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Neutral Density Reflective Type Filters at 400-2000 nm

Neutral Density Reflective Type Filters at 400-2000 nm

Neutral density (ND) reflective type filters of 1’’ (25.4 mm) size with optical density that varies from 0.1 to 2.5 are available.

32 $
delivery Estimated delivery time: 4 - 5 days
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Specifications
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Description
Optical Density
Transmission T
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Code Glass Material Size Optical Density Transmission T Price Delivery Add to cart
i 245-2501 Corning 7059 ø 25,4x1,1 mm 0.1 79 % @550 nm 32 $ 4 - 5 days
i 245-2502 Corning 7059 ø 25,4x1,1 mm 0.2 63 % @550 nm 32 $ 4 - 5 days
i 245-2503 Corning 7059 ø 25,4x1,1 mm 0.3 50 % @550 nm 32 $ 4 - 5 days
i 245-2504 Corning 7059 ø 25,4x1,1 mm 0.4 40 % @550 nm 32 $ 4 - 5 days
i 245-2505 Corning 7059 ø 25,4x1,1 mm 0.5 32 % @550 nm 32 $ 4 - 5 days
i 245-2510 Corning 7059 ø 25,4x1,1 mm 1 10 % @550 nm 32 $ 4 - 5 days
i 245-2515 Corning 7059 ø 25,4x1,1 mm 1.5 3 % @550 nm 32 $ 4 - 5 days
i 245-2520 Corning 7059 ø 25,4x1,1 mm 2 1 % @550 nm 32 $ 4 - 5 days
i 245-2525 Corning 7059 ø 25,4x1,1 mm 2.5 0,3 % @550 nm 32 $ 4 - 5 days
Glass Material Corning 7059 (Borosilicate)
Outer Diameter 25.4 mm +0.0/-0.2 mm
Thickness 1.1 mm ± 0.1 mm
Surface Quality
40-20 scratch & dig (MIL-PRF-13830B)
Surface Flatness λ @ 633 nm
Parallelism <2 arcmin
Coating Reflective
Damage Threshold 20 mJ/cm2 (10 ns pulse)
Design wavelength 400-2000 nm
Optical density tolerance  ±10% Nominal
EKSMA Optics Neutral Density Reflective Type Filters
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Neutral density (ND) reflective type filters of 1’’ (25.4 mm) size with optical density that varies from 0.1 to 2.5 are available.

Neutral density filters of Corning 7059 glass provide spectrally uniform attenuation from 400 nm to 2000 nm. The reflective coatings enable to reduce thermal effects when these filters are used with moderate power lasers.