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NF
Cutoff wavelength
Half bandwidth
Hight transmittance wavelength ranges
Material
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Notch filter is a filter that cuts only a specific wavelength. It is not the same as the interference filter which transmits only a specific wavelength. By using a dielectric multilayer coating the product has very high stability and has environmental resistance.

◦Four types are available 355nm, 532nm, 633nm and 1064nm.
◦Because it is a dielectric multilayer coating, there is almost no absorption by the coating.
◦By using in combination with other filters, it can also be used as filter sets for Bio-Imaging.

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Technical Data
Documents/Downloads
Guide

▶Please contact our Sales Division for customized products. (customized on outer diameter, wavelength characteristic, etc.)
▶Please refer to here for Wavelength Characteristic Data (Reference Data, EXCEL file format).

Attention

▶If the light incident angle is other than 0 degrees, the transmittance characteristics may change. In the normal situation, when the incident angle changes, the wavelength may shift to the long wavelength side.
▶Notch filter has a durable structure to the high temperature, but if it is put close to the lamp that emits a powerful heat ray (e.g. mercury lamp), it will not be guaranteed for the performance of the filter and safety.

Common Specifications
MaterialSynthetic fused silica, BK7
CoatingDielectric multi-layer coating
Incident angle
Surface Quality (Scratch-Dig)60-40
Clear aperture90% of the diameter
Outline Drawing

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Schematic

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Typical Transmittance & Optical Density Data
■NF-25C05-27-355

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OD: Optical Density T: Transmission
■NF-25C05-40-532

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OD: Optical Density T: Transmission
■NF-25C05-47-633

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OD: Optical Density T: Transmission
■NF-25C05-80-1064

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OD: Optical Density T: Transmission

Part Number

Catalog PDF

dxf

STP

IGS

SAT

Zemax

NF-25C05-27-355

NF-25C05-40-532

NF-25C05-47-633

NF-25C05-80-1064

Spec
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Part Number
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    JP Yen Stock Qty
NF-25C05-27-355
NF-25C05-40-532
NF-25C05-47-633
NF-25C05-80-1064

355nm

>4

27±2.7nm

320 - 335nm, 375 - 500nm

avg. 90% (avg. ; average with respect to wavelength)

Synthetic fused silica

532nm

>4

40±4.0nm

400 - 502nm, 562 - 700nm

avg. 90% (avg. ; average with respect to wavelength)

BK7

633nm

>4

47±4.7nm

475 - 597nm, 669 - 850nm

avg. 90% (avg. ; average with respect to wavelength)

BK7

1064nm

>4

80±8.0nm

800 - 1004nm, 1124 - 1400nm

avg. 90% (avg. ; average with respect to wavelength)

BK7

RoHS  

¥28,500

LOW
RoHS  

¥28,500

LOW
RoHS  

¥28,500

IN STOCK
RoHS  

¥28,500

IN STOCK