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Crystran are optical engineers specialising in fabricating components from IR and UV materials. The materials that we work with are mainly crystal or innovative glasses used for their particular transmission properties, from which we derive the name of our company. You can see a full list of the materials we work with on our materials page. These materials include well known materials for use in the IR spectrum such as Germanium and Zinc Selenide, but also Calcium Fluoride, Magnesium Fluoride and the broadest range of infrared and ultraviolet materials under one roof. We also work with many glass types suitable for visible optics or near IR and UV. Filter glasses, high index glasses or even the commonly found BK-7 can be supplied  Click for details>>