NDLI: Timing compensation for an excimer laser solid-state pulsed power module (SSPPM)

Content Provider	IEEE Xplore Digital Library
Author	Johns, D. Ness, R. Smith, B.
Copyright Year	1973
Abstract	For certain applications, it is critical to minimize variations in the (throughput) timing between trigger and the output pulse of a magnetic modulator. A circuit is described that maintains a relatively constant delay over a large operating voltage range (600-1150 V) and temperature range (25 /spl deg/C-65 /spl deg/C) range, The circuit operates by sampling the charging voltage and magnetic switch temperature just prior to the start switch trigger. Those parameters are then used to calculate the appropriate amount of delay to add into the low-level trigger chain to ensure that the delay stays constant over the voltage and temperature operating range. Although other approaches can be conceived and implemented, this particular design is relatively simple and inexpensive and meets the desired performance goals. Data presented show that the ideal correction function is nonlinear in nature and, as a result, simple linear approximations are limited in their ability to minimize the timing variations. Improvements to the original circuit use a multiple, piece-wise, linear approach in order to obtain better performance. The results are that an initial timing variation of almost 3 /spl mu/s has been reduced to a total variation of less than 100 ns.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	1329
Ending Page	1332
Page Count	4
File Size	76330
File Format	PDF
ISSN	00933813
Volume Number	28
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Timing Power lasers Solid lasers Solid state circuits Optical pulses Switches Voltage Temperature distribution Magnetic circuits Delay
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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