NE520B-A Dia. 0.5 in AR-Coated Neutral Density Filter; 350-700nm; OD 2.0 AR 350-700nm

The NE520B-A is a Neutral Density Filter from Thorlabs, designed with a circular base shape and a diameter of 0.5 inches. This filter is made of UVFS material with the catalog number MAL-1965. It has a thickness of 1.4 mm and is coated with AR 350-700nm on both the front and back, ensuring high-quality performance and durability.

The filter is designed to operate at a wavelength of 633 nm and features a thin lens shape. The AR coating on both sides of the filter is specifically designed for the wavelength range of 350-700 nm, providing optimal performance in this spectrum.

The NE520B-A is currently in stock and available for purchase through the Thorlabs website, as indicated by its weblink status. This filter is a versatile and reliable option for various optical applications, offering neutral density and anti-reflective properties within the specified wavelength range.