Diffraction finalppt

Page 1

INDUSTRIAL DESIGN GROUP PROJECT Vaishnavi Sawant, Shriyam Jhunjhunwala, Melisssa Davy-Ericson


Path Difference: 2/3 x 2p or 4p / 3

a sin T = 0

sin T = l / a » y / L

k+1 K+2 K+3

INTENSITY

Chosen Physics Principle: sin T = l / a

DIFFRACTION tan T = y / L

Phase difference

a sin T = ml

MINIMUM

m = 1,2,3, ...

Wavelength

T=0 Images taken from http://www.math.ubc.ca/~cass/courses/m309-03a/m309-projects/krzak/


WHAT IS IT? Definition: (physics) a deviation in the direction of a wave at the edge of an obstacle in its path – essentially when a wave changes direction because of a barrier/obstacle You get different phenomena when you have single and multiple slit diffraction because of interference.


HOW DOES IT WORK?


HOW ARE WE PLANNING TO USE IT? Diffraction gratings use this principle and allow us to see a full spectrum of light from a white light point source, creating some mesmerizing effect. We intend to design a system which allows the participants (users) to have a wonderful visual experience using this physics principle.


VISUAL EFFECT EXAMPLES…


Product Sketches




Visual Experience


MATERIAL LIST •

AD Oak + Varnish

Acrylic

Fluorescent Tube light

Electrical wiring


Product Process




THANK YOU!


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