The NDUV505A is a Neutral Density Filter from Thorlabs, designed with a circular shape and a diameter of 0.5 inches. It features a UVFS reflective coating, specifically designed for use at a wavelength of 300 nm. This filter is part of the extensive catalog of optical elements sourced from various vendors worldwide by 3DOptix, a developer of advanced optical simulation software.
The NDUV505A has a geometry that includes a diameter of 12.7 mm and a thickness of 1 mm. The coating on both the front and back surfaces of this filter is 'tho nduv od05', which is a specific coating developed by Thorlabs. The shape of the filter is thin lens, making it suitable for a wide range of optical applications.
The filter is available directly from Thorlabs, and the provided item data indicates that it is currently in stock. The catalog number for this item is NDUV505A, and more information about it can be found on the Thorlabs website using this catalog number.