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Optical

The velocity of electromagnetic waves through a solid is determined by the solid's complex refractive index, which has a real part n related to velocity and an extinction coefficient k related to decay of the wave's electric field amplitude. A solid's optical properties depend on the interaction between the solid and the electric field of an electromagnetic wave.

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38 views2 pages

Optical

The velocity of electromagnetic waves through a solid is determined by the solid's complex refractive index, which has a real part n related to velocity and an extinction coefficient k related to decay of the wave's electric field amplitude. A solid's optical properties depend on the interaction between the solid and the electric field of an electromagnetic wave.

Uploaded by

alokesh1982
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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The velocity of propagation of a electromagnetic wave through a solid is given by the

frequencydependent
complex
refractive
index
N
=
n
ik
where
the
real
part,
n
is
related
to
the
velocity,
and
k,
the
extinction
coefficient
is
related
to
the
decay,
or
damping
of
the
oscillation
amplitude
of
the
incident
electric
field.
The
optical
properties
of
the
solid
are
therefore
governed
by
the
interaction
between
the
solid
and
the
electric
field
of

the
electromagnetic
wave.

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