Procedure
https://docs.google.com/document/d/1S94E_sG0lsHjCt70gnzeCo6ReKtVgDCiAdlnnkhN10c/edit
HeNe (
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GreeNe) mirror in/out:
Align the laser vector
Alignment procedure:
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https://docs.google.com/document/d/1S94E_sG0lsHjCt70gnzeCo6ReKtVgDCiAdlnnkhN10c/edit
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