Uploaded August 2018 | Updated September 2026, 12 hours ago

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Illumination of Photocathode, with 915nm Laser, Reveals Dislocations, Fringes, Anisotropic Strain etc...

The dislocation and strain at glass-to-GaAs interface and/or GaAs-to-Cesium interface. The interference fringes are likely formed at the bonding interface between the input window and GaAs wafer. Dislocation and strain might be related to thermal shock during activation process.

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