Last Updated：2025/11/29
A rhombus or oblique parallelopiped of glass cut so that a ray of light entering one of its faces at right angles shall emerge at right angles at the opposite face, after undergoing within the rhombus, at other faces, two reflections. It is used to produce a ray circularly polarized from a plane-polarized ray, or the reverse.
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Fresnel's rhomb
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Source Word
Fresnel's rhomb
Noun
A
rhombus
or
oblique
parallelopiped
of
glass
cut
so
that
a
ray
of
light
entering
one
of
its
faces
at
right
angles
shall
emerge
at
right
angles
at
the
opposite
face,
after
undergoing
within
the
rhombus,
at
other
faces,
two
reflections.
It
is
used
to
produce
a
ray
circularly
polarized
from
a
plane-polarized
ray,
or
the
reverse.
Japanese Meaning
フレネルの菱形プリズム。光が一面から直入射すると、内側で他の面において2回の反射を受け、反対側の面から直出射するように仕上げられたガラス製の菱形または斜方の平行六面体であり、平面偏光を円偏光に、またはその逆に変換するために使用される。
Sense（1）
A
rhombus
or
oblique
parallelopiped
of
glass
cut
so
that
a
ray
of
light
entering
one
of
its
faces
at
right
angles
shall
emerge
at
right
angles
at
the
opposite
face,
after
undergoing
within
the
rhombus,
at
other
faces,
two
reflections.
It
is
used
to
produce
a
ray
circularly
polarized
from
a
plane-polarized
ray,
or
the
reverse.
（ plural ）
