Holographic Wire Grid Polarizer, CaF2, 25 mm Dia., unmounted | Dynasil Corporation

Holographic Wire Grid Polarizer Specifications | WP-H-C-22.5-25U

Substrate	CaF2	Size (mm)	25 mm dia.
Size Tolerance	±0.5 mm	Thickness	2.0 mm
Thickness Tolerance	±0.5 mm	Clear Aperture	22.5 mm
Mount	Unmounted	Extinction ratio @ 3µ	150:1
Extinction ratio @ 8µ	300:1	Surface Flatness	λ/20 @ 10.6μ
Parallelism	≤ 3 arc minutes	Wire Grid Spacing	2700 grooves/mm

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Holographic Wire Grid Polarizer, KRS-5, 25 mm Dia., unmounted

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WP-H-K-22.5-25U

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Holographic Wire Grid Polarizer Specifications | WP-H-K-22.5-25U

Substrate	KRS-5	Size (mm)	25 mm dia.
Size Tolerance	±0.5 mm	Thickness	2.0 mm
Thickness Tolerance	±0.5 mm	Clear Aperture	22.5 mm
Mount	Unmounted	Extinction ratio @ 3µ	150:1
Extinction ratio @ 15µ	300:1	Surface Flatness	Does not apply to KRS-5
Parallelism	≤ 3 arc minutes	Wire Grid Spacing	2700 grooves/mm