First Surface Mirrors, Protected & Enhanced Aluminum | EMF, Dynasil with Typical Energy Density Limit 0.3 J/cm2 @ 532nm & 1064nm, 10ns

Evaporated Metal Films (EMF)

First Surface Mirrors with Typical Energy Density Limit 0.3 J/cm2 @ 532nm & 1064nm, 10ns

Protected and enhanced aluminum curve — Protected and Enhanced Aluminum Reflectance Curve 250 – 10,000nm

Front Surface Mirror

A front or first surface mirror provides superior optical quality for engineering and scientific applications. Unlike a standard household mirror, which is coated on the second surface of the glass, a first surface mirror provide an accurate reflection without ghost images. Optical experts recommend first surface mirrors for use in precision optics applications.

Metal coatings are typically very fragile without a protective overcoat. A dielectric coating on a metallic mirror increases the durability of the metal coating as well as provides a barrier to help prevent oxidation. The overcoat has little impact on the performance of the metal coating.

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Protected Aluminum Mirror

Protected Aluminum Mirror

Standard Protected Aluminum is our most popular mirror coating for applications in the visible and near-infrared. A layer of Silicon Dioxide (SiO2) is typically used as an overcoat to protect the aluminum layer. This addition to the coating provides an abrasion-resistant surface while maintaining the performance of aluminum mirror. Another option for the overcoat is Magnesium Fluoride (MgF2).

Enhanced Aluminum Mirror

Enhanced Aluminum Mirror

In our Enhanced Aluminum coating, a multi-layer film of dielectrics on top of aluminum is used to increase the reflectance in the visible regions. This coating is ideal for applications requiring increased reflectance from 400 – 650nm. The multi-layer film also provides the same durability characteristics as the protected aluminum coating.

Product SKUs

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	102.0 x 127.0	Size Tolerance	±0.76
Thickness	6.0	Angle of Incidence	45°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	15 Diameter	Size Tolerance	±0.76
Thickness	2.0	Angle of Incidence	45°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	169.0 x 194.0	Size Tolerance	±0.76
Thickness	6.0	Angle of Incidence	0°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	17.0 x 23.0	Size Tolerance	±0.76
Thickness	1.0	Angle of Incidence	45°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	19.0 x 19.0	Size Tolerance	±0.76
Thickness	1.0	Angle of Incidence	45°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	200.0 x 235.0	Size Tolerance	±0.76
Thickness	6.0	Angle of Incidence	45°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	204.0 x 254.0	Size Tolerance	±0.76
Thickness	6.0	Angle of Incidence	45°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	204.0 x 254.0	Size Tolerance	±0.76
Thickness	2.0	Angle of Incidence	45°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	21.0 x 26.0	Size Tolerance	±0.76
Thickness	6.0	Angle of Incidence	45°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns

Optical Coating	Protected Aluminum	Substrate	Soda Lime Float Glass
Size (mm)	22.0 x 22.0	Size Tolerance	±0.76
Thickness	3.0	Angle of Incidence	45°
Clear Aperture	90%	Surface Flatness	4 – 6λ
Coating Specification	Ravg >85% @ 400 – 700nm	Wavelength Range	400-700nm
Edges	Cut, 0.5mm Maximum Edge Chip	Surface Quality	80-50
Typical Energy Density Limit	0.3 J/cm2 @ 532nm & 1064nm, 10ns