Achromatic Waveplate
Specifications
Substrate Material Substrate Material: crystal Quartz and MgF2
Dimension +0.0, -0.2mm
Wavefront distortion <l/4 @ 632.8
Retardation tolerance up to λ/100 at specified wavelength
Standard Wavelength: VIS: 465nm~610nm
NIR: 700nm~1000nm
IR: 1200nm~1650nm
Parallelism up to 10 arc second
Surface quality 20/10 scratch and dig
 
Cemented Achromatic Waveplate
Part No
Retardation
Outside Diameter D (mm)
Φ (mm)
AW3412
λ/4
25.4
12.7
AW3212
λ/2
25.4
12.7
Airspaced Achromatic Waveplate
Part No.
Retardation
Outside Diameter D (mm)
Φ (mm)
AW4412
λ/4
25.4
12.7
AW4212
λ/2
25.4
12.7
Optically Contacted Achromatic Waveplate
Part No.
Retardation
Outside Diameter D (mm)
Φ (mm)
AW2412
λ/4
25.4
12.7
AW2212
λ/2
25.4
12.7
The standard waveplate wavelengths (nm) of Dream Lasers' achromatic waveplates: 
A. 465~610nm
B. 700~1000nm
C. 1200~1650nm
Please refer to the Glossary and Technology for more information about achromatic waveplates
Other sizes and coatings are available upon request.
Please refer to Mount for Waveplates