Nova Phase - Precision Optics Manufacturing

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Substrate: Glass
Diameter: 25.0mm ± 0.5mm
Thickness: 1mm ± 0.25mm
Clear Aperture: 90% O.D.
Surface Accuracy: <5λ/25mm
Coating Quality: 40-20 Scratch-Dig
Parallelism: <3 Arc Min
Maximum Power: 0.75W/cm²-CW

For same day delivery see our strategic partner Thorlabs, Inc.

For Quantity Discounts, OEM and Custom Orders, please contact us directly.

These metal coated (Inconel) glass ND filters provide a uniform attenuation over a broad spectral range. The "optical density" is defined by the following equation: ND=log10(1/T), or T=10^-ND. The Inconel film is a very hard metallic alloy that is resistant to aging under normal conditions. The Inconel coating will oxidize at elevated temperatures: it is recommended that the ND filters only be used at temperatures below 100°C.

Reflective Neutral Density Filter, D-0.2, 25mm

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>FNR0.3

Reflective Neutral Density Filter, D-0.3, 25mm

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>FNR0.4

Reflective Neutral Density Filter, D-0.4, 25mm

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>FNR0.5 Reflective Neutral Density Filter, D-0.5, 25mm ThorLabs-ErrorSorryAnerroroccurredwhenyourequestedthispage.Theerrorhasbeenloggedandwewillworktocorrecttheproblem.Weapologizefortheinconvenience.Pleaseemailwebmaster@thorlabs.comifyoureceievedthispagebyaccident.ReturntoThorlabsHomepage>FNR0.6 Reflective Neutral Density Filter, D-0.6, 25mm ThorLabs-ErrorSorryAnerroroccurredwhenyourequestedthispage.Theerrorhasbeenloggedandwewillworktocorrecttheproblem.Weapologizefortheinconvenience.Pleaseemailwebmaster@thorlabs.comifyoureceievedthispagebyaccident.ReturntoThorlabsHomepage>FNR1.0 Reflective Neutral Density Filter, D-1.0, 25mm ThorLabs-ErrorSorryAnerroroccurredwhenyourequestedthispage.Theerrorhasbeenloggedandwewillworktocorrecttheproblem.Weapologizefortheinconvenience.Pleaseemailwebmaster@thorlabs.comifyoureceievedthispagebyaccident.ReturntoThorlabsHomepage>FNR2.0 Reflective Neutral Density Filter, D-2.0, 25mm ThorLabs-ErrorSorryAnerroroccurredwhenyourequestedthispage.Theerrorhasbeenloggedandwewillworktocorrecttheproblem.Weapologizefortheinconvenience.Pleaseemailwebmaster@thorlabs.comifyoureceievedthispagebyaccident.ReturntoThorlabsHomepage>FNR3.0 Reflective Neutral Density Filter, D-3.0, 25mm ThorLabs-ErrorSorryAnerroroccurredwhenyourequestedthispage.Theerrorhasbeenloggedandwewillworktocorrecttheproblem.Weapologizefortheinconvenience.Pleaseemailwebmaster@thorlabs.comifyoureceievedthispagebyaccident.ReturntoThorlabsHomepage>FNR4.0 Reflective Neutral Density Filter, D-4.0, 25mm

Nova Phase :: 43 Sparta Ave :: Newton, NJ :: 07860 :: Phone 973-579-NOVA (6682) :: Fax 973-383-6037