Specifications
Retardation
λ/2
Retardation Accuracy
±λ/50
Material
Air Spaced Crystal Quartz and MgF2
Diameter
25.4 mm
Housing
Black anodized aluminum
Clear Aperture
18 mm
Antireflection Coating
Broadband, multilayer coating
Average Reflectance
<0.5%
Pulse Damage Threshold
5 J/cm2 with 10 nsec pulses at 1064 nm
Surface Quality
40-20 scratch-dig
Surface Flatness
λ/2
Transmitted Beam Deviation
≤1 arc min
Wavefront Distortion
≤λ/8 at 632.8 nm over the clear aperture
Diameter Tolerance
±0.13 mm
Thickness
9.4 mm
Operating Temperature Range
-20 to 50°C
Retardation
λ/2
Retardation Accuracy
±λ/50
Material
Air Spaced Crystal Quartz and MgF2
Diameter
25.4 mm
Housing
Black anodized aluminum
Clear Aperture
18 mm
Antireflection Coating
Broadband, multilayer coating
Average Reflectance
<0.5%
Pulse Damage Threshold
5 J/cm2 with 10 nsec pulses at 1064 nm
Surface Quality
40-20 scratch-dig
Surface Flatness
λ/2
Transmitted Beam Deviation
≤1 arc min
Wavefront Distortion
≤λ/8 at 632.8 nm over the clear aperture
Diameter Tolerance
±0.13 mm
Thickness
9.4 mm
Operating Temperature Range
-20 to 50°C
