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Large Feild Angle Optical Waveplate 12.7mm True Zero Order Waveplate

Specifications

Brand Name :

STAR OPTIC

Model Number :

WPF

Certification :

RoHS, ISO9001

Place of Origin :

Wuhan, China

MOQ :

1pc

Price :

Negotiable

Payment Terms :

T/T, Western Union, Paypal

Supply Ability :

50000pcs/Month

Delivery Time :

Negotiable

Packaging Details :

Safe and dust-free packing

Product Name :

True Zero Order λ/2 Half Wave Plate

Material :

Crystalline Quartz + BK7

Retardation :

half-wave(λ/2)

Type :

Cemented

Main Feature :

Large angle acceptance

Coating :

AR coated on both sides

Description

True Zero Order Λ/2 Half Wave Plate, Large Feild Angle, For Imaging Systems

Overview:

Comparing with normal two plates design Zero order waveplates having a relatively larger thickness which reduces the field angle, the True zero order wave plates are made of a very thin plate or cemented with a BK7 substrate, which ensures the best possible field angle, temperature and wavelength performance. True zero order waveplate is widely used in laser Lab and optical instrument. True zero order waveplate is also an ideal case of optical waveplate for the applications where a large filed angle is necessary, such as imaging systems.

Main Features of True Zero Order Wave Plate:

Large angle acceptance
Low temperature sensitivity
Wide spectral bandwidth

General Specifications of True Zero Order Waveplate:

Material	Crystalline Quartz + BK7
Dimension Tolerance	+0.0/-0.2mm
Surface Quality	20/10 scratch and dig
Clear Aperture	>90% central area
Wavefront Distortion	<λ/8@632.8nm
Parallelism	<1 arc seconds
Retardation Tolerance	<λ/300
Standard Wave	half-wave(λ/2)
Coating	Both sides AR coated, R<0.25% per face @ central wavelength
Damage Threshold	>500mJ/cm², 20ns, 20Hz @1064nm

Standard Products of True Zero Order λ/2 Half Wave Plate:

Part Number	Type	Diameter (mm)	Retardation (λ)	Wavelength (nm)	Clear Aperture (mm)
WPF212-633	Cemented	12.7	λ/2	633	11.5
WPF225-633	Cemented	25.4	λ/2	633	22.9
WPF212-780	Cemented	12.7	λ/2	780	11.5
WPF225-780	Cemented	25.4	λ/2	780	22.9
WPF212-795	Cemented	12.7	λ/2	795	11.5
WPF225-795	Cemented	25.4	λ/2	795	22.9
WPF212-852	Cemented	12.7	λ/2	852	11.5
WPF225-852	Cemented	25.4	λ/2	852	22.9
WPF212-894	Cemented	12.7	λ/2	894	11.5
WPF225-894	Cemented	25.4	λ/2	894	22.9
WPF212-1310	Cemented	12.7	λ/2	1310	11.5
WPF225-1310	Cemented	25.4	λ/2	1310	22.9
WPF212-1550	Cemented	12.7	λ/2	1550	11.5
WPF225-1550	Cemented	25.4	λ/2	1550	22.9

Retardance Graph of True Zero Order Waveplate:

633nm Ture Zero Order Waveplate