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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 1 — Jan. 4, 2012

High-power widely tunable sub-20fs Gaussian laser pulses for ultrafast nonlinear spectroscopy

Bernd Metzger, Andy Steinmann, and Harald Giessen  »View Author Affiliations


Optics Express, Vol. 19, Issue 24, pp. 24354-24360 (2011)
http://dx.doi.org/10.1364/OE.19.024354


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Abstract

We demonstrate the generation of widely tunable sub-20fs Gaussian-shaped laser pulses using a grating-based 4-f pulse shaper and a liquid crystal spatial light modulator. Our pump source is an Yb:KGW solitary mode-locked oscillator at 44MHz repetition rate which is coupled into a large mode area microstructured fiber to generate a broad spectrum from below 900nm to above 1150nm. These pulses are precompressed by a prism sequence and subsequently sent into the pulse shaper. We use the multiphoton intrapulse interference phase scan (MIIPS) for phase shaping and iterative amplitude optimization to achieve Gaussian-like tunable sub-20fs pulses with output powers of up to 142mW as well as nontunable pulses with 310mW output power as short as 11.5fs.

© 2011 OSA

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(320.5540) Ultrafast optics : Pulse shaping
(070.6120) Fourier optics and signal processing : Spatial light modulators

ToC Category:
Ultrafast Optics

History
Original Manuscript: September 22, 2011
Revised Manuscript: October 28, 2011
Manuscript Accepted: November 3, 2011
Published: November 14, 2011

Virtual Issues
Vol. 7, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Bernd Metzger, Andy Steinmann, and Harald Giessen, "High-power widely tunable sub-20fs Gaussian laser pulses for ultrafast nonlinear spectroscopy," Opt. Express 19, 24354-24360 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-19-24-24354


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