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Copper and other materials as beam blocks 1

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Wktrex

Wktrex

Mechanical
Jun 14, 2007
3
I am laser cutting a titanium medical device, and using a copper beam block to prevent back wall damage. I am curious if anyone has experience using other materials for beam blocks (since copper is not tissue friendly). If I continue to use the copper, does any one no of a good chemical copper removal process.
 
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You don't say what wavelength your laser is. If it is a CO2 laser, be aware that copper is highly reflective at 10.6, even if it is highly oxidized. A much better choice for a beam block would be graphite.

Timelord
 
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Sorry, I forgot the wavelength. I am using a Nd/YAG at 1.06. I will look into the graphite.
 
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