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Optical Window is a transparent optical element that allows light to pass through while protecting enclosed areas from environmental elements such as dust, moisture, or pressure. These windows are often used in various optical instruments, sensors, cameras, and lasers. The fundamental purpose of an optical window is to provide a barrier between the external environment and sensitive optical components inside an optical system, while still allowing light to pass through with minimal distortion or attenuation. In addition to protecting optical components, optical windows might also serve other functions such as reducing reflections, improving contrast, or providing a sealed enclosure for a device. Transmission, refractive index, hardness of materials, etc. are several critical factors that you should take in mind when you select optical windows. Optical windows find widespread usage in fields like medicine, life science, instrumentation, defense and security, academic and research, and industrial manufacturing.

UV/VIS/IR optical windows made of optical glass materials (N-BK7 and UV Fused Silica), high-precision laser windows and ultra-thin high flatness optical windows for femtosecond lasers, whilst we also provide IR windows made of Germanium (Ge), Silicon windows, Zenic Selenide (ZnSe) windows, Sapphire windows, etc.  A vast selection of optical windows are accessible. Apart from the standardized sizes compatible with OEM, we are capable of achieving a minimum size down to 0.5mm and a minimum thickness down to 0.03mm. optical windows are available in uncoated and VIS/IR-coated versions, whereas custom coatings can be tailored upon request.