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The ramp filter is designed to transmit a linear monotonic increasing or decreasing % transmission as a function of wavelength. These ramp filters will transmit 20% at 400nm and increase linearly to >90% at 700nm.
Reynard Corporation standard parameters apply:
Substrate Material: BK-7
Thickness: 2mm ± 0.2mm
Surface Quality: 80-50 Scratch & Dig
Transmitted Flatness: < 2 Fringes per Inch @ 632.8nm
Parallelism: < 3 Arc Minutes
Adhesion: Per MIL-C-675
Temperature: -196 C to 300 C
Coating Material: All Dielectric
