Optics: measuring and testing – By polarized light examination – With polariscopes
Reexamination Certificate
2007-09-14
2009-10-06
Punnoose, Roy (Department: 2886)
Optics: measuring and testing
By polarized light examination
With polariscopes
Reexamination Certificate
active
07599062
ABSTRACT:
Embodiments of the present invention are directed to pulsed polarimeters for conducting remote, non-perturbative diagnostic measurements of inducing fields of a medium demonstrating induced optical activity. In one aspect, a pulse polarimeter includes a light source emitting a polarized light pulse having sufficiently narrow spatial extent at a prescribed wavelength and a light gathering optical system including a light gathering optic having an optic axis directed toward the medium and positioned to collect and collimate a predetermined solid angle of an emission from the medium into a collimated emission beam, while preserving the polarization state of the emission. The pulse polarimeter includes a directional coupler that makes coincident the propagation direction of the polarized light pulse with the optic axis and a polarization detection system for measuring the intensity and determining the polarization state of the collimated emission beam continuously in time as the polarized light pulse transits the medium.
REFERENCES:
patent: 4560279 (1985-12-01), Kouns
Olympic Patent Works PLLC
Punnoose Roy
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