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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 7 — Mar. 26, 2012
  • pp: 7015–7021

Multi-microjoule, MHz repetition rate Ti:sapphire ultrafast regenerative amplifier system

Xiaoshi Zhang, Eric Schneider, Greg Taft, Henry Kapteyn, Margaret Murnane, and Sterling Backus  »View Author Affiliations


Optics Express, Vol. 20, Issue 7, pp. 7015-7021 (2012)
http://dx.doi.org/10.1364/OE.20.007015


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Abstract

We demonstrate a cryogenically cooled Ti:sapphire ultrafast regenerative amplifier laser system producing >20 μJ energies at 50 kHz, >12 μJ at 200 kHz and >3.5 μJ at 1MHz with repetition rates continuously tunable from 50 kHz up to 1.7 MHz in a footprint of only 60x180 cm2. This laser uses down-chirped pulse amplification employing a grism stretcher and a glass-block compressor, achieving sub-60-fs pulse duration. This laser represents a several-times improvement in repetition-rate and average power over past Ti:sapphire-based ultrafast lasers in this class. We discuss the unique challenges and solutions for this laser system. This laser system has wide applications especially in ultrafast photoemission, nonlinear imaging and spectroscopy, as well as for micro/nano-machining and ultrafast laser therapy and surgery.

© 2012 OSA

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(320.0320) Ultrafast optics : Ultrafast optics

ToC Category:
Ultrafast Optics

History
Original Manuscript: November 28, 2011
Revised Manuscript: February 3, 2012
Manuscript Accepted: February 6, 2012
Published: March 13, 2012

Virtual Issues
Modular Ultrafast Lasers (Invited Only) (2012) Optics Express

Citation
Xiaoshi Zhang, Eric Schneider, Greg Taft, Henry Kapteyn, Margaret Murnane, and Sterling Backus, "Multi-microjoule, MHz repetition rate Ti:sapphire ultrafast regenerative amplifier system," Opt. Express 20, 7015-7021 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-7-7015


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