Kristallinquarz Wellenplatten

Kristallinquarz Wellenplatten

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Material Crystalline Quartz
Diameter tolerance +0/-0.2 mm
Thickness tolerance ±0.2 mm
Surface quality 20-10 S-D
Transmitted wavefront distortion (TWD) <λ/10 @ 632.8 nm
Retardation tolerance λ/300 @ 20 °C
Parallelism error <3 arcsec
Coatings AR (R<0.2 %) on each surface
Laser induced damage threshold >10 J/cm2 for 10 ns pulses @ 1064 nm
Mounting Mounted in Ø25.4x6 mm black anodized metal mount
Waveplates are made from materials which exhibit birefringence. The velocities of the extraordinary and ordinary rays through the birefringent material varies inversely with their refractive indices. This difference in velocities gives rise to a phase difference when the two beams recombine. At any specific wavelength the phase difference is governed by the thickness of the retarder - waveplate.

Half (λ/2) Waveplate. A linearly polarized beam incident on a half wave crystal quartz waveplate emerges as a linearly polarized beam but rotated such that its angle to the optical axis is twice that of the incident beam. Therefore, half-waveplates can be used as continuously adjustable polarization rotators. Half-waveplates are used to rotate the plane of polarization, electro-optic modulation and as a variable ratio beamsplitter when used in conjunction with a polarization cube.

Quarter (λ/4) Waveplate - thin-film compensator. If the angle between the electric field vector of the incident linearly polarized beam and the retarder principal plane of the quarter-waveplate is 45, the emergent beam is circularly polarized. When a quarter waveplate is double passed, i.e. by mirror reflection, it acts as a half waveplates and rotates the plane of polarization to a certain angle. Quarter waveplate are used in creating circular polarization from linear or linear polarization from circular, ellipsometry, optical pumping, suppressing unwanted reflection and optical isolation.
Zero Order waveplates are generally preferred since they are least sensitive to variations in wavelength, angle of incidence and temperature.

Standard waveplates are based on air-spaced construction which allows to use the waveplate for high power applications. The damage threshold is more than 20 J/cm² for 10 ns pulses @ 1064 nm

To suit specific applications waveplates can employ, glued and optically contacted contruction Zero Order compensated design which is available on request.
varna Waveplates are made from excellent quality laser grade Crystalline Quartz material

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Produkte per Seite Seite
Clear aperture, mm Retardation Wavelength, nm Retardation order Delivery Produkt ID Price
>18 λ/2 473 ZO Request 2-CPW-ZO-L2-0473 Request REQ
>18 λ/2 940 ZO Request 2-CPW-ZO-L2-0940 Request REQ
>18 λ/4 473 ZO Request 2-CPW-ZO-L4-0473 Request REQ
>8 λ/2 343 ZO Request 2-CPW-ZO-L2-0343-S Request REQ
>8 λ/4 343 ZO Request 2-CPW-ZO-L4-0343-S Request REQ
>8 λ/4 355 ZO Request 2-CPW-ZO-L4-0355-S Request REQ
>8 λ/2 355 ZO Request 2-CPW-ZO-L2-0355-S Request REQ
>8 λ/4 400 ZO Request 2-CPW-ZO-L4-0400-S Request REQ
>8 λ/2 400 ZO Request 2-CPW-ZO-L2-0400-S Request REQ
>8 λ/4 515 ZO Request 2-CPW-ZO-L4-0515-S Request REQ
>8 λ/2 515 ZO Request 2-CPW-ZO-L2-0515-S Request REQ
>8 λ/4 532 ZO Request 2-CPW-ZO-L4-0532-S Request REQ
>8 λ/4 800 ZO Request 2-CPW-ZO-L4-0800-S Request REQ
>8 λ/2 800 ZO Request 2-CPW-ZO-L2-0800-S Request REQ
>8 λ/4 1030 ZO Request 2-CPW-ZO-L4-1030-S Request REQ
>8 λ/2 1030 ZO Request 2-CPW-ZO-L2-1030-S Request REQ
>8 λ/4 1064 ZO Request 2-CPW-ZO-L4-1064-S Request REQ
>8 λ/2 1064 ZO Request 2-CPW-ZO-L2-1064-S Request REQ
>18 λ/4 940 ZO Request 2-CPW-ZO-L4-0940 Request REQ
>8 λ/2 532 ZO Request 2-CPW-ZO-L2-0532-S Request REQ
>18 λ/2 266 ZO Request 2-CPW-ZO-L2-0266 260 €
>18 λ/2 355 ZO Request 2-CPW-ZO-L2-0355 260 €
>18 λ/2 780 ZO Request 2-CPW-ZO-L2-0780 260 €
>18 λ/4 266 ZO Request 2-CPW-ZO-L4-0266 260 €
>18 λ/4 355 ZO Request 2-CPW-ZO-L4-0355 260 €
>18 λ/4 515 ZO Request 2-CPW-ZO-L4-0515 260 €
>18 λ/4 1030 ZO Request 2-CPW-ZO-L4-1030 260 €
>18 λ/2 980 ZO From stock 2-CPW-ZO-L2-0980 Request REQ
>18 λ/2 800 ZO From stock 2-CPW-ZO-L2-0800 260 €
>18 λ/4 852 ZO From stock 2-CPW-ZO-L4-0852 260 €
>18 λ/4 980 ZO From stock 2-CPW-ZO-L4-0980 Request REQ
>18 λ/2 400 ZO From stock 2-CPW-ZO-L2-0400 260 €
>18 λ/4 400 ZO From stock 2-CPW-ZO-L4-0400 260 €
>18 λ/4 1550 ZO From stock 2-CPW-ZO-L4-1550 260 €
>18 λ/4 532 ZO From stock 2-CPW-ZO-L4-0532 260 €
>18 λ/4 633 ZO From stock 2-CPW-ZO-L4-0633 260 €
>18 λ/4 1064 ZO From stock 2-CPW-ZO-L4-1064 260 €
>18 λ/2 633 ZO From stock 2-CPW-ZO-L2-0633 260 €
>18 λ/2 1550 ZO From stock 2-CPW-ZO-L2-1550 260 €
>18 λ/2 852 ZO From stock 2-CPW-ZO-L2-0852 260 €
>18 λ/2 515 ZO From stock 2-CPW-ZO-L2-0515 260 €
>18 λ/4 780 ZO From stock 2-CPW-ZO-L4-0780 260 €
>18 λ/4 800 ZO From stock 2-CPW-ZO-L4-0800 260 €
>18 λ/2 1030 ZO From stock 2-CPW-ZO-L2-1030 260 €
>18 λ/2 532 ZO From stock 2-CPW-ZO-L2-0532 260 €
>18 λ/2 1064 ZO From stock 2-CPW-ZO-L2-1064 260 €

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