The materials available for infrared (IR) window optics are diverse and have a variety of transmission rates and mechanical strengths. It is advisable that when considering the use of IR windows, you seek advice from IR window manufacturers and IR lens material suppliers before deciding the materials and window styles best suited to your application. As IRISS explains in this article, there are a number of sources from UL, IEEE, and NEMA that can be referenced to give the user guidance on the issues relating to installation and the use of IR windows.
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