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The external force applied to the pane changes its mechanical characteristics, and the system detects this change. This method of monitoring glass panes is based on a glass break sensor built inside an optical fibre by means of fibre Bragg grating, that is, optical interference filters inscribed in optical waveguides.Technology
Smart alarm system recognises attempted break-ins

The window panes of jewellery stores, art galleries and banks are protected by alarm and fitted with security glass.

3 Dec 2017 11:31 AM IST

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