Air spaced Zero Order Waveplate

Air spaced zero order wave plate is constructed by two quartz plates with their fast axis crossed, installing in a mount to form air gap between the two quartz plates.

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Air Spaced Zero Order Waveplate

Air spaced zero order waveplate is constructed by two quartz plates with their fast axis crossed, installing in a mount to form air gap between the two quartz plates. The difference in thickness between the two plates determines the retardance.

Specifications

Dimension:	As requirement
Phase Retardation:	λ/8, λ/4, λ/2 or discretional
Wavefront Distortion:	≤λ/10@632.8nm (except UV cemented waveplate)
Retardation Tolerance:	≤λ/300, ≤λ/500
Wavelength Tolerance:	260-1600 nm
Parallelism:	≤2″ (except UV cemented waveplate)
Surface Quality:	20/10, 40/20 scratch and dig
Clear Aperture:	≥90%

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