IR Dichroic Filter
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Dichroic Filter coatings are designed to transmit one spectral region (passband) and reflect another (rejection band). The filter is a Short Wave Pass if the passband is to the left of the transition slope, and a Long Wave Pass if the passband is to the right of the slope.
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RMI Standard Specifications
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| Angle of Incidence: |
0º or 45º |
| Passband: |
T = 50% + 5% at λ0
Tavg > 90% at 0º
Tavg > 85% at 45º |
| Rejection Band: |
Ravg > 99% at 0º
Ravg > 98% at 45º |
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Short Wave Pass Filter coating sample transmission curve with a cutoff at 5 μm.
The curve represents a general shape for this coating. RMI will design a custom coating for your application. Please call (303) 664-5000 to discuss your coating requirements.
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