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Proceedings Paper

A diode-pumped high power extended cavity femtosecond Yb:KGW laser: from development to applications in nonlinear microscopy
Author(s): Arkady Major; Richard Cisek; Catherine Greenhalgh; Nicole Prent; Bryan Stewart; Virginijus Barzda
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Paper Abstract

We present the design and development of a diode-pumped high average power femtosecond laser based on a crystal of Yb-ion doped potassium gadolinium tungstate (Yb:KGW) and a semiconductor saturable absorber for passive mode-locking. The laser delivered up to 0.85 W of average power with ~200 fs pulses at a repetition rate of 14.6 MHz, corresponding to a pulse energy of 60 nJ with a peak power of ~300 kW. The developed laser system was used to visualize the structure of muscle cells from Drosophila melanogaster larvae in vivo by acquiring high-resolution images with a nonlinear multimodal scanning microscope, capable of simultaneous detection of two-photon fluorescence, second and third harmonic signals.

Paper Details

Date Published: 8 September 2006
PDF: 8 pages
Proc. SPIE 6343, Photonics North 2006, 634345 (8 September 2006); doi: 10.1117/12.707936
Show Author Affiliations
Arkady Major, Univ. of Toronto/Mississauga (Canada)
Richard Cisek, Univ. of Toronto/Mississauga (Canada)
Catherine Greenhalgh, Univ. of Toronto/Mississauga (Canada)
Nicole Prent, Univ. of Toronto/Mississauga (Canada)
Bryan Stewart, Univ. of Toronto/Mississauga (Canada)
Virginijus Barzda, Univ. of Toronto/Mississauga (Canada)

Published in SPIE Proceedings Vol. 6343:
Photonics North 2006
Pierre Mathieu, Editor(s)

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