- In
materials science,
photoelasticity describes changes in the
optical properties of a
material under mechanical deformation. It is a
property of all...
- A
photoelastic modulator (PEM) is an
optical device used to
modulate the
polarization of a
light source. The
photoelastic effect is used to
change the...
-
attributed this
phenomenon to stress-induced birefringence —now
known as
photoelasticity. In a
memoir read in
September 1822,
Fresnel announced that he had...
- of stress-induced
birefringence and by
employing techniques of 3D
photoelasticity. The high
fracture toughness due to
residual compressive stresses makes...
- ^{4}}}n^{8}p^{2}kT_{\text{f}}\beta }
where n is the
refraction index, p is the
photoelastic coefficient of the gl****, k is the
Boltzmann constant, and β is the isothermal...
-
related to the
strain in a
material by way of the
given material's
photoelasticity tensor. DOP is also
visualized using the Poincaré
sphere representation...
- pem or PEM in Wiktionary, the free dictionary. PEM or Pem may
refer to:
Photoelastic modulator, an
optical device Polyelectrolyte multilayer, thin
films Proton-exchange...
-
experimental methods for
measuring stress concentration factors including photoelastic stress analysis,
thermoelastic stress analysis,
brittle coatings or strain...
-
studied the
birefringence of
crystals under compression and
discovered photoelasticity,
thereby creating the
field of
optical mineralogy. For this work, William...
- a non-SI unit used to
measure the
susceptibility of a
material to
photoelasticity, or the
value of the stress-optic
coefficient of the material. The...
