Visible Dichroic Filter / DIF
The dielectric multi-layer coating offers a high optical performance. Provides a wide range of visible color quality green, blue, red, yellow, magenta and cyan.
The switching from reflecting and transmitting is steep; it is usable as a wavelength separation filter.Easy to be used as a variable wavelength filter by changing the angle of incident.
Able to choose from a range of the six fundamental colors, fits perfectly for color vision experiments.
Common Specifications
| Material | B270® (SuperWhite Glass) or BK7 |  |
|---|---|---|
| Incident Angle | 0° | |
| Wavelength Range | 400 − 700nm | |
| Surface Quality (Scratch-Dig) | 60 − 40 | |
| Clear Aperture | 90% of external dimension of the square inscription circle |
| Schematic | Outline Drawing |
|---|---|
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| Part Number | High Transmittance Range (normal incident) |
Transmittance (normal incident) |
Cutoff Range (normal incident) |
Transmittance of Cutoff Range (normal incident) |
Wavelength at 50% |
|---|---|---|---|---|---|
| DIF-50S-BLE | 400 － 470nm | ＞85％ | 530 － 700nm | ＜1％ | 495±10nm |
| DIF-50S-GRE | 515 － 560nm | ＞85％ | 400 － 460nm 630 － 700nm |
＜1％ | 505±10nm 575±10nm |
| DIF-50S-RED | 640 － 700nm | ＞85％ | 400 － 565nm | ＜1％ | 610±10nm |
| DIF-50S-YEL | 550 － 700nm | ＞85％ | 410 － 475nm | ＜1％ | 520±10nm |
| DIF-50S-MAG | 420 － 470nm 620 － 700nm |
＞80％ ＞85％ |
520 － 565nm | ＜1％ | 495±10nm 605±10nm |
| DIF-50S-CYA | 400 － 560nm | ＞85％ | 640 － 700nm | ＜1％ | 590±10nm |
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