Features
- Dielectric Coating: 1280 - 1600 nm
- >99% Average Reflectivity in Dielectric Coating Range
This IR Broadband Dielectric Concave Mirror is designed for light collection, imaging, and focusing applications. This reflective optic focuses light without introducing chromatic aberration, making it especially suitable for broadband sources.
Specifications
- Dielectric Coating Range: 1280 - 1600 nm
- Reflectivity (Average): >99%
- Damage Threshold: 1 J/cm2 (355 nm, 10 ns, 10 Hz, Ø0.373 mm)
- Substrate Material: N-BK7
- Irregularity Tolerance: λ/4 @ 633 nm
- Clear Aperture: >90% of Diameter
- Thickness Tolerance: ±0.2 mm
- Surface Quality: 20-10 Scratch-Dig
- Diameter Tolerance: +0.0 mm / -0.2 mm
- Chamfer (Typical): 0.25 mm @ 45°
- Backside Surface: Fine Ground (Not Polished)
- Diameter: 2"
- Focal Length: 200 mm
- Center Thickness: 9.0 mm
- Edge Thickness: 9.8 mm
- Radius of Curvature: 400.0 mm
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