visible-negative-achromatic-doublet-lenses

Visible MgF2 Negative Achromatic Lenses

Specifications

Technical Specs

Lens Type
Cemented Negative Achromatic Doublet
Lens Shape
Bi-Concave
Antireflection Coating
400-700 nm
Coating Type
Visible Single-Layer MgF₂
Damage Threshold
1.0 J/cm² @ 1064 nm, 10 ns , 10 Hz
Transmission
T_avg>98%
Surface Quality
40-20 scratch-dig
Surface Accuracy, Irregularity
λ/4

Surface Accuracy, Power
1.5 λ
Orientation
Steepest concave surface should face the infinite conjugate
Design Wavelengths
587.6 nm
Centration
≤1 arc min
Diameter Tolerance
+0/-0.025 mm
Focal Length Tolerance
±2.0%

Lens Type
Cemented Negative Achromatic Doublet
Lens Shape
Bi-Concave
Antireflection Coating
400-700 nm
Coating Type
Visible Single-Layer MgF₂
Damage Threshold
1.0 J/cm² @ 1064 nm, 10 ns , 10 Hz
Transmission
T_avg>98%
Surface Quality
40-20 scratch-dig
Surface Accuracy, Irregularity
λ/4

Surface Accuracy, Power
1.5 λ
Orientation
Steepest concave surface should face the infinite conjugate
Design Wavelengths
587.6 nm
Centration
≤1 arc min
Diameter Tolerance
+0/-0.025 mm
Focal Length Tolerance
±2.0%

Resources & Downloads

Technical Notes