Optics: measuring and testing – By light interference – Having partially reflecting plates in series
Reexamination Certificate
2008-12-23
2010-06-29
Chowdhury, Tarifur (Department: 2886)
Optics: measuring and testing
By light interference
Having partially reflecting plates in series
C356S073100
Reexamination Certificate
active
07746480
ABSTRACT:
An apparatus characterizes at least one fiber Bragg grating. The apparatus includes a laser pulse source, an optical spectrum analyzer, and multiple optical paths. A first optical path includes a pulse stretcher and an attenuator. A second optical path optically coupled to the first optical path includes a mirror. A third optical path optically coupled to the first optical path includes a first fiber Bragg grating. A fourth optical path is optically coupled to the second optical path, the third optical path, and the optical spectrum analyzer. A fifth optical path optically coupled to the laser pulse source and the optical spectrum analyzer includes a delay line.
REFERENCES:
patent: 4742577 (1988-05-01), Valdmanis
patent: 5062703 (1991-11-01), Wong et al.
patent: 5748312 (1998-05-01), Kersey et al.
patent: 6501414 (2002-12-01), Arndt et al.
patent: 6654516 (2003-11-01), So
patent: 6680472 (2004-01-01), Thingbø et al.
patent: 1 339 254 (2003-08-01), None
patent: PCT/US2005/017069 (2005-05-01), None
patent: WO 2005/054829 (2005-06-01), None
patent: PCT/US2005/017069 (2005-12-01), None
Ozcan, A., et al.,A Simple Post-Processing Technique to Improve the Retrieval Accuracy of Second-Order Nonlinearity Profiles, Conference on Lasers and Electro Optics (CLEO) 2004.
Ozcan, A., et al.,Post-Processing of the Second-Order Optical Nonlinearity Profile Retrieval Using an Inverse Fourier Transform Technique, draft paper, 2003.
Ozcan, A., et al.,Simplified Inverse Fourier Transform Technique to Determine Second-Order Optical Nonlinearity Profiles Using a Reference Sample, Proceedings of Optical Fiber Communication Conference (OFC'04),OSA Technical Digest, Optical Society of America, Washington, D.C., 2004, paper FC3.
Ozcan, A., et al., Inverse Fourier Transform Technique to Determine Second-Order Optical Nonlinearity Spatial Profiles,Applied Physics Letters, vol. 82, 2003, pp. 1362-1364.
Ozcan, A., et al., Improved Fourier Transform Technique to DetermineSecond-Order Optical Nonlinearity Profiles, Proceedings of Bragg Gratings, Photosensitivity and Poling in Glass Waveguies (BGPP'03),OSA Technical Digest, Optical Society of America, Washington, D.C., 2003, paper WB3, pp. 259-261.
Ozcan, A., et al., Cylinder-Assisted Maker-Fringe Technique,Electronics Letters, 2004.
Ozcan, A., et al., Erratum: Inverse Fourier Transform Technique to Determine Second-Order Optical Nonlinearity Spatial Profiles,Applied Physics Letters, vol. 83, 2003, p. 1679.
A. Ozcan, M. J. F. Digonnet, and G. S. Kino, “Group delay recovery using iterative processing of amplitude of transmission spectra of fibre Bragg gratings,” Electron. Lett. 40, 1104-1106 (2004).
A. Ozcan, M. J. F. Digonnet, and G. S. Kino, “Iterative processing of second-order optical nonlinearity depth profiles,” Opt. Express 12, 3367-3376 (2004), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-15-3367.
A. Rosenthal and M. Horowitz, “Inverse scattering algorithm for reconstructing strongly reflecting fiber Bragg gratings”, IEEE Journal of Quantum Electronics, vol. 39, pp. 1018-1026, Aug. 2003.
A. Rundquist, A.Efimov, and D. H. Reitze, “Pulse shaping with the Gerchberg-Saxton algorithm”, J. Opt. Soc. Am. B 19, 2468-2478 (2002).
D. W. Huang and C. C. Yang, “Reconstruction of fiber grating refractive-index profiles from complex Bragg reflection spectra,” Appl. Opt. 38, 4494-4499 (1999).
Huang et al., “Retrival of the refractive-index distribution of fiber gratings with complex Bragg relection measurements,” Technical Digest, Conference on Lasers and Electro-Optics 1999, Baltimore, May 28, 1999, pp. 297-298.
E. I. Petermann, J. Skaar, B. E. Sahlgreen, R. A. H. Stubbe, A. T. Friberg, “Characterization of fiber Bragg gratings by use of optical coherence-domain reflectometry,” J. of Lightwave Technol. 17, 2371-2378 (1999).
J. Skaar and H.E. Engan, “Phase Reconstruction From Reflectivity in Fiber Bragg Gratings,” Optics Letters, 1999, vol. 24, pp. 136-138.
J. Skaar, “Measuring the group delay of fiber Bragg gratings by use of end-reflection interference,” Opt. Lett. 24, 1020-1022 (1999).
J. Skaar, “Synthesis of fiber Bragg gratings for use in transmission,” J. Opt. Soc. Am. A 18, 557-564 (2001).
J. R. Fienup, “Reconstruction of an object from the modulus of its Fourier transform,” Opt. Lett. 3, 27-29 (1978).
K.B. Rochford and S.D. Dyer, “Reconstruction of Minimum-Phase Group Delay From Fibre Bragg Grating Transmittance/Reflectance Measurements,” Electronics Letters, 1999, vol. 35, pp. 838-839.
L. Poladian, “Group-delay reconstruction for fiber Bragg gratings in reflection and transmission”, Opt. Lett. 22, 1571-1573 (1997).
L. R. Chen, S. D. Benjamin, P. W. E. Smith and J. E. Sipe, “Ultrashort pulse reflection from fiber gratings: a numerical investigation,” J. of Lightwave Technol. 15, 1503-1512 (1997).
Maker et al., Effects of Dispersion and Focusing on the Production of Optical Harmonics, Physical Review Letters, vol. 8, 1962, pp. 21-22.
M. Hayes, J. S. Lim, and A. V. Oppenheim, “Signal reconstruction from phase or magnitude,” IEEE Trans. Acoust., Speech, Signal Processing 28, 672-680 (1980).
M. M. Wefers and K. A. Nelson, “Analysis of programmable ultrashort waveform generation using liquid-crystal spatial light modulators”, J. Opt. Soc. Am. B 12, 1343-1362 (1995).
M.A. Muriel and A. Carballer, “Phase Reconstruction From Reflectivity in Uniform Fiber Bragg Gratings,” Optics Letters 1997, vol. 22, pp. 93-95.
Myers et al., “Large Second-Order Nonlinearity in Poled Fused Silica,” Optics Letters, vol. 16, 1991, pp. 1732-1734.
P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathe, C. H. Zimmer, and H. H. Gilgen, “Bragg grating characterization by optical low-coherence reflectometry,” IEEE Photon. Technol. Lett. 5, 565-567 (1993).
R. W. Gerchberg and W. O. Saxton, “Practical algorithm for the determination of phase from image and diffraction plane pictures,” Optik 35, 237-246 (1972).
S. D. Dyer, K. B. Rochford and A. H. Rose, “Fast and accurate low-coherence interferometric measurements of fiber Bragg grating dispersion and reflectance,” Optics Express 5, 262-266 (1999).
S. Keren and M. Horowitz, “Interrogation of fiber gratings by use of low-coherence spectral interferometry of noiselike pulses,” Opt. Lett. 26, 328-330 (2001).
S. Keren, A. Rosenthal, and M. Horowitz, “Measuring the structure of highly reflecting fiber Bragg gratings,” IEEE Photon. Tech. Lett. 15, 575-577 (2003).
T. Erdogan, “Fiber grating spectra,” J. Lightwave Technol. 15, 1277-1294 (1997).
T. F. Jr. Quatieri and A. V. Oppenheim, “Iterative techniques for minimum phase signal reconstruction from phase or magnitude,” IEEE Transactions on Acoustics, Speech, and Signal Processing 29, 1187-1193 (1981).
U. Wiedmann, P. Gallion, G. Duan, “A Generalized approach to optical low-coherence reflectometry inducing spectral filtering effects,” J. of Lightwave Technol. 16, 1343-1347 (1998).
V. Oppenheim and R. W. Schafer, Digital Signal Processing, (Prentice Hall, 2002), Chap. 7.
Digonnet Michel J. F.
Kino Gordon S.
Ozcan Aydogan
Chowdhury Tarifur
Cook Jonathon D
Knobbe Martens Olson & Bear LLP
The Board of Trustees of the Leland Stanford Junior University
LandOfFree
Apparatus for characterizing fiber Bragg gratings does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for characterizing fiber Bragg gratings, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for characterizing fiber Bragg gratings will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4249050