Patent · US Expired

Photonic crystal defect cavity biosensor

US6990259B2 · kind B2 · utility

47Cited by
0References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 29, 2004
Grant dateJan 24, 2006
Priority date
Expiry dateJul 27, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/0346
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A biosensor is described having the form of a photonic crystal having defect cavities formed in a periodic pattern in the device. The invention provides a higher sensitivity and a greater degree of spatial localization of incoupled photons than previously reported photonic crystal biosensor devices.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.