43-368 20 mm Dia. Sapphire Protective Flat Window; t=2 mm Uncoated

The 43-368 is a circular, flat window with a diameter of 20 mm and a thickness of 2 mm. This window is sourced from Edmund Optics, a reputable vendor in the optical industry. The window is made of sapphire, a high-quality material with the al2o3 mal-1972-n-o Material ID.

Sapphire is a popular choice in optical applications due to its excellent properties. It has a high Mohs hardness of 9, making it highly resistant to scratches and abrasions. It also has a high melting point, excellent thermal shock resistance, and is transparent across a wide spectral range, including the visible, ultraviolet, and infrared regions.

The 43-368 window is uncoated, meaning it does not have any additional layers applied to its surface. This can be beneficial in certain applications where a specific coating is not required or desired. However, it's important to note that uncoated surfaces can reflect a portion of incident light, which may need to be considered in the design of the optical system.

The window is designed in the shape of a thin lens, which can be advantageous in applications where a flat surface is required, such as in protective windows or beam splitters. The window is also in stock and available for immediate purchase, as indicated by its weblink status.

For more information about this product, including pricing and availability, please refer to the provided weblink.