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As one of the dielectric materials with the largest optical bandgaps, lithium fluoride is a crucial component of ultraviolet optical systems. The performance in comparison to cutting-edge LiF thin films created using physical vapour deposition techniques is discussed, as well as the potential for further improvement.
High Purity Lithium Fluoride Windows are suitable for optical applications in the UV, visible, and IR spectral ranges and especially for x-ray monochromators and crystal defect detection. Lithium fluoride windows are optically isotropic and have a wide transmission range of 150-6000 nm.
Windows in various standard diameters and thicknesses are available; custom dimensions may be available by request. Typical and custom packaging is available, as is additional research, technical and safety (MSDS) data.
When transmission in the range of 0.104 m to 7 m is desired, lithium fluoride is used for windows, lenses, and prisms in the vacuum UV, UV, visible, and infrared. This is one of the most widely used materials for the deep UV spectrum, with a transmission of about 40% at 121 nm.
The Global Lithium Fluoride Window Market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Edmund Optics’ Lithium Fluoride (LiF) Windows offer high, flat transmission from 150 nm to 6 m. In the 150–200nm range of vacuum ultraviolet (VUV) wavelengths, lithium fluoride transmits light extremely well.
These windows can be used without an anti-reflection (AR) coating because lithium fluoride also has a low index of refraction.
For use as UV transmission windows in spectroscopy applications, as a diffracting element in X-ray spectrometry, or as infrared windows for thermal imaging applications, lithium fluoride (LiF) windows are the best choice.
At temperatures above 400°C, atmospheric moisture attacks lithium fluoride, making it sensitive to thermal shock.
