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Home » Products » Optical Mirror » Narrow Band Pass Interference Filter
Narrow Band Pass Interference Filter

Narrow Band Pass Interference Filter

Narrow band interference filter, as one of the band-pass filters, is wavelength-selective by virtue of the interference effect of electrolyte and metallic multi-layer coating. Meanwhile, its half bandwidth (HBW) ranges from 1mm to 40mm.
As an alternative to expansive optical spectrometers (such as optical grating), narrow-band interference filter could be widely used in optics experiment and industrial field.

Standard:
Coating technology: Ion-beam Assisted Deposition (IAD)
Coating range: 200-2300nm
Optical density: OD4@200-1200nm and OD3@1200-1700
Peak transmission: 15%-85%
Dimension: ø11.ø12.ø12.7.ø15.ø20.ø50 and etc.
Central wavelength: 340.365.405.450.492.546.578.630.670.690.750.780.808.850.905.940.1064. 1320.1550.1572
Minimum Size: Φ2mm or 2mm×2mm
Maximum Size: Φ50mm or 55×55mm
Surface Quality: 80/50 scratch/dig per Mil-O-13830A
Damage threshold: 20J/cm2, 10ns pulse

Parameter

Center Wavelength (nm) FWHM(nm) Peak Transmission(%) Average Blocking
337.1±2 10±2 T>15% OD5@200-1200nm
355±2 10±2 T>15% OD5@200-1200nm
380±2 10±2 T>70% OD5@200-1200nm
410±2 10±2 T>70% OD4@200-1100nm
450±2 10±2 T>80% OD4@200-1100nm
460±2 10±2 T>80% OD4@200-1100nm
490±2 10±2 T>80% OD4@200-1100nm
510±2 10±2 T>80% OD4@200-1100nm
540±2 10±2 T>80% OD4@200-1100nm
655±2 10±2 T>80% OD4@200-1100nm
670±2 10±2 T>80% OD4@200-1100nm
690±2 10±2 T>80% OD4@200-1100nm
700±2 10±2 T>80% OD4@200-1100nm
750±2 10±2 T>80% OD4@200-1100nm
780±2 10±2 T>80% OD4@200-1100nm
808±2 10±2 T>80% OD4@200-1200nm
850±2 10±2 T>80% OD4@200-1200nm
905±2 7±4 T>85% OD4@200-1200nm
940±2 12±4 T>80% OD4@200-1200nm
1064±2 10-20±2 T>80% OD4@200-1200nm/OD3@1200-1700nm
1152±2 10±2 T>80% OD4@200-1200nm/OD3@1200-1700nm
1320±2 30±2 T>80% OD4@200-1200nm/OD3@1200-1700nm
1532±2 30±2 T>80% OD4@200-1200nm/OD3@1200-1700nm
1550±2 30±2 T>80% OD4@200-1850nm
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