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TMT testing of CO2 Optics Cleaning System.

August 15th, 2018

Credit: TMT International Observatory / Fred Kamphues

Mockup of the high pressure CO2 cable wrap at the TMT technical laboratory. Thomas Chylek, TMT opto-mechanical engineer (seen from the back) is holding a CO2 gun to demonstrate the testing of the cleaning process that will be used to drive any dust particle off the TMT mirror surfaces (primary, secondary and tertiary mirrors).