Silicon (Si) Mirrors

Coated silicon substrates are most commonly used as mirrors for CO2 lasers. Its advantages are good durability, thermal stability and relatively low cost. The total reflectors are used as rear reflectors and fold mirrors externally as beam benders in beam delivery systems.

Delivery

Estimated delivery time: from 4 - 5 days

Diameter
Thickness
Code Diameter Thickness Price Delivery Add to cart
575-6250 ø 25.4 mm 3 mm 65 $ 4 - 5 days To cart
575-6380 ø 38.1 mm 4 mm 104 $ 4 - 5 days To cart
575-6500 ø 50.8 mm 5 mm 175 $ 4 - 5 days To cart
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Specifications

Material

Silicon (Si)

Density, g/cm3

2,33

Surface quality

40-20 scratch & dig (MIL-PRF-13830B)

Clear aperture

>80% of diameter

Diameter tolerance

+0.0 -0.2 mm

Thickness tolerance

±0.25 mm

Surface flatness

λ/4 @ 633 nm

Operation wavelength

10.6 µm

Coating

protected gold

Reflectivity for unpolarised radiation

> 99%

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