Concave Mirror, Broadband Metallic, 12.5 mm Focal Length, 480-20,000 nm

The 05DC25ER.2 protected silver concave mirror is used for focusing, collecting, and imaging with no chromatic aberration. This mirror can be used to manipulate laser beams or other broadband sources. This family of mirrors are available in three sizes, 12.7, 25.4, and 50.8 mm diameter, with radii of curvature from 25-2000 mm. This mirror is 12.7 mm in diameter, with an EFL of 12.5 mm and coated for a wavelength range of 480-20,000 nm.

Specifications

Technical Specs

Wavelength Range
480-20000 nm
Mirror Shape
Concave
Diameter
12.7 mm
Effective Focal Length (EFL)
12.5 mm
F/#
1
Radius of Curvature (R)
-25 mm
Material
Borofloat® 33
Coating Type
Protected Silver
Coating Code
ER.2
Angle of Incidence
0-15°
Reflectivity
R_avg>96%, R_min>93% @ 480-1100 nm;R_avg>98.5%, R_min>97% @ 1.1-20 µm
Damage Threshold
1 J/cm² with 10 ns pulses at 1064 nm, 20Hz
Surface Quality
40-20 scratch-dig

Surface Flatness
λ/4 at 632.8 nm
Back Surface
Fine ground
Edge Thickness (Te)
3.18 mm
Center Thickness (Tc)
2.36 mm
Thickness Tolerance
±0.25 mm
Diameter Tolerance
+0/-0.13 mm
Wedge
≤0.03 mm
Chamfers
0.25–0.76 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Wavelength Range
480-20000 nm
Mirror Shape
Concave
Diameter
12.7 mm
Effective Focal Length (EFL)
12.5 mm
F/#
1
Radius of Curvature (R)
-25 mm
Material
Borofloat® 33
Coating Type
Protected Silver
Coating Code
ER.2
Angle of Incidence
0-15°
Reflectivity
R_avg>96%, R_min>93% @ 480-1100 nm;R_avg>98.5%, R_min>97% @ 1.1-20 µm
Damage Threshold
1 J/cm² with 10 ns pulses at 1064 nm, 20Hz
Surface Quality
40-20 scratch-dig

Surface Flatness
λ/4 at 632.8 nm
Back Surface
Fine ground
Edge Thickness (Te)
3.18 mm
Center Thickness (Tc)
2.36 mm
Thickness Tolerance
±0.25 mm
Diameter Tolerance
+0/-0.13 mm
Wedge
≤0.03 mm
Chamfers
0.25–0.76 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Resources & Downloads

Other

05DC25ER.2 RoHS Certificate(703.5 kB, PDF)
ER.2 Raw Data.xlsx(205.4 kB, XLSX)

2D Product Drawings

05DC Series Drawing(100.7 kB, PDF)

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