Author

John B. Shaw

Date

July 1980

Document Type

Dissertation

Degree Name

Ph.D.

Department

Dept. of Applied Physics

Institution

Oregon Graduate Center

Abstract

This dissertation presents the results of research directed towards the development of an electrooptic streak camera. A number of electrooptic techniques have been utilized to provide beam deflection, but, as shown here, they are all subject to limitations imposed by transit time of light through the device. These limitations may be overcome, however, by suitably combining a number of simple deflectors to form a transmission line which can provide a synchronous interaction between an electrical pulse and the optical pulse to be displayed. This new deflector is capable of excellent service in streak camera applications. Unfortunately, the existence of a suitable deflection technique does not immediately guarantee the development of a practical electrooptic streak camera; major difficulties exist in the production of an acceptable voltage pulse generator. Photoconducting silicon switches offer a possible solution, but they have not yet attained the performance level necessary for this application as highlighted by the investigations carried out in this work. Laser triggered spark gaps are the best alternative, and utilizing one of these, the first demonstration of the new deflection technique has been accomplished. Although the results have been less than dramatic, the best resolution time obtained being only 750 picoseconds, they show that it should be possible to construct an electrooptic streak camera providing better than 10 picosecond resolution in the near infrared.

Identifier

doi:10.6083/M4668B38

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