Optics: measuring and testing – By light interference – For dimensional measurement
Reexamination Certificate
2006-09-18
2009-06-23
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
By light interference
For dimensional measurement
C356S491000
Reexamination Certificate
active
07551294
ABSTRACT:
A system and method for biomolecular sensing are disclosed. The system includes a receptor for a target, a source of p-polarized light positioned to direct light toward the receptor in a manner effective to result in a condition of near perfect interference in the absence of target binding; and a detector positioned to measure any light reflected from the front and back surfaces of the coating. The receptor includes a substrate and a translucent coating on the substrate having front and back surfaces, wherein the incident angle for one of the substrate/coating interface and the medium/coating (probe) interface is greater than its Brewster angle and the incident angle for the other interface is less than its Brewster angle.
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Nixon & Peabody LLP
Richey Scott M
Toatley , Jr. Gregory J.
University of Rochester
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