realitydeslab / holokit-x-hardware

HoloKit X Hardware Development
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EVT Beam Splitter coating crak after UV test #28

Closed nicolehong0 closed 1 year ago

nicolehong0 commented 4 years ago

Beam Splitter coating crack failure obtained after UV test for EVT sample. (cannot find photo, sample is kept by TL)

UV test standard for EVT is ASTM G155 Cycle 4: • Filter: Window Glass • Irradiance: 0.3W/m2 • nm at 340nm • Continous light with 55% RH, at 55°C black panel temperature. • Duration: 240h