Air Gap Type Waveplates

WPQG

Air Gap Type Waveplates
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WPQG
Air spaced two piece waveplates are suitable for use with high-energy lasers (no optical contact occurs).
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Air Gap Waveplate 30mm Diameter Wavelength 355nm λ/2
WPQG-3550-2M
φ30mm
6-12 weeks
$1,098.00
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 355nm
Clear aperture □15mm
Theoretical retardation 177.5nm
Laser Damage Threshold<sup>*</sup> 4J/cm
Availability Please contact
i
Air Gap Waveplate 30mm Diameter Wavelength 266nm λ/4
WPQG-2660-4M
φ30mm
2 weeks
$1,098.00
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/4
Diameter φ30mm
Wavelength range 266nm
Clear aperture □15mm
Theoretical retardation 66.5nm
Laser Damage Threshold<sup>*</sup> 1.4J/cm
Availability Please contact
i
Air Gap Waveplate 30mm Diameter Wavelength 1064nm λ/4
WPQG-10640-4M
φ30mm
6-12 weeks
$998.00
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/4
Diameter φ30mm
Wavelength range 1064nm
Clear aperture □15mm
Theoretical retardation 266nm
Laser Damage Threshold<sup>*</sup> 7J/cm
Availability Please contact
i
Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 515nm λ/2
WPQG-25.4C-5150-2M
25.4mm
6-12 weeks
$904.00
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 φ25.4mm
Wavelength range 515nm
Clear aperture φ15mm
Theoretical retardation 257.5nm
Laser Damage Threshold<sup>*</sup> 4J/cm2
Availability Please contact
i
Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 343nm λ/4
WPQG-25.4C-3430-4M
25.4mm
6-12 weeks
$998.00
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/4
Diameter φ25.4mm
Wavelength range 343nm
Clear aperture φ15mm
Theoretical retardation 85.8nm
Laser Damage Threshold<sup>*</sup> 4J/cm
Availability Please contact
i
Air Gap Waveplate 30mm Diameter Wavelength 532nm λ/2
WPQG-5320-2M
φ30mm
2 weeks
$998.00
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 532nm
Clear aperture □15mm
Theoretical retardation 266nm
Laser Damage Threshold<sup>*</sup> 4J/cm
Availability Please contact
i
Air Gap Waveplate 30mm Diameter Wavelength 355nm λ/4
WPQG-3550-4M
φ30mm
6-12 weeks
$1,098.00
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/4
Diameter φ30mm
Wavelength range 355nm
Clear aperture □15mm
Theoretical retardation 88.8nm
Laser Damage Threshold<sup>*</sup> 4J/cm
Availability Please contact
i
Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 257nm λ/2
WPQG-25.4C-2570-2M
25.4mm
6-12 weeks
$998.00
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 φ25.4mm
Wavelength range 257nm
Clear aperture φ15mm
Theoretical retardation 128.5nm
Laser Damage Threshold<sup>*</sup> 1.4J/cm2
Availability Please contact
i
Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 1030nm λ/2
WPQG-25.4C-10300-2M
25.4mm
6-12 weeks
$904.00
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 φ25.4mm
Wavelength range 1030nm
Clear aperture φ15mm
Theoretical retardation 515nm
Laser Damage Threshold<sup>*</sup> 10J/cm2
Availability Please contact
i
Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 515nm λ/4
WPQG-25.4C-5150-4M
25.4mm
2 weeks
$904.00
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/4
Diameter φ25.4mm
Wavelength range 515nm
Clear aperture φ15mm
Theoretical retardation 171.5nm
Laser Damage Threshold<sup>*</sup> 4J/cm
Availability Please contact
i
Air Gap Waveplate 30mm Diameter Wavelength 266nm λ/2
WPQG-2660-2M
φ30mm
2 weeks
$1,098.00
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 266nm
Clear aperture □15mm
Theoretical retardation 133nm
Laser Damage Threshold<sup>*</sup> 1.4J/cm
Availability Please contact
i
Air Gap Waveplate 30mm Diameter Wavelength 1064nm λ/2
WPQG-10640-2M
φ30mm
2 weeks
$998.00
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 1064nm
Clear aperture □15mm
Theoretical retardation 532nm
Laser Damage Threshold<sup>*</sup> 7J/cm
Availability Please contact
i
Air Gap Waveplate 30mm Diameter Wavelength 532nm λ/4
WPQG-5320-4M
φ30mm
2 weeks
$998.00
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/4
Diameter φ30mm
Wavelength range 532nm
Clear aperture □15mm
Theoretical retardation 133nm
Laser Damage Threshold<sup>*</sup> 4J/cm
Availability Please contact
i
Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 343nm λ/2
WPQG-25.4C-3430-2M
25.4mm
2 weeks
$998.00
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 φ25.4mm
Wavelength range 343nm
Clear aperture φ15mm
Theoretical retardation 171.5nm
Laser Damage Threshold<sup>*</sup> 4J/cm2
Availability Please contact
i
Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 257nm λ/4
WPQG-25.4C-2570-4M
25.4mm
2 weeks
$998.00
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/4
Diameter φ25.4mm
Wavelength range 257nm
Clear aperture φ15mm
Theoretical retardation 64.4nm
Laser Damage Threshold<sup>*</sup> 1.4J/cm
Availability Please contact
i
Air Gap Waveplate 25.4mm (1 inch) Diameter Wavelength 1030nm λ/4
WPQG-25.4C-10300-4M
25.4mm
2 weeks
$904.00
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/4
Diameter φ25.4mm
Wavelength range 1030nm
Clear aperture φ15mm
Theoretical retardation 257.5nm
Laser Damage Threshold<sup>*</sup> 10J/cm
Availability Please contact

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◦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.

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