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topic 5211

Clean, Optical Black Finish for Space Telescope


We are designing optical instrumentation for a scientific deep-space mission and are considering constructing one of our miniature telescope tubes of thin walled titanium.

We require an optical black finish with the following properties:

Suggestions for black/titanium, titanium-black/copper, titanium-copper-black/nickel or any other candidate finishes will be appreciated. Geometries will be irregular cylindrical tubes 10-15 cm i.d. x 10-30 cm length.

Dr. Don Michels
Washington, DC


When you mention optical spectrum, is it infrared, visible or UV?

Mandar Sunthankar
- Fort Collins, Colorado


I would consider black Ruthenium plating as it has good wear resistance. Ask your supplier for more details.

sara michaeli
sara michaeli signature 
Sara Michaeli
chemical process supplier
Tel-Aviv, Israel

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