Dielectric Mirror, Broadband, Zerodur, 25.4 mm, 488-694 nm

High-Performance Zerodur Dielectric Mirrors

The 10Z40BD.1 Broadband Dielectric Mirror is an extremely versatile mirror for laboratory applications and highly efficient over a broad wavelength range. This 1 inch (25.4 mm) diameter mirror is made from a 6.0 mm thick Zerodur substrate. Zerodur is a glass-ceramic material where thermal expansion is nominally zero. This extra stability can be critical for applications requiring diffraction limited performance. The BD-1 coating is extremely durable and will withstand repeated cleaning. This mirror has a λ/20 surface flatness and a 10-2 surface quality.

Specifications

Technical Specs

Wavelength Region
VIS
Wavelength Range
488-694 nm
Mirror Shape
Round
Diameter
25.4 mm
Mirror Size
Ø25.4 mm
Thickness
6.0 mm
Material
Zerodur^® or equivalent
Coating Type
Broadband Dielectric
Coating Code
BD.1
Surface Quality
10-2 scratch-dig
Surface Flatness
λ/20 at 632.8 nm
Substrate Number
10Z40

Angle of Incidence
0-45°
Clear Aperture
≥central 80% of diameter
Back Surface
Ground
Reflectivity
Rs (avg)>99%, Rp (ave)>98% @ 488-694 nm
Damage Threshold
500 W/cm² CW, 3 J/cm², 10 ns pulses, 10 Hz, at 532 nm
Diameter Tolerance
+0/-0.13 mm
Thickness Tolerance
±0.25 mm
Chamfers
0.25–0.76 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Wavelength Region
VIS
Wavelength Range
488-694 nm
Mirror Shape
Round
Diameter
25.4 mm
Mirror Size
Ø25.4 mm
Thickness
6.0 mm
Material
Zerodur^® or equivalent
Coating Type
Broadband Dielectric
Coating Code
BD.1
Surface Quality
10-2 scratch-dig
Surface Flatness
λ/20 at 632.8 nm
Substrate Number
10Z40

Angle of Incidence
0-45°
Clear Aperture
≥central 80% of diameter
Back Surface
Ground
Reflectivity
Rs (avg)>99%, Rp (ave)>98% @ 488-694 nm
Damage Threshold
500 W/cm² CW, 3 J/cm², 10 ns pulses, 10 Hz, at 532 nm
Diameter Tolerance
+0/-0.13 mm
Thickness Tolerance
±0.25 mm
Chamfers
0.25–0.76 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Resources & Downloads

Other

10Z40BD.1 RoHS Certificate(263.6 kB, PDF)
10Z40BD.1_ROHS2-2021.pdf(281.5 kB, PDF)
BD.1 Raw Data.xlsx(89.2 kB, XLSX)

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