This HO-WCBC-15-3 optical window, sourced from Holmarc Opto-Mechatronics, is a circular flat window with a diameter of 15 mm and a thickness of 5 mm. It is made of N-BK7, a popular glass type in the Schott catalog, known for its excellent optical properties and wide transparency range.
The window features a single layer of MgF2 coating on both the front and back surfaces, applied using the HOL MGF2 0 AOI process. This coating enhances the window's performance by reducing reflection and increasing transmission at the specified wavelength of 632.8 nm. The coating is designed with a 0-degree angle of incidence (AOI), ensuring optimal performance under normal incident light.
The window is categorized as a thin lens, indicating its potential use in lens systems where minimal optical power is required. However, its primary function is to provide a clear, protected aperture for beam propagation in various optical systems.
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