What is the best material for my desired reflectivity?

rasgar

I need a good reflecting collimation material that is faily cheap and has a reflectivity of about 95% for both infrared and visible light. I know polished aluminum meets the criteria for the infrared, and the fused silica also works well for the visible spectrum, but I need somthing that can collimate both.

Claude Bile

This has been posted in the General Physics forums.

http://www.physicsforums.com/showthread.php?t=143323

Claude.

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rasgar	What is the best material for my desired reflectivity? Tweet I need a good reflecting collimation material that is faily cheap and has a reflectivity of about 95% for both infrared and visible light. I know polished aluminum meets the criteria for the infrared, and the fused silica also works well for the visible spectrum, but I need somthing that can collimate both.

Claude Bile Recognitions: Science Advisor	This has been posted in the General Physics forums. http://www.physicsforums.com/showthread.php?t=143323 Claude.