October 2009
Intermediate to advanced
503 pages
14h 28m
English
Content preview from Engineering Physics
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14.20 Half-wave plate
Similar to quater-wave plate, a half-wave plate introduces a path difference of 
or phase difference of π between o-ray and e-ray. Let ‘d ’ be the thickness of the half-wave plate.
For a half-wave plate, the path difference, 
in calcite crystal half-wave plate. In the case of quatz, 
. Using the above equation, the thickness of half-wave plate can be estimated.