LIGO Document T0900026-v1
- Initial Results from PNNL Scanning Electron microscope ITM witness sample. PNNL has undertaken a collaboration to examine the genesis of coating defects in the LIGO 1 optics. We have sent one 1" witness piece, these are the first images. Some notes appear in the file "SEM Image...with notes". Viewing angle was ~55 degrees.
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