Neutral density filter
The circular step neutral density filter (abbreviated as circular step density sheet) attenuates the intensity of light based on the discrete number of steps within the filter area. The light density within each discrete area is a fixed value. This filter can be applied in fields such as natural light and lasers. The outer diameter of the filter can be selected from 25 mm to 100 mm. The optional usable spectral range is from 250 nm to 2500 nm. Special sizes, densities, and concentrations of sheet wavelengths can be customized.
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basic information
Specifications Substrate: BK7, Fused Quartz Outer Diameter: 25mm-150mm Inner Diameter: 7.5mm, 8.0mm, 8.3mm Outer Diameter Tolerance: +0/-0.15mm Inner Diameter Tolerance: +0.15/-0mm Thickness Tolerance: ±0.1mm Parallelism: 3’ Surface Quality: 80-50 Optical Density Standard Deviation: ±5% Wavelength Calibration: 550nm Design Wavelength: 380nm-2000nm (BK7) 250nm-2500nm (Fused Quartz)
Price range
P1
Delivery Time
P4
Applications/Examples of results
A field of gradually attenuating luminosity with discrete steps (circular direction) within a wide spectral range.
Company information
AIRY TECHNOLOGY CO., LTD. is located in Dalian, China, and targets the advanced technology markets in China, including electronic semiconductors, LEDs, organic EL, and biotechnology. While introducing and selling advanced technologies and products from Japan, South Korea, and the United States, we also sell high-quality, low-cost industrial raw materials and finished products made in China to industrially advanced countries such as Japan, South Korea, Russia, and the United States, adhering to strict quality standards.
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