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WPQ
Wavelength range
Theoretical retardation
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Quartz waveplates are zero-order retardation plates (phase plates) which are assembled from pairs of optically contacted crystalline quartz plates and are mounted on aluminum frames. Unlike multiple-order (higher-order) waveplates that are made from a single quartz plate, the net retardations of zero-order waveplates are only slightly affected by temperature change.

◦These products utilize birefringence of quartz and give phase difference of λ/4 (π/2, 90°) or λ/2 (π, 180°) to the input beams. λ/4 retarders convert linearly polarization to circularly and circularly polarization to linearly. λ/2 retarders convert the direction of polarization in 90 degrees.
◦Usually linearly polarized beams are input to the waveplates in a leaning of 45 degrees against its optic axis.

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▶Please contact our Sales Division for customized products. (Customized on size etc.)

Attention

▶These products can be used for the beams which wavelengths are in +/−1% of rated wavelength.
▶The surface flatness is the reflected wavefront distortion of the surface before coating.
▶Be sure to wear laser safety goggles when checking optical path and adjusting optical axis.

Common Specifications
MaterialCrystalline quartz
Material of frameAluminum (Finishing ; Black Anodized)
Clear aperture17×17mm
Surface flatnessλ/10
Angular deviation of beam<5″
CoatingAntireflection Coating on both side
retardation tolerance<λ/50 (λ<400nm)
λ/100〜λ/200 (400nm<λ<700nm)
λ/200〜λ/500 (700nm<λ)
Transmittance>98.5%
Laser Damage Threshold1J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality (Scratch-Dig)20-10
Outline Drawing

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Part Number
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    JP Yen Stock Qty
WPQ-2660-2M
WPQ-3250-2M
WPQ-3550-2M
WPQ-4050-2M
WPQ-4100-2M
WPQ-4416-2M
WPQ-4579-2M
WPQ-4880-2M
WPQ-5145-2M
WPQ-5320-2M
WPQ-6328-2M
WPQ-6700-2M
WPQ-7800-2M
WPQ-8300-2M
WPQ-10640-2M
WPQ-13000-2M
WPQ-15500-2M

λ/2

266nm

133nm

λ/2

325nm

162.5nm

λ/2

355nm

177.5nm

λ/2

405nm

202.5nm

λ/2

410nm

205nm

λ/2

441.6nm

220.8nm

λ/2

457.9nm

229nm

λ/2

488nm

244nm

λ/2

514.5nm

257.3nm

λ/2

532nm

266nm

λ/2

632.8nm

316.4nm

λ/2

670nm

335nm

λ/2

780nm

390nm

λ/2

830nm

415nm

λ/2

1064nm

532nm

λ/2

1300nm

650nm

λ/2

1550nm

775nm

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RoHS  

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RoHS  

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RoHS  

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RoHS  

¥66,500

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US
RoHS  

¥66,500

LOW
RoHS  

¥66,500

LOW
RoHS  

¥66,500

LOW
RoHS  

¥66,500

LOW
RoHS  

¥66,500

CONTACT
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RoHS  

¥66,500

LOW
RoHS  

¥66,500

IN STOCK