Notch Filter

NF

Notch Filter
In stock
SKU
NF
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.
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Name Material Delivery Price Add to cart
i
Notch Filter 25mm Diameter BK7 532nm
NF-25C05-40-532
BK7
in stock
$305.00
Material BK7
Coating Dielectric multi-layer coating
Incident angle
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φ25mm
Cutoff wavelength 532nm
Optical density (OD) >4
Half bandwidth 40±4.0nm
Hight transmittance wavelength ranges 400 - 502nm, 562 - 700nm
transmittance avg. 90% (avg. ; average with respect to wavelength)
i
Notch Filter 25mm Diameter BK7 633nm
NF-25C05-47-633
BK7
in stock
$305.00
Material BK7
Coating Dielectric multi-layer coating
Incident angle
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φ25mm
Cutoff wavelength 633nm
Optical density (OD) >4
Half bandwidth 47±4.7nm
Hight transmittance wavelength ranges 475 - 597nm, 669 - 850nm
transmittance avg. 90% (avg. ; average with respect to wavelength)
i
Notch Filter 25mm Diameter Synthetic Fused Silica 355nm
NF-25C05-27-355
Synthetic fused silica
2 weeks
$305.00
Material Synthetic fused silica
Coating Dielectric multi-layer coating
Incident angle
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φ25mm
Cutoff wavelength 355nm
Optical density (OD) >4
Half bandwidth 27±2.7nm
Hight transmittance wavelength ranges 320 - 335nm, 375 - 500nm
transmittance avg. 90% (avg. ; average with respect to wavelength)
i
Notch Filter 25mm Diameter BK7 1064nm
NF-25C05-80-1064
BK7
2 weeks
$305.00
Material BK7
Coating Dielectric multi-layer coating
Incident angle
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φ25mm
Cutoff wavelength 1064nm
Optical density (OD) >4
Half bandwidth 80±8.0nm
Hight transmittance wavelength ranges 800 - 1004nm, 1124 - 1400nm
transmittance avg. 90% (avg. ; average with respect to wavelength)

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◦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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