The NDUV03A is a Neutral Density Filter from Thorlabs, designed with a circular shape and a diameter of 25 mm. This filter is part of the UVFS series, characterized by its UVFS reflective coating, specifically the THOR NDUV OD0.3 coating on both the front and back surfaces. The filter's thickness is 1 mm, and it features a Thin Lens shape, making it suitable for a variety of optical applications.
The NDUV03A is available for purchase directly from Thorlabs' website, and the link provided indicates that it is currently in stock. This filter is a part of Thorlabs' extensive catalog, which includes a wide range of optical elements from various vendors worldwide. As developers of advanced optical simulation software, 3DOptix provides this detailed description to assist users in selecting components with similar properties online.