Opt⚙City ®-Quality Crystal & Optical Components
Achromatic waveplate is made of two or more matched birefringent crystals, where the retardation changes are minimized as the wavelength changes. These achromatic waveplates are used for tunable lasers, multiple laser-lines and other broad spectrum sources. Super-achromatic waveplate consists of three achromatic waveplates based on Pancharatnama's design is used for modulator in polarimeter.
Dimension Tolerance: +0.0/-0.1mm
Parallelism: <1 arc second
Surface Quality: 40-20
Wavefront Distortion: λ/8@633nm
Retardation Variation: λ/100 wave
Clear Aperture: 90% central
Coating: Broadband AR-coating R<0.5%
Mount: Black anodized aluminum
standard wavelength: 450-680nm, 700-1000nm, 950-1300nm, 1200-1650nm, 400-2500nm.
OptoCity offer standard and custom design achromatic waveplates. Please contact our sales for more information.
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