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High Bandwidth Data Recording Systems for Pulsed Power and Laser Produced Plasma Experiments.

Journal Article · · Review of Scientific Instruments
DOI:https://doi.org/10.1063/1.2219417· OSTI ID:919612
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We present two high bandwidth data transmission and recording systems for the measurement of transient signals during pulsed power and laser produced plasmas. These systems use fiber optic cables to transmit analog data over long distances to high bandwidth digitizing oscilloscopes. One system is based on the direct modulation of a laser diode and has a bandwidth of 1.5 GHz. The other system is based upon a fiber-optic Mach-Zehnder modulator and has a bandwidth of 12 GHz, and is limited by the photo receiver. The signals are recorded on commercial digitizing oscilloscopes that have approximately 6 effective bits. The transmission systems use many off-the-shelf components from the telecommunications industry and thus have a high reliability and a moderate cost. Results from recent measurements will be presented. Investigation of the reduction in optical transmission by the fibers during exposure to high dose radiation will also be discussed.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
919612
Report Number(s):
UCRL-JRNL-221078
Journal Information:
Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Vol. 77; ISSN 0034-6748; ISSN RSINAK
Country of Publication:
United States
Language:
English

References (5)

Implications of high-energy photons and electrons on target preheat at the Sandia “Z” facility journal January 1999
Interlaboratory comparison of radiation-induced attenuation in optical fibers. III. Transient exposures journal June 1990
Measuring Transient Radiation Effects In Optical Fibers conference October 1984
Creation of Hot Radiation Environments in Laser-Driven Targets journal May 2006
Electrical and optical response of a Mach-Zehnder electrooptical modulator to pulsed irradiation journal June 1998

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CABLES
DATA TRANSMISSION
FIBER OPTICS
FIBERS
LASER-PRODUCED PLASMA
LASERS
MODULATION
RADIATIONS
RECORDING SYSTEMS
RELIABILITY
TRANSIENTS