A simple, low-cost, versatile CCD spectrometer for plasma spectroscopy

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The authors have constructed a simple, low-cost CCD spectrometer capable of both high resolution ({Delta}{lambda} {le} 0.015 nm) and large bandpass (110 nm with {Delta}{lambda} {approximately}0.3 nm). These two modes of operation provide two broad areas of capability for plasma spectroscopy. The first major application is measurement of emission line broadening; the second is emission line surveys from the ultraviolet to the near infrared. Measurements have been made on a low-temperature plasma produced by a miniature electrostatic plasma source and the high-temperature plasma in the MST Reversed-Field Pinch. The spectrometer is a modified Jarrell-Ash 0.5 m Ebert-Fastie monochromator. Light is ... continued below

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12 p.

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Den Hartog, D.J. & Holly, D.J. June 1, 1996.

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  • Den Hartog, D.J. Univ. of Wisconsin, Madison, WI (United States). Dept. of Physics
  • Holly, D.J. Sterling Scientific, Inc., Madison, WI (United States)

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Description

The authors have constructed a simple, low-cost CCD spectrometer capable of both high resolution ({Delta}{lambda} {le} 0.015 nm) and large bandpass (110 nm with {Delta}{lambda} {approximately}0.3 nm). These two modes of operation provide two broad areas of capability for plasma spectroscopy. The first major application is measurement of emission line broadening; the second is emission line surveys from the ultraviolet to the near infrared. Measurements have been made on a low-temperature plasma produced by a miniature electrostatic plasma source and the high-temperature plasma in the MST Reversed-Field Pinch. The spectrometer is a modified Jarrell-Ash 0.5 m Ebert-Fastie monochromator. Light is coupled into the entrance slit with a fused silica fiber optic bundle. The exposure time (2 ms minimum) is controlled by a fast electromechanical shutter. The exit plane detector is a compact and robust CCD detector developed for amateur astronomy by Santa Barbara Instrument Group. The CCD detector is controlled and read out by a Macintosh{reg_sign} computer. This spectrometer is sophisticated enough to serve well in a research laboratory, yet is simple and inexpensive enough to be affordable for instructional use.

Physical Description

12 p.

Notes

INIS; OSTI as DE96012450

Medium: P; Size: 12 p.

Source

  • 11. annual high-temperature plasma diagnostics conference, Monterey, CA (United States), 12-16 May 1996

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  • Other: DE96012450
  • Report No.: DOE/ER/53198--273
  • Report No.: CONF-960543--27
  • Grant Number: FG02-85ER53198
  • Office of Scientific & Technical Information Report Number: 266729
  • Archival Resource Key: ark:/67531/metadc672940

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • June 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 6, 2017, 8:26 p.m.

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Den Hartog, D.J. & Holly, D.J. A simple, low-cost, versatile CCD spectrometer for plasma spectroscopy, article, June 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc672940/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.