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Low-order | Cenmented Zero-order | True-Zero Order | Achromatic | Dual-wavelength | Rotator
 
Zero-Order Waveplate
It is constructed of two multi-order waveplates with their axis crossed. Thus, it performs as a zero-order waveplate because of the effect of two plates counteracting each other. It has wide temperature bandwidth and wavelength bandwidth properties. Cemented zero order waveplate should used for low power (<10MW/cm^2). Optical conteacted and airspaced zero order waveplate are fit for high power laser applications (>500MW/cm^2).
 
Cemented or Optically Contacted Zero-Order Waveplate
Specifications:

Material: Crystal Quartz
Dimension Tolerance: +0.0, -0.2 mm
Wavefront Distortion: <
l/8 @ 632.8 nm
Retardation:
l/8, l/4, l/2 or l (typical)
Retardation Tolerance:
<l/500 (typical)
Wavelength Range: 400-2100 nm
Parallelism: <1 arc second
Surface Quality: 20-10 scratch and dig

 
Air spaced Zero-order Waveplate
 

Specifications:

Material:
Crystal Quartz
Dimension Tolerance: +0.0, -0.2 mm
Wavefront Distortion: <
l/8 @ 632.8 nm
Retardation: l/8, l/4, l/2 or l (typical)
Retardation Tolerance:
<l/500 (typical)
Wavelength Range: 240-2100 nm
Parallelism: <1 arc second
Surface Quality: 20-10 scratch and dig


Sample retardation curve of low order and zero order waveplate

Conclusion: Zero order waveplate has wider banwith and less sensitive to wavelength.

AR/AR Coating R<0.2% per face is available upon request.
Other retardations are also available.
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