ZnSe (Zinc Selenide) Focusing Lenses

A full line of ZnSe (zinc selenide) focusing lenses that are optimized for use with steel cutting lasers up to 4 kW and suitable field replacements by users is available from Laser Research Optics.

Laser Research Optics CO₂ Laser Lenses come in plano-convex and –meniscus configurations in 1” to 2” OD sizes with thicknesses ranging from 0.250” to 0.380”. They are offered in two versions: one with standard A/R coatings that provide less than 0.2 percent total absorption and another with a proprietary Cool-Cut coating which absorbs less than 0.15 percent of laser energy to protect against heat damage.

Suitable for OEMs or field replacement, Laser Research Optics CO₂ Laser Lenses feature focal lengths from 3” to 10” in 0.5” increments, are optimized for 10.6 microns and can be supplied plain or mounted. Available for 200 W to 4 kW CO₂ cutting lasers, they are made for Amada, Cincinnati, Mazak, Mitsubishi, Prima, Strippit, Trumpf and others.