QE and polarization measurements of samples with grid as a function of bias voltage
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1. QE and polarization measurements of samples with grid as a function of bias voltage 2. Tantalum ring with smaller hole in place 3. Comparison with previous results Cathode R&D 04/26/06
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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. -. -. - PowerPoint PPT Presentation
Transcript of QE and polarization measurements of samples with grid as a function of bias voltage
1. QE and polarization measurements of samples with grid as a function of bias voltage
2. Tantalum ring with smaller hole in place3. Comparison with previous results
Cathode R&D 04/26/06
AlGaAs/GaAs SL, 784nm laser illumination, no grid
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IQE 100nm GaAs, 5x10^16cm-3, 784nm laser illumination, 4x16m grid
Tantalum rings
12mm
2
Conclusions
• Wait for the thick grid samples (~1mm thick metal grid) by May 10.
• Expect the InGaAs/GaAs samples from SVT this week.
