Circular, Square, Rectangular Mirrors

Mirrors have a highly polished surface for reflecting light. The reflecting surface is usually a thin coating of aluminum or silver. Most mirrors for optical applications are called first surface types since the coating is on the front surface thereby eliminating the optical properties of the glass from affecting the incident or reflected light. The rear surface is usually fine ground.

All of the following mirrors have a protected Aluminum coating applied to the front surface.

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Specification Standard Grade High Grade
Material BK7 grade A BK7 grade A or Fused Silica
Dimensional Tolerance +0.0/-0.1mm +0.0/-0.1mm
Flatness
(TWF)
λ /5 @ 632.8nm λ /10 @ 632.8nm
Surface Quality
Scratch/Dig
40/20 10/5
Thickness Tolerance ±0.2mm ±0.2mm
Parallelism < 3 arc minutes < 3 arc minutes

 

BK7 Grade A Optical Glass, Standard MB11 and High MB12
Model No Dia mm Thick Price Model No Dia mm Thick Price
MB11-010 10.0 2.0 20 MB12-010 10.0 2.0 36
MB11-012 12.5 2.0 20 MB12-012 12.5 6.0 36
MB11-020 20.0 2.0 23 MB12-020 20.0 6.0 46
MB11-025 25.0 2.0 26 MB12-025 25.0 6.0 56
MB11-038 38.0 4.0 30 MB12-038 38.0 10.0 63
MB11-050 50.0 4.0 40 MB12-050 50.0 10.0 122

 

UV Grade Fused Silica, High MF22
Model No Dia mm Thick Price
MF22-010 10.0 2.0 46
MF22-012 12.5 6.0 53
MF22-020 20.0 6.0 66
MF22-025 25.0 6.0 79
MF22-038 38.0 10.0 254
MF22-050 50.0 10.0 304

 

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