220-0211 20.0 mm Dia. N-BK7 Precision Round Window; t=5 mm Uncoated

The 220-0211 is a precision round window, boasting a diameter of 20.0 mm and a thickness of 5 mm, sourced from EKSMA Optics. This window is designed as a flat window with a base shape of a circle, making it suitable for a wide range of applications.

The window is crafted from N-BK7 Schott, a popular material in the optical industry due to its excellent optical properties. It is particularly known for its low coefficient of thermal expansion and high homogeneity, making it an ideal choice for applications that require high precision and stability.

The window is designed in the shape of a thin lens, optimizing its light transmission capabilities. It operates at a wavelength of 633 nm, making it suitable for use in various applications that utilize this wavelength.

Notably, this window is uncoated, offering users the flexibility to apply coatings based on their specific requirements. However, it is essential to note that the absence of a coating may affect the window's overall performance in certain applications, particularly those that require high reflectivity or transmissivity.

For more information and to check the current stock status, users can refer to the provided weblink: https://eksmaoptics.com/optical-components/laser-windows/precision-round-windows/