Optical Materials

Double-Sided Lapping and Polishing Double-sided lapping and polishing utilizes planetary action with the combination of a top and bottom plate to precisely grind and polish precision, parallel optics. Double-sided processing is a batch-type process that uses planetary action — generally with loose, abrasive particles suspended in a liquid vehicle — to abrade material almost equally […]

Considerations When Buying Large Format Windows

What are Optical Windows? Optical windows, by function separate two environments for the purposes of either chemical, environmental, mechanical, thermal purposes, or a combination thereof. Windows range in a variety of sizes from just a few mms in diameter to meter-class optics. With optical windows, the key specifications involve transmitted wavefront, cosmetics, and dimensional requirements. […]