UHV-Compatible Electrostatically-Driven Tuning Fork Chopper

Abstract

We have developed an electrostatically driven tuning fork chopper which is compatible with an ultrahigh vacuum (UHV) environment. Constructed with a commercially available tuning fork using stainless steel and alumina parts, the chopper is capable of operating while exposed to high temperature samples and corrosive gases. Operation in a UHV environment while modulating both optical and molecular beams is demonstrated. Tuning fork chopper, Ultrahigh vacuum, Molecular beams.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1992
Accession Number
ADA256943

Entities

People

  • Andrew Freedman
  • David D. Nelson Jr.
  • Paul L. Kebabian
  • Spiros Kallelis

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Chemistry
  • Corrosive Gases
  • Detection
  • Detectors
  • Environment
  • Frequency
  • High Temperature
  • Laser Beams
  • Mass Spectrometers
  • Molecular Beams
  • Resonance
  • Resonant Frequency
  • Scattering
  • Spectrometers
  • Stainless Steel
  • Tuning Forks
  • Ultrahigh Vacuum

Fields of Study

  • Physics

Readers

  • Electronics Engineering
  • Metallurgy
  • Optical Fiber Sensing and Electromagnetic Propagation.