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1/4 WAVE Square MIRROR, 4" X 4", ALSIO COATED

Click here to see our complete list of λ/4 square optical mirrors

Our λ/4 are manufactured from fine annealed borosilicate glass and come standard with an AlSiO coating (aluminum with a protective SiO overcoat). Other coatings for various optical wavelengths available upon request.

To order please call 262-548-1155 or Request a Quote.

All our optical mirrors are made in the United States and undergo a rigorous 100% quality assurance process before leaving our facility. We take pride in our integrity, which has helped us build long-lasting relationships with our customers.

Whether you require one of our many catalog windows or need a custom-fabricated window, Advanced Optics offers personalized service, saving you time and money by helping you select the best option for your application. You can trust us to provide 100% outgoing inspection and on-time delivery, all at competitive prices.

square optical mirror - 1/4 wave, 2 inch x 2 inch

1/4 Wave Mirror Specifications

Length (mm) 101.6mm +/- .254mm
Width (mm) 101.6mm +/- .254mm
Thickness (mm) 12.7mm +/- .500mm
Material Fine annealed borosilicate glass
Side 1 λ/4 @ 632.8nm
Side 2 Fine grind
Scratch and Dig 60/40
Edges Ground/Light hand seam
Coating AlSiO

In addition to our in-stock optical mirrors, Advanced Optics provides custom fabrication and free engineering services. We can also provide custom shapes, apply bevels, and drill holes to meet various demanding applications.

Need a custom coating? No problem. Advanced Optics can provide custom metallic coatings to meet your specific reflectivity requirements. Simply provide your wavelength(s) of interest, the % reflectivity you require, and the AOI you will be using your mirror and we will design the perfect coating for your application.

Click here to see the rest of our λ/4 optical mirrors .

Have a question? Give us call and tell us about your project. (262) 548-1155