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Opt Lett. 2006 Jun 1;31(11):1681-3.

Ex vivo characterization of sub-10-fs pulses.

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Departmetn of Biomedical Engineering, Texas A&M University, Texas 77843, USA.


An all-mirror dispersion-compensation setup is used to correct for quadratic and cubic phase distortions induced within a custom nonlinear optical microscope. Mouse tail tendon is used to characterize sub-10-fs pulses by interferometric autocorrelation. This is an ideal method for characterizing dispersion from the optical system, immersion medium, and wet biological sample. The generation of very short autocorrelations demonstrates the ability to compensate for phase distortions within the imaging system and efficient second-harmonic upconversion of the ultrashort pulse spectrum within collagen. Compensated autocorrelation traces are presented for biologically relevant objective lenses.

[Indexed for MEDLINE]

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