Broadband Dielectric Mirror, Zerodur, 25.4 mm, 700-950 nm
Description
The 10Z40BD.2 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.2 coating offers high reflectance for near infrared diode laser applications. The BD-2 coating is extremely durable and will withstand repeated cleaning. This mirror has a λ/20 surface flatness and a 10-2 surface quality.
Technical Specs
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Wavelength Region
NIR
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Wavelength Range
700-950 nm
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Mirror Shape
Round
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Mirror Size
Ø25.4 mm
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Material
Zerodur®
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Coating Type
Broadband Dielectric
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Coating Code
BD.2
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Surface Quality
10-2 scratch-dig
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Surface Flatness
λ/20 at 632.8 nm
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Substrate Number
10Z40
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Angle of Incidence
0-45°
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Clear Aperture
≥central 80% of diameter
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S2 Surface
Ground
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Reflectivity
Rs (avg)>99%, Rp (ave)>97% @ 700-950 nm,R(avg)>80% at 632.8 nm
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Damage Threshold
1000 W/cm2 CW, 1 J/cm2 with 10 nsec pulses within the wavelength range, typical
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Thickness
6.0 mm
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Thickness Tolerance
±0.25 mm
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Diameter
25.4 mm
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Diameter Tolerance
+0/-0.13 mm
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Chamfers
0.25–0.76 mm face width
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Chamfers Angle Tolerance
45° ±15°
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Cleaning
Non-abrasive method, acetone or isopropyl alcoholon lens tissue recommended