Air-Spaced 0th Order Waveplates

Material: High grade quartz crystals.
Made of two multiple order waveplates with orthogonal optical axes.
Mounted with an air space.
High damage threshold.
Large wavelength and temperature bandwidths.
Diameter 15mm, mounted in OD 1" holder.

On this page are waveplates commonly used in an SPDC setup. Pleas visit here for more waveplates at other wavelengths and with different apertures.

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Model	Name	retardation	wavelength	attr_size	Price	Availability	Action
WPA03-H-810	Air-spaced 0th order waveplate, λ/2 @ 810nm, Dia 15.0mm, OD 1" mounted	λ/2	810nm		USD$349.00
WPA03-H-405	Air-spaced 0th order waveplate, λ/2 @ 405nm, Dia 15.0mm, OD 1" mounted	λ/2	405nm		USD$349.00
WPA03-Q-810	Air-spaced 0th order waveplate, λ/4 @ 810nm, Dia 15.0mm, OD 1" mounted	λ/4	810nm		USD$349.00
WPA03-Q-405	Air-spaced 0th order waveplate, λ/4 @ 405nm, Dia 15.0mm, OD 1" mounted	λ/4	405nm		USD$349.00	Out Of Stock
WPA03-Q-355	Air-spaced 0th order waveplate, λ/4 @ 355nm, Dia. 15.0mm, OD 1" mounted	λ/4	355nm	Dia 15mm	USD$349.00	Out Of Stock
WPA03-H-355	Air-spaced 0th order waveplate, λ/2 @ 355nm, Dia. 15.0mm, OD 1" mounted	λ/2	355nm	Dia 15mm	USD$349.00	Out Of Stock
WPA04-H-355	Air-spaced 0th order waveplate, λ/2 @ 355nm, Dia. 20.0mm, OD 1" mounted	λ/2	355nm	Dia 20mm	USD$349.00	Out Of Stock
WPA03-Q-710	Air-spaced 0th order waveplate, λ/4 @ 710nm, Dia. 15.0mm, OD 1" mounted	λ/4	710nm	Dia 15mm	USD$349.00
WPA03-H-710	Air-spaced 0th order waveplate, λ/2 @ 710nm, Dia. 15.0mm, OD 1" mounted	λ/2	710nm	Dia 15mm	USD$349.00
WPA03-Q-775	Air-spaced 0th order waveplate, λ/4 @ 775nm, Dia. 15.0mm, OD 1" mounted	λ/4	775nm	Dia 15mm	USD$389.00
WPA03-H-775	Air-spaced 0th order waveplate, λ/2 @ 775nm, Dia. 15.0mm, OD 1" mounted	λ/2	775nm	Dia 15mm	Ask

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Air-spaced Waveplate Specifications:

Dimensions Tolerance: +/- 0.1 mm
Wavefront Distortion: < λ/8 @632.8nm
Retardation Tolerance: < λ/300
Surface Quality: 20-10 scratch and dig
Coating: AR coating with R < 0.2% at the center wavelength
Holder: Anodized aluminum holder
Clear Aperture: > Diameter - 2.0mm (mounted)