| Message: | Waveplates, also known as retardation plates, are optical element having two principal axes slow and fast, that resolve an incident polarized beam into two mutually perpendicular polarized beams. The emerging beam recombines to form a particular single polarized beam. Retardations plates produce full, half, quarter and octadic-wave retardations.
Low Order Waveplates
The properties of low order waveplates are much better than the multi-order wave-plates because of its thinner thickness (less than 0.5mm). Better temperature (38℃), Wavelength (1.5nm) and incident angle (4.5°) bandwidth and high damage threshold make it widely used in common application. Also it is economical.
Key features:
- Thickness: 0.2-0.5mm
- High damage threshold
- Better temperature bandwidth
- Low cost
Capability
Material: Crystal Quartz
Dimension Tolerance: +0.0, -0.1mm
Wavefront Distortion: λ/8
Retardation tolerance: λ/500
Wavelength range: 240-2100nm
Parallelism: < 1 arc second
Surface Quality: 20-10 scratch & dig
Coating: AR/AR coating, R < 0.2% on both surface at central wavelength
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