Newport Corporation | Optical Filters | Neutral-Density-Filters

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Home > Products > Optical Filters > Neutral Density Filters > Absorptive Neutral Density Filters

Absorptive Neutral Density Filters

Broadband attenuation, visible to near IR
Absorptive neutral density glass
25.4 mm dia and 50.8 mm square sizes are permanently marked with the optical density
For lower power applications

Product Description Product Detail Specifications Drawings Catalog PDF

Product Description

Our absorptive neutral density filters provide broadband attenuation for the visible to near-infrared region. These filters are precision polished for demanding research or OEM applications. Three sizes are available 12.7 and 25.4 mm round and 50.8 mm square. The 25.4 mm diameter and 50.8 mm square filters are permanently marked with the optical density and are available individually or in a set of nine.

12.7mm Diameter Filter Ordering Information

Quantity	Model	Description	Price
	FR-OD05	Absorptive Neutral Density Filter, 12.7mm Dia, 0.05 Optical Density at 546.1nm
	FR-OD20	Absorptive Neutral Density Filter, 12.7mm Dia, 0.2 Optical Density at 546.1nm
	FR-OD40	Absorptive Neutral Density Filter, 12.7mm Dia, 0.4 Optical Density at 546.1nm
	FR-OD60	Absorptive Neutral Density Filter, 12.7mm Dia, 0.6 Optical Density at 546.1nm
	FR-OD80	Absorptive Neutral Density Filter, 12.7mm Dia, 0.8 Optical Density at 546.1nm
	FR-OD100	Absorptive Neutral Density Filter, 12.7mm Dia, 1.0 Optical Density at 546.1nm
	FR-OD200	Absorptive Neutral Density Filter, 12.7mm Dia, 2.0 Optical Density at 546.1nm
	FR-OD300	Absorptive Neutral Density Filter, 12.7mm Dia, 3.0 Optical Density at 546.1nm

25.4mm Diameter Filter Ordering Information

Quantity	Model	Description	Price
	FSR-OD05	Absorptive Neutral Density Filter, 25.4mm Dia, 0.05 Optical Density at 546.1nm
	FSR-OD10	Absorptive Neutral Density Filter, 25.4mm Dia, 0.1 Optical Density at 546.1nm
	FSR-OD15	Absorptive Neutral Density Filter, 25.4mm Dia, 0.15 Optical Density at 546.1nm
	FSR-OD20	Absorptive Neutral Density Filter, 25.4mm Dia, 0.2 Optical Density at 546.1nm
	FSR-OD30	Absorptive Neutral Density Filter, 25.4mm Dia, 0.3 Optical Density at 546.1nm
	FSR-OD40	Absorptive Neutral Density Filter, 25.4mm Dia, 0.4 Optical Density at 546.1nm
	FSR-OD50	Absorptive Neutral Density Filter, 25.4mm Dia, 0.5 Optical Density at 546.1nm
	FSR-OD60	Absorptive Neutral Density Filter, 25.4mm Dia, 0.6 Optical Density at 546.1nm
	FSR-OD70	Absorptive Neutral Density Filter, 25.4mm Dia, 0.7 Optical Density at 546.1nm
	FSR-OD80	Absorptive Neutral Density Filter, 25.4mm Dia, 0.8 Optical Density at 546.1nm
	FSR-OD90	Absorptive Neutral Density Filter, 25.4mm Dia, 0.9 Optical Density at 546.1nm
	FSR-OD100	Absorptive Neutral Density Filter, 25.4mm Dia, 1.0 Optical Density at 546.1nm
	FSR-OD150	Absorptive Neutral Density Filter, 25.4mm Dia, 1.5 Optical Density at 546.1nm
	FSR-OD200	Absorptive Neutral Density Filter, 25.4mm Dia, 2.0 Optical Density at 546.1nm
	FSR-OD300	Absorptive Neutral Density Filter, 25.4mm Dia, 3.0 Optical Density at 546.1nm
	FSR-OD400	Absorptive Neutral Density Filter, 25.4mm Dia, 4.0 Optical Density at 546.1nm
	FS-3R	Absorptive Neutral Density Filter Set, 25.4 Dia, .05, .2, .4, .6, .8, 1.0, 2.0, 3.0 OD Included

50.8mm Square Filter Ordering Information

Quantity	Model	Description	Price
	FSQ-OD05	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.05 Optical Density at 546.1nm
	FSQ-OD10	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.1 Optical Density at 546.1nm
	FSQ-OD15	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.15 Optical Density at 546.1nm
	FSQ-OD20	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.2 Optical Density at 546.1nm
	FSQ-OD30	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.3 Optical Density at 546.1nm
	FSQ-OD40	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.4 Optical Density at 546.1nm
	FSQ-OD50	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.5 Optical Density at 546.1nm
	FSQ-OD60	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.6 Optical Density at 546.1nm
	FSQ-OD70	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.7 Optical Density at 546.1nm
	FSQ-OD80	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.8 Optical Density at 546.1nm
	FSQ-OD90	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 0.9 Optical Density at 546.1nm
	FSQ-OD100	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 1.0 Optical Density at 546.1nm
	FSQ-OD150	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 1.5 Optical Density at 546.1nm
	FSQ-OD200	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 2.0 Optical Density at 546.1nm
	FSQ-OD300	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 3.0 Optical Density at 546.1nm
	FSQ-OD400	Absorptive Neutral Density Filter, 50.8 x 50.8mm, 4.0 Optical Density at 546.1nm
	FS-3	Absorptive Neutral Density Filter Set, 50.8 x 50.8mm, .05, .2, .4, .6, .8, 1.0, 2.0, 3.0 OD Included

Please see Optics Formulas for the optical density equation.

For attenuation of high-energy lasers, we rcommend our Model 935 Variable Attenuator (see High-Energy Variable Attenuators).

Filter Set

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