Quartz Waveplate 30mm Diameter Wavelength 830nm λ/4

WPQ-8300-4M

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.
More Information
Name Quartz Waveplate 30mm Diameter Wavelength 830nm λ/4
Weight 0.0080kgs
Standard Coatings Available No
Guide
  • Please contact our Sales Division for customized products. (Customized on size etc.)
Remark -
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.
Image Label Quartz Waveplate 30mm Diameter Wavelength 830nm λ/4
Material Crystalline quartz
Material of frame Aluminum (Finishing ; Black Anodized)
Clear aperture 17×17mm
Surface flatness λ/10
Angular deviation of beam <5″
Coating Antireflection 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 Threshold 1J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
type λ/4
Wavelength range 830nm
Theoretical retardation 207.5nm
In stock
SKU
WPQ-8300-4M
$699.00

Delivery in : in stock

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.

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