Optics: measuring and testing – By polarized light examination – With birefringent element
Reexamination Certificate
2007-12-18
2007-12-18
Punnoose, Roy M. (Department: 2886)
Optics: measuring and testing
By polarized light examination
With birefringent element
Reexamination Certificate
active
10784573
ABSTRACT:
A method for determining the optical retardation and birefringence values of an anisotropic material utilizing a Fourier transform near infrared spectrophotometer operated in at least a portion of the range of wavenumbers between about 4,000 to about 10,000 cm−1.
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Abuzaina Ferass
Andjelić Sa{tilde over (s)}a
Fitz Benjamin D.
Ethicon Inc.
Punnoose Roy M.
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