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Home > Products > Mirrors > Dielectric Mirrors

Broadband Dielectric Mirrors

    dielectric-mirror

Brief of all-dielectric high reflectivity reflectors

All-dielectric mirrors usually include broadband dielectric mirrors and single-point band high-reflectivity mirrors. The broadband dielectric mirror is made of optical glass sheet, fused silica, and sapphire as the substrate, and the surface is coated with a dielectric coating to eliminate the polarization of light. Therefore, it can reflect incident light at a fixed value of 45 degrees.

The high-quality dielectric optical high reflectivity coating is very dense and hard, and the reflectivity is also very high. Because the absorption of broadband dielectric mirror is very small, so it can be used in high-energy laser system. Compared with metal film, it has many advantages. For example, its properties are barely degraded over time, durable, easy to clean, and so on.

Creator Optics (CNCO) can produce various customized broadband dielectric mirrors such as sapphire high-reflectivity reflectors. The main materials are BK7, fused silica, sapphire, BOROFLOAT, Pyrex etc.

    

The specifications of broadband dielectric mirrors are as follows:

Dimensions Dia.5mm to Dia.200mm, customized available
Dimensions Tolerance +0/-0.1mm, +/-0.1mm, +0/-0.2mm
Thickness Tolerance +/-0.05mm, +/-0.1mm
Surface Quality 40/20, 20/10
Surface Accuracy 1/4 lambda, 1/10 lambda per 25mm @633nm, customized available
Clear Aperture >90%
Parallelism <3 arc min
Bevel 0.25(+0.25/-0.00)mm X 45°
Material sapphire, Fused Silica, BK7, Pyrex, BOROFLOAT
Coating All dielectric high reflection coating
Laser Damage Threshold >15J/cm2, pulse rate 20kHz



* For more information or other materials and requests, please contact us.


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