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Inclusion Industry Bubble Count

Bubbles or inclusions usually develop during the manufacturing process of optical materials. This flow might cause light scattering and a loss of transmission due to absorption. In most common optical systems, inclusions do not create significant problems. But, for some systems, the presence and size of bubbles can be critical. The present system for specifying bubbles is size (diameter) of the bubble per cross section of glass with a maximum size restriction. The standard in the optics industry is not to count any bubble <0.05 mm. If your application is stringent for bubbles, please advise us in the FRQ.