Opti-Forms offers a range of standard dielectric coatings. The performance of each of these coatings are displayed in the reflectivity graph.

Most requirements can be satisfied with our standard coatings available, although specifc tuning of reflectance properties can be designed to meet your optical design requirements. Please contact our Thin Film Group and talk to one of our friendly and knowledgeable sales engineers.

thin film optical coating performance graphs



Move your mouse (cursor) over the color coded boxes below to view the performance curve for each of the standard metal optical coatings.

Move your mouse (cursor) anywhere in the chart to see all of the performance curves overlaid.

Reflectivity Science - Dielectric

Dichroic Cold Mirror

A hybrid coating developed for illumination applications such as motion picture projection systems. A high reflectance dichroic coating for the visible spectrum is combined with an infrared absorbing component, allowing over 75% of the infrared (heat) energy to be absorbed into the reflector. With a reflectance of over 95% in the visible range, the elimination of most of the infrared in the downstream optical path, and excellent durability, the premium cost for this optimized system is clearly justified.

VISHM

High photopic throughput is combined with high IR rejection using this filter. This filter is useful in the downstream optical train to remove unwanted IR while maximizing the throughput of visible wavelengths. A VISHM on side 1 combined with an AR coating on side 2 provides a 90% photopic efficiency and 95% rejection from 830 - 1100nm.

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