What are the optical glass substrates for filters?
The optical glass substrate of the filter mainly includes absorbing glass, such as HB850, JB9, JB1, ZB3, HB5, HB8 and other grades, optical glass K9, float glass, B270, quartz, sapphire, etc.
Geometric dimensions and thickness: Considering the special application environment of the customer and the need for mechanical layout within the system, the geometric dimensions and thickness of the filter should be clearly defined, and an appropriate tolerance range should be provided.
Characteristics: Different types of materials have specific composition and form different physical or chemical properties. For example, temperature resistance, acid and alkali resistance, whether it has spontaneous fluorescence effect, expansion characteristics and stress characteristics, etc., the corresponding substrate should be selected according to the application.
Geometric dimensions and thickness: Considering the special application environment of the customer and the need for mechanical layout within the system, the geometric dimensions and thickness of the filter should be clearly defined, and an appropriate tolerance range should be provided.
Characteristics: Different types of materials have specific composition and form different physical or chemical properties. For example, temperature resistance, acid and alkali resistance, whether it has spontaneous fluorescence effect, expansion characteristics and stress characteristics, etc., the corresponding substrate should be selected according to the application.