Reflective neutral density filters use a metallic coating that reflects the attenuated light instead of absorbing it, so they handle more power than absorptive filters and are flat across a wide band.
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Key specifications
- Optical density from OD 0.1 to about OD 3.3
- Metallic reflective coating for 400–1100 nm
- Ø12.5, 25 and 50 mm, unmounted
How to choose
Use reflective ND filters for laser beams where absorbed heat could damage an absorptive filter; tilt the filter slightly so the reflected beam does not return to the laser.
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