A Fabry-Perot interferometer is made from two parallel reflective metallic coating on an unknown small air size d. The device is illuminated glass, separated by of gap by a laser of wavelength 633nm and which produces a wide of range angles of incidence. On observing the transmitta function of angle, a series light as a of concentric thin bright circles. are a leas observed, with -wards, separated by a 4t measured that angula bright circle (labelled 1) has angu 5.41 deg from the axis, radius and the spacing decreasing out. dark regions. the smalles deg Calculate 12th bright circle (count= outwards) has angular radius 21.21 the size d of the
A Fabry-Perot interferometer is made from two parallel reflective metallic coating on an unknown small air size d. The device is illuminated glass, separated by of gap by a laser of wavelength 633nm and which produces a wide of range angles of incidence. On observing the transmitta function of angle, a series light as a of concentric thin bright circles. are a leas observed, with -wards, separated by a 4t measured that angula bright circle (labelled 1) has angu 5.41 deg from the axis, radius and the spacing decreasing out. dark regions. the smalles deg Calculate 12th bright circle (count= outwards) has angular radius 21.21 the size d of the
Related questions
Question
Transcribed Image Text:Date:
A Fabry-Perot interferometer is made from
two parallel reflective metallic coating
glass, separated by
an unknown small air
size d. The device is illuminated
of
gap
by a laser of wavelength 633nm and a leas
which produces
a
of
wide
range
angles
light as
of incidence. On observing the transmitted
a function of angle, a series
of concentric thin bright circles.
are
observed, with spacing decreasing out.
clarks regions.
-wards, separated by a
measured
that the smallest
4t
bright circle (labelled 1) has angular
from the
5.41 deg
radius
axis,
and
the
12th bright circle (counting
radius 21.21
outwards) has angular
deg.
Calculate
Lair gap.
the
Size d of
the
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
