Broadband Quartz Waveplates

WPQW

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WPQW

Air spaced two piece waveplates are suitable for use with high-energy lasers (no optical contact occurs). 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.

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WPQW-65/78-2M

650 - 780nm

1 week

₹117,053.50

Material	Crystalline quartz , MgF₂
Material propreties	Aluminum (Finishing ; Black Anodized)
Clear aperture	14×14mm
Transmitted wavefront distortion	λ/4( Per one pice of substrate)
Angular deviation of beam	＜5″
Coating	Antireflection Coating on both side (Total 4 surfaces)
Transmittance	＞Average 98%
type	λ/2
Wavelength range λ	650 - 780nm
Theoretical retardation (fｉｒｓt Wavelength)	325.3nm (at 650nm)
Theoretical retardation (Second Wavelength)	352.7nm (at 700nm)
Theoretical retardation (Third Wavelength)	376.9nm (at 750nm)
Theoretical retardation (4th Wavelength)	398.8nm (at 800nm)
Laser Damage Threshold<sup>*</sup>	7J/cm²
Availability	Please contact

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WPQW-NIR-4M

700 - 1000nm

1 week

₹117,053.50

Material	Crystalline quartz , MgF₂
Material propreties	Aluminum (Finishing ; Black Anodized)
Clear aperture	14×14mm
Transmitted wavefront distortion	λ/4( Per one pice of substrate)
Angular deviation of beam	＜5″
Coating	Antireflection Coating on both side (Total 4 surfaces)
Transmittance	＞Average 98%
type	λ/4
Wavelength range λ	700 - 1000nm
Theoretical retardation (fｉｒｓt Wavelength)	172.4nm (at 700nm)
Theoretical retardation (Second Wavelength)	201nm (at 800nm)
Theoretical retardation (Third Wavelength)	225.2nm (at 900nm)
Theoretical retardation (4th Wavelength)	247.2nm (at 1000nm)
Laser Damage Threshold<sup>*</sup>	7J/cm²
Availability	Please contact

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WPQW-VIS-2M

400 - 700nm

6-12 weeks

₹117,053.50

Material	Crystalline quartz , MgF₂
Material propreties	Aluminum (Finishing ; Black Anodized)
Clear aperture	14×14mm
Transmitted wavefront distortion	λ/4( Per one pice of substrate)
Angular deviation of beam	＜5″
Coating	Antireflection Coating on both side (Total 4 surfaces)
Transmittance	＞Average 98%
type	λ/2
Wavelength range λ	400 - 700nm
Theoretical retardation (fｉｒｓt Wavelength)	184.6nm (at 400nm)
Theoretical retardation (Second Wavelength)	259nm (at 500nm)
Theoretical retardation (Third Wavelength)	300.3nm (at 600nm)
Theoretical retardation (4th Wavelength)	328.9nm (at 700nm)
Laser Damage Threshold<sup>*</sup>	4J/cm²
Availability	Please contact

details

WPQW-65/78-4M

650 - 780nm

1 week

₹117,053.50

Material	Crystalline quartz , MgF₂
Material propreties	Aluminum (Finishing ; Black Anodized)
Clear aperture	14×14mm
Transmitted wavefront distortion	λ/4( Per one pice of substrate)
Angular deviation of beam	＜5″
Coating	Antireflection Coating on both side (Total 4 surfaces)
Transmittance	＞Average 98%
type	λ/4
Wavelength range λ	650 - 780nm
Theoretical retardation (fｉｒｓt Wavelength)	162.2nm (at 650nm)
Theoretical retardation (Second Wavelength)	175.9nm (at 700nm)
Theoretical retardation (Third Wavelength)	188nm (at 750nm)
Theoretical retardation (4th Wavelength)	198.9nm (at 800nm)
Laser Damage Threshold<sup>*</sup>	7J/cm²
Availability	Please contact

details

WPQW-IR-2M

1000 - 1600nm

6-12 weeks

₹117,053.50

Material	Crystalline quartz , MgF₂
Material propreties	Aluminum (Finishing ; Black Anodized)
Clear aperture	14×14mm
Transmitted wavefront distortion	λ/4( Per one pice of substrate)
Angular deviation of beam	＜5″
Coating	Antireflection Coating on both side (Total 4 surfaces)
Transmittance	＞Average 98%
type	λ/2
Wavelength range λ	1000 - 1600nm
Theoretical retardation (fｉｒｓt Wavelength)	510.2nm (at 1000nm)
Theoretical retardation (Second Wavelength)	595.4nm (at 1200nm)
Theoretical retardation (Third Wavelength)	696.3nm (at 1400nm)
Theoretical retardation (4th Wavelength)	814.3nm (at 1600nm)
Laser Damage Threshold<sup>*</sup>	7J/cm²
Availability	Please contact

details

WPQW-VIS-4M

400 - 700nm

6-12 weeks

₹117,053.50

Material	Crystalline quartz , MgF₂
Material propreties	Aluminum (Finishing ; Black Anodized)
Clear aperture	14×14mm
Transmitted wavefront distortion	λ/4( Per one pice of substrate)
Angular deviation of beam	＜5″
Coating	Antireflection Coating on both side (Total 4 surfaces)
Transmittance	＞Average 98%
type	λ/4
Wavelength range λ	400 - 700nm
Theoretical retardation (fｉｒｓt Wavelength)	92.8nm (at 400nm)
Theoretical retardation (Second Wavelength)	130nm (at 500nm)
Theoretical retardation (Third Wavelength)	150.6nm (at 600nm)
Theoretical retardation (4th Wavelength)	164.9nm (at 700nm)
Laser Damage Threshold<sup>*</sup>	4J/cm²
Availability	Please contact

details

WPQW-NIR-2M

700 - 1000nm

1 week

₹117,053.50

Material	Crystalline quartz , MgF₂
Material propreties	Aluminum (Finishing ; Black Anodized)
Clear aperture	14×14mm
Transmitted wavefront distortion	λ/4( Per one pice of substrate)
Angular deviation of beam	＜5″
Coating	Antireflection Coating on both side (Total 4 surfaces)
Transmittance	＞Average 98%
type	λ/2
Wavelength range λ	700 - 1000nm
Theoretical retardation (fｉｒｓt Wavelength)	344.8nm (at 700nm)
Theoretical retardation (Second Wavelength)	402nm (at 800nm)
Theoretical retardation (Third Wavelength)	450.4nm (at 900nm)
Theoretical retardation (4th Wavelength)	494.4nm (at 1000nm)
Laser Damage Threshold<sup>*</sup>	7J/cm²
Availability	Please contact

details

WPQW-IR-4M

1000 - 1600nm

1 week

₹117,053.50

Material	Crystalline quartz , MgF₂
Material propreties	Aluminum (Finishing ; Black Anodized)
Clear aperture	14×14mm
Transmitted wavefront distortion	λ/4( Per one pice of substrate)
Angular deviation of beam	＜5″
Coating	Antireflection Coating on both side (Total 4 surfaces)
Transmittance	＞Average 98%
type	λ/4
Wavelength range λ	1000 - 1600nm
Theoretical retardation (fｉｒｓt Wavelength)	255.1nm (at 1000nm)
Theoretical retardation (Second Wavelength)	297.7nm (at 1200nm)
Theoretical retardation (Third Wavelength)	348.1nm (at 1400nm)
Theoretical retardation (4th Wavelength)	407.1nm (at 1600nm)
Laser Damage Threshold<sup>*</sup>	7J/cm²
Availability	Please contact

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◦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.