High Power IR Waveplates

Description

Meller Sapphire Waveplates change the polarization state of a laser beam from linear to circular and vise versa to extend polarization control into the infrared; beyond fused silica optical waveplates. Custom manufactured in sizes from 10 to 30 mm in “A” or “M” plane configurations, their crystallographic orientation and location are fully validated on an in-house X-Ray Goniometer to assure the highest possible accuracy.

 

Featuring Mohs 9 hardness which is second only to diamond, Meller Sapphire Waveplates are highly resistant to chemicals, scratching, shock, and temperature fluctuations. Manufactured as thin as 0.5 mm and < 25 mm dia. with transmitted wavefront of up to λ/10 @6.32.8 nm, they are A/R coated on both sides and provide λ/4 and λ/2 retardation with tolerances of > λ/300 @632 µm, > λ/400 @1.06 µm, and > λ/1000 @2.94 µm.

Specs

Diameter6.0 to 50.0 mm
Thickness75 microns to 1.50 mm depending on diameter
Transmitted Wavefront Errorλ / 10 @ 0.632 µm over the clear aperture
Surface Quality10-5 scratch-dig per MIL-PRF-13830 over the clear aperture
Parallelism1.0 arc seconds maximum
Clear Aperturecentral 85% of the diameter
Retardation Toleranceλ / 200 to λ / 1200 depending on wavelength
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