Question

A quartz quarter-wave plate is to be used with sodium light 2= 589 nm. What
is minimum thickness of each plate? (Pu.2004,2014)
DATA
P
ne
1.55
no
-
1.54
S
X = ?
CALCULATIONS
The number of wavelengths of first wave contained in the crystal is
X
N =
xne
2
20
Where he is wavelength of e-wave in the crystal and 2 is the wavelength in a
For second wave the number of wavelengths is​

Answer 1

Answer:

Sometimes, it is required to induce a certain phase difference between E-ray and O-ray. For that, a plate with a specific thickness is chosen to induce that phase difference. This plate is known as the retardation plate as it retards the motion of one of the rays.

Explanation:

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Answer 2

Answer:

Sometimes, it is required to induce a certain phase difference between E-ray and O-ray. For that, a plate with a specific thickness is chosen to induce that phase difference. This plate is known as the retardation plate as it retards the motion of one of the rays.

Explanation:

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