Broadband Dielectric Mirrors

Dielectric coated mirrors offer near total reflection, minimizing losses in almost all optical systems. They operate over a spectral range of up to several hundred nanometers, at angles of incidence typically within 0° to 45°. Their coatings are very durable, making them easier to clean repeatedly and more resistant to laser damage. Newport's standard dielectric mirrors utilize Borofloat 33, an excellent general purpose substrate. When high thermal stability is required, Zerodur mirror substrates should be considered because of their nearly zero coefficient of thermal expansion. For high-energy laser applications, UV fused silica substrates are recommended.

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