Velocity spectrometer for particles in the 10-meV to 10-keV range
- 1 September 1976
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 47 (9) , 1178-1182
- https://doi.org/10.1063/1.1134795
Abstract
We have measured the velocity spectrum of a Na beam emerging from a charge exchange source from the thermal up to the 2‐keV region. The spectrometer is based on the Doppler‐shifted resonance absorption of photons, produced by a tunable single‐mode cw dye laser. A sensitivity of less than 100 atoms/cm3 at velocity resolutions of about 70 m/sec in the thermal region and 0.5% at higher energies is achieved. The performance of the spectrometer is discussed. 361Keywords
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