Laser Line Dielectric Mirrors
  • High efficiency narrowband reflectivity
  • Rs, Rp >99% at a laser line
  • Over 35 types of substrates and 8 coatings to choose from
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DescriptionSpecifications Models Catalog PDF

Laser line dielectric mirrors are highly efficient reflectors optimized for a narrow wavelength range. We offer eight standard laser line mirror coatings, covering the ultraviolet, visible, and near infrared. Each achieves greater than 99% reflectance, from 0–45° angle of incidence, for any polarization. These multilayer dielectric coatings are extremely durable, making them resistant to damage from repeated cleaning. We offer standard dielectric coatings for HeCd, Argon-Ion, HeNe, low-power Nd:YAG, and diode lasers.

These mirrors are available in sizes from 12.7–203.2 mm (0.5–8.0 in.) with Pyrex® or Zerodur® substrates and in two elliptical sizes with Pyrex substrates. Pyrex has low thermal expansion and is an excellent substrate for most applications. Zerodur is a glass-ceramic material where thermal expansion is nominally zero. This extra stability can be critical for applications requiring diffraction limited performance.