Home / Custom / Optical Components / Optical Filter / Cut-Off Linear Gradient Filter 
The spectral transmittance curve at each position of the cutoff linear gradient filter is consistent with that of the conventional cutoff filter, and the switching wavelength of the cutoff gradually changes with the change of the spatial position on the filter. Customers can choose linear rate of change and spectral range according to their own requirements.
ECOPTIK's cut-off linear gradient filters mainly covers different spectral range, long-wave pass and short-wave, we support customization.
Spectral Range | Peak Transmittance | Linear Rate of Change | Out-of-band Cutoff Frequency | Filtering Method | Gradient Method | Overall Dimensions | Effective Size of The Gradient Region |
|---|---|---|---|---|---|---|---|
300-860nm | ≥92% | 21.5nm/mm | ≥OD3 | Long-pass filter, uniform gradient | Start the gradient along the long side at 13 nm. | 38mm×10mm×1mm | 26mm×10mm×1mm |
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