Zero Order Waveplate

The zero order waveplate is designed to give a retardance of zero full waves, plus the desired fraction. Zero order waveplate shows better performances than multiple order waveplates, it has broad bandwidth and a lower sensitivity to temperature and wavlenght changes. It should be considered for more critical online_orderings.

Specifications:

Material:----------------------------------------Quartz
Dimension Tolerance: -------------------+0.0, -0.2
Wavefront Distortion: ----------------------< l/8@633nm
Retardation tolerance: --------------------see below table
Parallelism: ----------------------------------<3 arc second(General), <1arc second(High precision)
Surface quality: ------------------------------20-10
Clear aperture: ------------------------------ Central 90%
AR coated: ------------------------------------<0.2% @ wavelength

Wavelength Range(nm)	< 400	532-632.8	780-980	1064	>1310
Retardation Tolerance	<λ/100	<λ/200	<λ/300	<λ/400	<λ/500

Holder:refer to Holder for waveplate
FOCtek provides standard waveplate wavelengths (nm) listed as below:

266

355

400

532

632.8

780

808

850

980

1064

1310

1480

1550

Note: Other wavelengths within the ranger of 200-2300nm are also available upon request.

Zero Order Waveplates-Cemented by Epoxy
This type of zero order waveplate is constructed of two multiple order waveplate with their axes crossed.Thus,the effect of the first plate is canceled by the second,except for the residual difference between them.

Cemented by Epoxy
Better Temperature Bandwidth
Wide Wavelength Bandwidth
AR Coated, R<0.2%

Quarter Waveplates	Half Waveplates	Diameter (mm)
P/N #	P/N #
WPC210Q	WPC210H		10
WPC212Q	WPC212H	12.7
WPC215Q	WPC215H	15
WPC220Q	WPC220H	20
WPC225Q	WPC225H	25.4
WPC230Q	WPC230H	30

Note:"RFQ"satands for "Request For Quoting"

Zero Order Waveplate s-Optically Contacted

Optically Contacted
AR Coated,R<0.2%
High Damage Threshold
Better Temperature Bandwidth
Wide Wavelength Bandwidth

Quarter Waveplates	Half Waveplates	Diameter (mm)
P/N #	P/N #
WPO210Q	WPO210H		10
WPO212Q	WPO212H	12.7
WPO215Q	WPO215H	15
WPO220Q	WPO220H	20
WPO225Q	WPO225H	25.4
WPO230Q	WPO230H	30

Note:"RFQ"satands for "Request For Quoting"

Zero Order Waveplate -Air-spaced

Double Retardation Plates
AR Coated,R<0.2% and Mounted
High Damage Threshold
Better Temperature Bandwidth
Wide Wavelength Bandwidth

Quarter Waveplates	Half
Waveplates	Mount Diameter	Aperture	Thickness
P/N #	(mm)	(mm)	(mm)
WPA210Q	WPA210H	25.4	10	8
WPA212Q	WPA212H	25.4	12.7	8
WPA215Q	WPA215H	25.4	15	8
WPA220Q	WPA220H	30	20	8
WPA225Q	WPA225H	30	23.5	8

Note:"RFQ"satands for "Request For Quoting"

True Zero Order Waveplate

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