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    hello all,

    something I need a bit of help getting my head around.

    Unpolarised light has E field components in two directions, e.g. vertically and horizontally. Assuming these components are in phase won't they just add up to a single E field in a direction that is neither vertical or horizontal ? i.e. polarised but at an angle to the vertical?

    This topic wasn't covered in my Mech Eng degree
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    You can't assume the components are in phase, unpolarised light is inherently incoherent
 
 
 
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