NDフィルター (Neutral Density filters)

General Specifications
Diameter: 25.4 mm +0/-0.2 mm.
Thickness: Specified in the filter list below (mm), tol ±0.2 mm

IR ND filters are designed for 2000-16000 nm

NDフィルター

Spectral measurements
When available, spectral curve at room temperature and normal incidence angle can be seen by clicking on the Description.

Description Substrate Thk(mm) T-low(nm) T-high(nm) T(%) T tol+/-(%)
ND-IR-OD-0.1-Ø25.4×1.0 mm Sapphire 1 2000 5000 80 5
ND-IR-OD-0.22-Ø25.4×1.0 mm Sapphire 1 1100 2400 60 5
ND-IR-OD-0.3-Ø25.4×1.0 mm Ge 1 2000 14000 50 5
ND-IR-OD-0.3-Ø50.8×1.0 mm Ge 1 2000 14000 50 5
ND-IR-OD-0.6-Ø25.4×1.0 mm Ge 1 2000 16000 25 3
ND-IR-OD-0.6-Ø50.8×1.0 mm Ge 1 2000 16000 25 3
ND-IR-OD-0.8-Ø25.4×0.5 mm Ge 0.5 2000 16000 15.8 2
ND-IR-OD-1.0-Ø50.8×1.0 mm Ge 1 2000 16000 10 2
ND-IR-OD-1.45-Ø50.8×1.0 mm Ge 1 2000 16000 3.5 0.8
ND-IR-OD-2.0-Ø25.4×1.0 mm Ge 1 2000 16000 1 0.25
ND-IR-OD-2.0-Ø50.8×1.0 mm Ge 1 2000 16000 1 0.25
ND-IR-OD-3.0-Ø25.4×1.0 mm Ge 1 2000 16000 0.1 0.05
ND-UV-VIS-OD-0.3-Ø25.4×0.5 mm Quartz 0.5 200 2500 50 10
ND-UV-VIS-OD-1.0-Ø25.4×0.5 mm Quartz 0.5 200 2500 10 2
ND-UV-VIS-OD-2.0-Ø25.4×0.5 mm Quartz 0.5 200 2500 1 0.50
ND-UV-VIS-OD-3.0-Ø25.4×0.5 mm Quartz 0.5 200 2500 0 0

Can also be sold as sets of filters:

ND-IR filter set, consisting of 6 types Ø25.4×1.0 mm filters with OD: 0.3, 0.6, 1.0, 1.45, 2.0 and 3.0
ND-IR filter set, consisting of 6 types Ø50.8×1.0 mm filters with OD: 0.3, 0.6, 1.0, 1.45, 2.0 and 3.0
ND-UV-VIS filter set, consisting of 6 types Ø25.4×1.0 mm filters with OD: 0.3, 0.6, 1.0, 1.45, 2.0 and 3.0