penetration depth of a laser beam (HeNe) in Al2O3-substrate

Feb 19, 2006 0 Replies

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S

schmu 20 years ago

Hi,

can anybody tell me the penetration depth of a HeNe-laser beam (wavelength: 632nm, P=5mW) in an Al2O3-substrate (saphire)?

Thank you very much!

Christian

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