Up for auction is a 633nm HR Mirror measuring 28mm x 28mm x 3mm thick.  Fused silica substrate polished to 1/5 wave flat. >99% reflection at HeNe wavelength.  Surplus inventory from Integrated Optical Services made for an OEM customer for a laser instrument using 633nm.  Side 2 is clear.  These reflect very well at 633nm 0-45 AOI although designed for 45 degrees.

As always, your complete satisfaction is guaranteed.  I have many happy customers and would like you to become one as well.   For more general laboratory optics such as bandpass filters, aluminum coated visible mirrors, cylindrical lenses, and achromat lenses at equally fantastic prices, please visit Sterling Resale Optics  

Winning bid to pay $4.40 shipping within USA with discounted shipping for multiple parts.  Combine with my other auction items going on now and save even more.   International bids ok but have patience with the postal system. Good Luck!!