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Content Provider | IEEE Xplore Digital Library |
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Author | Mitrofanov, A.V. Verhoef, A.J. Zheltikov, A.M. Baltuska, A. |
Copyright Year | 2009 |
Description | Author affiliation: Physics Department, International Laser Center, M.V. Lomonosov Moscow State University, Vorobyevy gory, 119992 Moscow, Russia (Zheltikov, A.M.) || Photonics Institute, Vienna University of Technology, Gusshausstrasse 27-387, A-1040, Austria (Mitrofanov, A.V.; Verhoef, A.J.; Baltuska, A.) |
Abstract | Measurement of ultrashort ultraweak laser pulses with over-an-octave wide spectra poses a well-known challenge because of the spectral overlap of harmonic orders. The problem of the interference between the nonlinear signal and the fundamental spectrum can be mitigated in both frequency-resolved optical gating (FROG) and spectral shearing interferometry (SPIDER) [1] techniques by using non-collinear sum-frequency generation in very thin crystals. However, the suitable phase-matching bandwidth for frequency conversion is ensured as a rule by using low conversion efficiency several-µm-thick nonlinear crystals. Additional issues that become increasingly important as the pulse duration shrinks are the minimum added dispersion of the pulse characterization apparatus [2] and the time delay accuracy/jitter between the interfering pulse replicas in SPIDER [3]. These issues were addressed in newly developed technique based on ionization induced blueshifting called iSPIDER [4]. Here we investigate optimal parameters for the use of this technique. |
Starting Page | 1 |
Ending Page | 1 |
File Size | 525545 |
Page Count | 1 |
File Format | |
ISBN | 9781424440795 |
DOI | 10.1109/CLEOE-EQEC.2009.5196397 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-06-14 |
Publisher Place | Germany |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Optical interferometry Pulse measurements Crystals Interference Frequency conversion Plasma measurements Signal generators Nonlinear optics Shearing Optical pulses |
Content Type | Text |
Resource Type | Article |
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