Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 257nm λ/2

WPQG-2570-2M

Air spaced two piece waveplates are suitable for use with high-energy lasers (no optical contact occurs).For Nd-YAG lasers and Yb lasers, there is a lineup from fundamental to 4th harmonic.
◦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 arbitrarily.
◦Air spaced type waveplates are zero-order (first-order) retardation plates (phase plates) which are assembled from pairs of crystalline quartz plates and are mounted on aluminum frames.
◦Custom-made air spaced type waveplates for other wavelengths (248nm, 257nm, 308nm etc.) are also available.
More Information
Name Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 257nm λ/2
Weight 0.0150kgs
Standard Coatings Available No
Guide
  • Please contact our Sales Division for customized products. (Customized on size etc.)
Remark -
Attention
  • Unlike multiple-order (higher-order) waveplates that are made from a single quartz plate, the net retardations of zero-order waveplates are almost not affected by temperature change.
  • 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.
  • Standard thickness of Aluminum frame is 8.4mm (subject to differ without notice).
Diameter φ30mm
Image Label Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 257nm λ/2
Material Crystalline quartz
Material of frame Aluminum (Finishing ; Black Anodized)
Surface flatness λ/10
Angular deviation of beam <5″
Coating Antireflection Coating on both side (Total 4 surfaces)
retardation tolerance <λ/50 (λ<400nm)
λ/100〜λ/200 (400nm<λ<700nm)
λ/200〜λ/500 (700nm<λ)
Transmittance >98%
type λ/2
Diameter φ30mm
Wavelength range 257nm
Clear aperture □15mm
Theoretical retardation 128.5nm
Laser Damage Threshold<sup>*</sup> 1.4J/cm2
Availability Please contact
In stock
SKU
WPQG-2570-2M
€985.30

Delivery in : 1 week

Air spaced two piece waveplates are suitable for use with high-energy lasers (no optical contact occurs).For Nd-YAG lasers and Yb lasers, there is a lineup from fundamental to 4th harmonic.

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