Optics: measuring and testing – By light interference – Using fiber or waveguide interferometer
Reexamination Certificate
2007-12-11
2007-12-11
Stafira, Michael P. (Department: 2886)
Optics: measuring and testing
By light interference
Using fiber or waveguide interferometer
Reexamination Certificate
active
11141286
ABSTRACT:
A sensor apparatus comprising a photonic crystal structure optically coupled to a laser, the photonic crystal structure comprising a beam splitter, an interferometer having a reference arm and a sensor arm, a first output configured to be optically coupled to a bright port photodetector, and a second output configured to be optically coupled to a dark port photodetector.
REFERENCES:
patent: 2568589 (1951-09-01), Labhart
patent: 5396328 (1995-03-01), Jestel et al.
patent: 6330064 (2001-12-01), Rieder
patent: 6493090 (2002-12-01), Lading et al.
patent: 6917431 (2005-07-01), Soljacic et al.
patent: 2002/0048422 (2002-04-01), Cotteverte et al.
patent: 2002/0115002 (2002-08-01), Bailey et al.
patent: 2003/0011775 (2003-01-01), Soljacic et al.
patent: 2004/0081384 (2004-04-01), Datesman et al.
patent: 2005/0128581 (2005-06-01), Samuels et al.
Jones, C.R. et al., “Two-beam Interferometer for Optical Constants Measurements at Near-millimeter Wavelengths”, International Journal of Infrared and Millimeter Waves, vol. 5, No. 3, (1984), pp. 291-292.
Topol'ancik, J. et al., “Fluid detection with photonic crystal-based multichannel waveguides”, Applied Physics Letters, vol. 82 (Feb. 23, 2003), pp. 1143-1145.
Luff, J., “Integrated Optical Mach-Zehnder Biosensor”, Journal of Lightwave Technology, vol. 16, (Apr. 1998), pp. 583-592.
Harrison, D.M., “Mach-Zehnder Interferometer”, (Mar. 16, 1999), Available at: http://web.archive.org/web/20030218090055/http://www.upscale.utoronto.ca/GeneralInterest/Harrison/MachZehnder/MachZehnder.html.
E A Camargo et al-“Mach-Zehnder Channel-Guide Device Structure Based on 2D Photonic Crystal”-Proc of the SPIE vol. 5450 No. 1—Apr. 29, 2004—pp. 333-343.
B J Luff et al-“Integrated Optical Mach-Zehnder Biosensor”-Journal of Lightwave Technology vol. 16 No. 4—Apr. 1998.
Ancik J Topol-“Fluid Detection With Photonic Crystal-Based Multichannel Waveguides”-Applied Physics Letters—vol. 82 No. 8-Feb. 24, 2003-pp. 1143-1145.
LandOfFree
Photonic crystal interferometer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Photonic crystal interferometer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photonic crystal interferometer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3851006