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Blue glass globe filter thickness measurement

Date:2020-06-04 Source:Samsun Technology


Spectral confocal sensor measures blue glass cut-off filter thickness

Blue glass filters are mainly used to filter a portion of infrared, visible red light. This is the longer wavelength part of the light.

Coloured glass filters are optical components that control the wavelength of incident light using light-absorbing substances dispersed in the glass material. These filters absorb part of the visible light (the long wavelength side) and allow the rest of the light in the very wide wavelength range from UV to IR to pass through.

Blue glass globe filter thickness measurement_heydanbo.com

The blue glass thickness at this position is 219.1 μm, showing a complete double wave peak, and the spectral confocal sensor is based on the white light dispersion principle, allowing accurate measurement of the blue glass thickness.

Blue glass globe filter thickness measurement_heydanbo.com

The blue glass in this position is 220.3μm thick and shows a complete double crest

Blue glass globe filter thickness measurement_heydanbo.com

The thickness of the blue glass in this position is 221.6μm, showing a complete double crest



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