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QE and polarization measurements of samples with grid as a function of bias voltage

Cathode R&D 04/26/06. QE and polarization measurements of samples with grid as a function of bias voltage Tantalum ring with smaller hole in place Comparison with previous results. AlGaAs/GaAs SL, 784nm laser illumination, no grid. -. -.

kirestin-livingston
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QE and polarization measurements of samples with grid as a function of bias voltage

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  1. Cathode R&D 04/26/06 • QE and polarization measurements of samples with grid as a function of bias voltage • Tantalum ring with smaller hole in place • Comparison with previous results

  2. AlGaAs/GaAs SL, 784nm laser illumination, no grid - -

  3. IQE 100nm GaAs, 5x10^16cm-3, 784nm laser illumination, 4x16mm grid

  4. Tantalum rings 2 12mm

  5. Conclusions • Wait for the thick grid samples (~1mm thick metal grid) by May 10. • Expect the InGaAs/GaAs samples from SVT this week.

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