Achromatic Waveplate λ/2 Φ25.4mm Design Wavelength1100-1650nm CA=10.0mm
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Product No. 338004
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- Dia Φ25.4mm
- Design Wavelength 1100nm-1650nm
- Retardance λ/2
- Angle of Incidence 0°
- Material Quartz-Crystal&MgF2
- Retardance Tolerance ±λ/100
- Surface Quality 40/20
- Parallelism ＜10 arcsec
- Diameter Tolerance +0/-0.1mm
- λ/50~λ/100@550 nm-700 nm Wavefront Aberration λ/8 @632.8 nm
- Clear Aperture 10.0mm
- AR Coating R＜0.5%@Design Wavelength
Achromatic Waveplate is composed of birefringent crystals of two different materials. Since the dispersion of the two materials is different, a relatively uniform phase Retardance can be achieved in a wide wavelength range. The Achromatic Waveplate is also less sensitive to temperature.
