Jinan Crystrong Photoelectric Technology Co.,Ltd
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Achromatic (Broadband) Waveplates for Elliptical Polarization
Product description:
Achromatic (broadband) waveplates (AWP) are pair of crystalline quartz and magnesium fluoride plates of controlled thickness with crossed fast axes to create a λ/2 or λ/4 delay in the broad wavelength range. The difference in dispersion between materials allows the arrangement of a slow phase shift over a broad wavelength range.
Achromatic waveplates are needed for various devices, such as tunable laser sources, multiple laser line systems, and other broad-spectrum sources. Achromatic (Broadband) waveplates could be used to replace a number of single-wavelength quartz waveplates, making your system more convenient and easier to use.
Material
Crystalline Quartz + MgF₂
Surface quality, S-D
20/10*
Transmitted wavefront distortion, P-V
<λ/8 @ 632.8 nm*
Retardation tolerance @ 20°C
±λ/100
Clear aperture
Ø5 – 76.2 mm
AR coatings
Ravg<0.75% on each surface
LIDT
>5 J/cm² @ 1064 nm, 10 ns, 10 Hz
Mounting
Black anodized metal mount
*depending on size