated by vertical evaporation method was first used in passively mode‐locked Yb3+:Sc2SiO5 (Yb:SSO) laser to our knowledge. The laser operated at a repetition frequency of 89 MHz with the central wavelength of 1062.6 nm. A pulse duratio...

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Bibliographic Details
Published in:Laser physics letters 2012-02, Vol.9 (2), p.120-125
Main Authors: Su, L.M., Wang, Y.G., Liu, J., Zheng, L.H., Su, L.B., Xu, J.
Format: Article
Language:English
Subjects:
Diode-pumped lasers
diode‐pump
double‐walled carbon nanotube absorber
Yb3+:Sc2SiO5 crystal
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser optical systems: design and operation
Lasers
Modulation, tuning, and mode locking
Optics
passively mode‐locked
Physics
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Summary:Double‐walled carbon nanotube saturable absorber (DWCNT‐SA) fabricated by vertical evaporation method was first used in passively mode‐locked Yb3+:Sc2SiO5 (Yb:SSO) laser to our knowledge. The laser operated at a repetition frequency of 89 MHz with the central wavelength of 1062.6 nm. A pulse duration of 15 ps was produced with an average power of 818 mW and a highest pulse energy of 9.2 nJ for a DWCNT‐SA mode‐locked laser. In addition, laser pulses as short as 1.6 ps were generated by inserting a pair of SF10 uncoated prisms into the cavity to compensate the cavity dispersion with a maximum peak power of 2.65 kW. (© 2012 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA) (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA)
ISSN:1612-2011
1612-202X
DOI:10.1002/lapl.201110107