Bandpass Interference Filter / VPF-C
VPF can transmit a specified wavelength range at a spectrum width (half-width) as precise as 1nm to 40nm. It is used to select spectral line from light-sources range from discharge lamp to different lasers wavelength.
The filters are made of dielectric coating and metallic coating which assure a steep rise and a sharp cut-off spectrum.The filters are metallically framed which make it easy to be mounted into a holder.
Large choice of spectrum, range from UV 214nm to IR 1550nm.
Common Specifications
| Blocking Range | ＜0.01%（1nm - 3.0μm） |  |
|---|---|---|
| Incident Angle | 0° | |
| Surface Quality (Scratch-Dig) | 80－50 | |
| Coatinh | Dielectric multi-layer coating, Metal coating |
| Schematic | Outline Drawing |
|---|---|
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 |
| 214.0nm - 647.1nm | ||||||
|---|---|---|---|---|---|---|
| Part Number | Center Wavelength | Laser or Emission line spectrum | Half Bandwidth | Maximum Transmittance | Thicknessｔ | Type |
| VPF-25C-10-12-21400 | 214.0 ＋3.0/−0.01 nm | Zn | 10.0±2.0nm | ＞12% | ＜4mm | UV |
| VPF-25C-10-15-22800 | 228.0 ＋3.0/−0.0nm | Cd | 10.0±2.0nm | ＞15% | ＜4mm | UV |
| VPF-25C-10-15-23200 | 232.0 ＋3.0/−0.0nm | Ni | 10.0±2.0nm | ＞15% | ＜4mm | UV |
| VPF-25C-10-15-23900 | 239.0 ＋3.0/−0.0nm | Co | 10.0±2.0nm | ＞15% | ＜4mm | UV |
| VPF-25C-10-12-25370 | 253.7 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞12% | ＜4mm | UV |
| VPF-25C-10-12-26500 | 265.0 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞12% | ＜4mm | UV |
| VPF-25C-10-12-28000 | 280.0 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞12% | ＜4mm | UV |
| VPF-25C-10-15-28900 | 289.0 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞15% | ＜4mm | UV |
| VPF-25C-10-15-29670 | 296.7 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞15% | ＜4mm | UV |
| VPF-25C-10-15-30710 | 307.1 ＋3.0/−0.0nm | Zn | 10.0±2.0nm | ＞15% | ＜4mm | UV |
| VPF-25C-10-15-31300 | 313.0 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞15% | ＜4mm | UV |
| VPF-25C-10-25-32600 | 326.0 ＋3.0/−0.0nm | Cd | 10.0±2.0nm | ＞25% | ＜8mm | Broad Band |
| VPF-25C-10-25-33400 | 334.0 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞25% | ＜8mm | Broad Band |
| VPF-25C-03-20-33710 | 337.1 ＋0.5/−0.0nm | N2 | 3.0±0.5nm | ＞20% | ＜7mm | Narrow Band |
| VPF-25C-10-25-33710 | 337.1 ＋3.0/−0.0nm | N2 | 10.0±2.0nm | ＞25% | ＜7mm | Broad Band |
| VPF-25C-10-25-35000 | 350.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞25% | ＜7mm | Broad Band |
| VPF-25C-40-25-35000 | 350.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞25% | ＜7mm | Broad Band |
| VPF-25C-10-25-35500 | 355.0 ＋3.0/−0.0nm | YAG3ω | 10.0±2.0nm | ＞25% | ＜7mm | Broad Band |
| VPF-25C-10-25-36500 | 365.0 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞25% | ＜7mm | Broad Band |
| VPF-25C-10-40-40000 | 400.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞40% | ＜7mm | Broad Band |
| VPF-25C-40-40-40000 | 400.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞40% | ＜7mm | Broad Band |
| VPF-25C-10-40-40470 | 404.7 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞40% | ＜7mm | Broad Band |
| VPF-25C-10-40-43580 | 435.8 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞40% | ＜7mm | Broad Band |
| VPF-25C-01-30-44160 | 441.6 ＋0.2/−0.0nm | He-Cd | 1.0±0.2nm | ＞30% | ＜8.5mm | Narrow Band |
| VPF-25C-03-35-44160 | 441.6 ＋0.5/−0.0nm | He-Cd | 3.0±0.5nm | ＞35% | ＜8.5mm | Narrow Band |
| VPF-25C-10-45-44160 | 441.6 ＋3.0/−0.0nm | He-Cd | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-10-45-45000 | 450.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-40-50-45000 | 450.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-45-45550 | 455.5 ＋3.0/−0.0nm | Cs | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-01-30-45790 | 457.9 ＋0.2/−0.0nm | Ar | 1.0±0.2nm | ＞30% | ＜8.5mm | Narrow Band |
| VPF-25C-03-35-45790 | 457.9 ＋0.5/−0.0nm | Ar | 3.0±0.5nm | ＞35% | ＜8.5mm | Narrow Band |
| VPF-25C-10-45-45790 | 457.9 ＋3.0/−0.0nm | Ar | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-10-45-48610 | 486.1 ＋3.0/−0.0nm | H | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-01-40-48800 | 488.0 ＋0.2/−0.0nm | Ar | 1.0±0.2nm | ＞40% | ＜8.5mm | Narrow Band |
| VPF-25C-03-45-48800 | 488.0 ＋0.5/−0.0nm | Ar | 3.0±0.5nm | ＞45% | ＜8.5mm | Narrow Band |
| VPF-25C-10-50-48800 | 488.0 ＋3.0/−0.0nm | Ar | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-50000 | 500.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-40-50-50000 | 500.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-50850 | 508.5 ＋3.0/−0.0nm | Cd | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-01-40-51450 | 514.5 ＋0.2/−0.0nm | Ar | 1.0±0.2nm | ＞40% | ＜8.5mm | Narrow Band |
| VPF-25C-03-45-51450 | 514.5 ＋0.5/−0.0nm | Ar | 3.0±0.5nm | ＞45% | ＜8.5mm | Narrow Band |
| VPF-25C-10-50-51450 | 514.5 ＋3.0/−0.0nm | Ar | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-01-40-53200 | 532.0 ＋0.2/−0.0nm | YAG2ω | 1.0±0.2nm | ＞40% | ＜8.5mm | Narrow Band |
| VPF-25C-03-45-53200 | 532.0 ＋0.5/−0.0nm | YAG2ω | 3.0±0.5nm | ＞45% | ＜8.5mm | Narrow Band |
| VPF-25C-10-50-53200 | 532.0 ＋3.0/−0.0nm | YAG2ω | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-53500 | 535.0 ＋3.0/−0.0nm | Ti | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-54610 | 546.1 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-55000 | 550.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-40-50-55000 | 550.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-57700 | 577.0 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-58930 | 589.3 ＋3.0/−0.0nm | Na | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-60000 | 600.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-40-50-60000 | 600.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-01-40-63280 | 632.8 ＋0.2/−0.0nm | He-Ne | 1.0±0.2nm | ＞40% | ＜8.5mm | Narrow Band |
| VPF-25C-03-45-63280 | 632.8 ＋0.5/−0.0nm | He-Ne | 3.0±0.5nm | ＞45% | ＜8.5mm | Narrow Band |
| VPF-25C-10-50-63280 | 632.8 ＋3.0/−0.0nm | He-Ne | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-63620 | 636.2 ＋3.0/−0.0nm | Zn | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-03-45-64710 | 647.1 ＋0.5/−0.0nm | Kr | 3.0±0.5nm | ＞45% | ＜8.5mm | Narrow Band |
| VPF-25C-10-50-64710 | 647.1 ＋3.0/−0.0nm | Kr | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| 650.0nm - 1550.0nm | ||||||
|---|---|---|---|---|---|---|
| Part Number | Center Wavelength | Laser or Emission line spectrum | Half Bandwidth | Maximum Transmittance | Thickness t | Type |
| VPF-25C-10-50-65000 | 650.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-40-50-65000 | 650.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-65630 | 656.3 ＋3.0/−0.0nm | H | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-67000 | 670.0 ＋3.0/−0.0nm | LD | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-69430 | 694.3 ＋3.0/−0.0nm | Ruby | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-50-70000 | 700.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-40-50-70000 | 700.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞50% | ＜7mm | Broad Band |
| VPF-25C-10-45-75000 | 750.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-40-40-75000 | 750.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞40% | ＜7mm | Broad Band |
| VPF-25C-10-45-76650 | 766.5 ＋3.0/−0.0nm | K | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-10-45-78000 | 780.0 ＋3.0/−0.0nm | LD | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-10-45-79470 | 794.7 ＋3.0/−0.0nm | Rb | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-10-45-80000 | 800.0 ＋3.0/−0.0nm | − | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-40-45-80000 | 800.0 ＋10.0/−0.0nm | − | 40.0±8.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-10-45-81000 | 810.0 ＋3.0/−0.0nm | LD | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-10-45-83000 | 830.0 ＋3.0/−0.0nm | LD | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-10-45-90500 | 905.0 ＋3.0/−0.0nm | LD | 10.0±2.0nm | ＞45% | ＜7mm | Broad Band |
| VPF-25C-10-40-10140 | 1014.0 ＋3.0/−0.0nm | Hg | 10.0±2.0nm | ＞40% | ＜8.5mm | Broad Band |
| VPF-25C-01-30-10640 | 1064.0 ＋0.2/−0.0nm | YAG | 1.0±0.2nm | ＞30% | ＜8.5mm | Narrow Band |
| VPF-25C-03-35-10640 | 1064.0 ＋0.5/−0.0nm | YAG | 3.0±0.5nm | ＞35% | ＜8.5mm | Narrow Band |
| VPF-25C-10-40-10640 | 1064.0 ＋3.0/−0.0nm | YAG | 10.0±2.0nm | ＞40% | ＜8.5mm | Broad Band |
| VPF-25C-10-35-13000 | 1300.0 ＋3.0/−0.0nm | LD | 10.0±2.0nm | ＞35% | ＜8.5mm | Narrow Band |
| VPF-25C-10-30-15000 | 1500.0 ＋3.0/−0.0nm | LD | 10.0±2.0nm | ＞30% | ＜8.5mm | Narrow Band |
| VPF-25C-10-30-15500 | 1550.0 ＋3.0/−0.0nm | LD | 10.0±2.0nm | ＞30% | ＜8.5mm | Narrow Band |
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