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IMPS - IMPS

IMPS (Imaging MultiPlexed Spectrometer)

IMPS (Imaging MultiPlexed Spectrometer) is a multi-analyser detector system for the thermal TAS IN8.

It is intended for imaging the (Q,ω) space. Its design makes it compatible with the classical TAS configuration.

Its strong points are :

  • Gain in instrumental flexibility
  • Gain in count rate of factor 2-3

Instrument layout

1 - The whole assembly with its shielding

  • 1: protection of the position sensitive detector (PSD)
  • 2: protection of the multi-blades analyser

2 - The crystal-collimator assembly

  • 1: analysers
  • 2: crystal mechanics
  • 3: variable collimator system

3 - The position sensitive detector