Effect Of Wavefront Curvature On The Duration And Shape Of Subpicosecond Laser Pulses Recorded By An Image-Converter Tube

G. V. Kolesov; I. M. Korzhenevich; V. B. Lebedev; B. M. Stepanov

doi:10.1117/12.967747

1 March 1983 Effect Of Wavefront Curvature On The Duration And Shape Of Subpicosecond Laser Pulses Recorded By An Image-Converter Tube

G. V. Kolesov, I. M. Korzhenevich, V. B. Lebedev, B. M. Stepanov

Author Affiliations +

Proceedings Volume 0348, 15th Intl Congress on High Speed Photography and Photonics; (1983) https://doi.org/10.1117/12.967747
Event: 15th International Congress on High Speed Photography and Photonics, 1982, San Diego, United States

Abstract

When subpicosecond laser pulses are recorded, allowing for their distortions by the input optical system becomes important. Previous studies were concerned with the pulse pulling caused by aberrations (1) and by the dispersion of the glass refractive index (2). The present paper analyzes the phenomena associated with the non-isochronism of the image construction on the IC photocathode, namely, the pulling of the pulse, the distortion of its shape in the case of a circular aperture (in the circular or spiral sweep regime) and the distortion of the image on the IC screen for a slit aperture (in the linear sweep regime). The non-isochronism arises because of the curvature of the laser beam wave front (WF) in the photocathode region (3).

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G. V. Kolesov, I. M. Korzhenevich, V. B. Lebedev, and B. M. Stepanov "Effect Of Wavefront Curvature On The Duration And Shape Of Subpicosecond Laser Pulses Recorded By An Image-Converter Tube", Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); https://doi.org/10.1117/12.967747

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