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Transmitted Light Polariscope- Engineering Lab Training Systems

Transmitted Light Polariscope- Engineering Lab Training Systems

CAT NO: DIDACTICNLE-Export-126080

Description & Specification:

Transmitted Light Polariscope- Engineering Lab Training Systems.
Technical Description Using this transmitted light polariscope, photoelastic experiments can be performed. This process exploits the fact that the refractive index of photoelastically sensitive materials changes under mechanical stress. Transmitted polarised light experiences a rotation of its plane of polarisation, this results in lines in the material subject to the same stress being of the same colour. The distribution of the stress in the model can thus be clearly seen. The polariscope can either generate coloured stress diagrams using white light or, using monochromatic light, light-dark diagrams. The filters, which have angular scales, can be rotated in a holder mounted on rollers. On the side is a pointer using which the angular position can be read off. Light sources, polarisation filters and load frames are separate components on this unit. Thus it is possible to realise flexible experimental set-ups also with own models.

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