Summary form only given. Precise characterization of focused pulses is required to produce optimal images with multiphoton microscopes. We used collinear type II second-harmonic generation frequency-resolved optical gating (SHG FROG) to measure the pulse intensity and phase at the focus of a Zeiss CP-Achromat 100/spl times/, 1.25 NA, infinity-corrected oil objective, and accurately retrieved 20 fs pulses.
Temporal characterization of ultrashort pulses at the focus of a high numerical aperture objective
1999-01-01
269234 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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