An achromatic lens for focusing femtosecond pulses: direct measurement of femtosecond pulse front distortion using a second-order autocorrelation technique

Pulse front distortion of ultrashort laser pulses in lenses used for ultrahigh intensity focusing in multiphoton ionisation experiments was measured using a second-order cross-correlation technique. An achromatic lens designed for diffraction limited f 2 focusing was shown to eliminate pulse front d...

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Bibliographic Details
Published in:Optics communications 1996, Vol.122 (4), p.99-104
Main Authors: Ameer-Beg, S., Langley, A.J., Ross, I.N., Shaikh, W., Taday, P.F.
Format: Article
Language:English
Subjects:
Aberrations
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Geometrical optics
Lenses, prisms and mirrors
Optical elements, devices, and systems
Optics
Physics
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Summary:Pulse front distortion of ultrashort laser pulses in lenses used for ultrahigh intensity focusing in multiphoton ionisation experiments was measured using a second-order cross-correlation technique. An achromatic lens designed for diffraction limited f 2 focusing was shown to eliminate pulse front distortion and this was compared with the distortion caused by an f 2 doublet lens.
ISSN:0030-4018
1873-0310
DOI:10.1016/0030-4018(95)00483-1