Subnanosecond Pockels cell switching using avalanche transistors

A. I. Bishop, P. F. Barker

Research output: Contribution to journalArticle

Abstract

Achieving subnanosecond optical switching using a Pockels cell requires an electrically optimized cell design and a compatible fast driver. We report on the design and operation of a high voltage, high speed switching circuit which is capable of achieving an optical switching time of 238 ps when used in conjunction with a 6 mm aperture Pockels cell. The driver uses a Marx-configured avalanche-transistor design to deliver up to 4 kV pulses into a 50 O load with approximately 12 ps jitter and an output pulse length of 7 ns. The Pockels cell is a commercially available unit. The observed optical switching time and the jitter in timing of the output pulse are the best currently reported in the literature. We also demonstrate the production of rectangular optical pulses of approximately 3.6 ns duration by reflecting the electrical pulse using a mismatched termination. © 2006 American Institute of Physics.

Original languageEnglish
Article number044701
JournalReview of Scientific Instruments
Volume77
Issue number4
DOIs
Publication statusPublished - 2006

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avalanches
transistors
optical switching
pulses
cells
switching circuits
vibration
output
high voltages
apertures
time measurement
high speed
physics

Cite this

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Subnanosecond Pockels cell switching using avalanche transistors. / Bishop, A. I.; Barker, P. F.

In: Review of Scientific Instruments, Vol. 77, No. 4, 044701, 2006.

Research output: Contribution to journalArticle

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