47-683 25 mm Dia. Calcium Fluoride Protective Flat Window; t=3 mm Uncoated

The 47-683 is a 25 mm diameter Calcium Fluoride (CaF2) protective flat window, with a thickness of 3 mm and no coating. This window is sourced from Edmund Optics and is currently in stock, as indicated by its weblink status.

As a window, this component is designed to protect optical systems from environmental factors such as dust, moisture, and other contaminants, while minimally affecting the light path. Its flat shape ensures a uniform, distortion-free view of the optical path.

The window is made of Calcium Fluoride, a material with the ID caf2 mal-1963. This material is known for its excellent transparency in the ultraviolet, visible, and near-infrared regions of the spectrum, making it suitable for a wide range of optical applications. The window's 25 mm diameter provides a decent field of view, while its 3 mm thickness offers sufficient structural rigidity.

The window is uncoated, meaning it does not have any additional layers to enhance its optical properties. This can be advantageous in certain applications where a specific coating might interfere with the desired optical performance. However, it's important to note that uncoated surfaces can be more susceptible to contamination and damage, so handling and cleaning procedures should be carefully followed.