Wednesday, May 30, 2018

electromagnetism - formula for transparency of very thin film of metal


Is there formula that gives transparency of very thin film of given metal (tens of nanometers) to the visible light/light of given wavelength ? Which properties of metals are needed for the formula ?


I need to know which thickness of aluminium has 40% transparency to visible light. Thanks.




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

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