Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves
Reexamination Certificate
2008-05-05
2011-10-25
Valone, Thomas (Department: 2858)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Analysis of complex waves
C324S076770, C324S710000
Reexamination Certificate
active
08044655
ABSTRACT:
An embodiment of the invention is directed to a pulse measuring system that measures a characteristic of an input pulse under test, particularly the pulse shape of a single-shot, nano-second duration, high shape-contrast optical or electrical pulse. An exemplary system includes a multi-stage, passive pulse replicator, wherein each successive stage introduces a fixed time delay to the input pulse under test, a repetitively-gated electronic sampling apparatus that acquires the pulse train including an entire waveform of each replica pulse, a processor that temporally aligns the replicated pulses, and an averager that temporally averages the replicated pulses to generate the pulse shape of the pulse under test. An embodiment of the invention is directed to a method for measuring an optical or an electrical pulse shape. The method includes the steps of passively replicating the pulse under test with a known time delay, temporally stacking the pulses, and temporally averaging the stacked pulses. An embodiment of the invention is directed to a method for increasing the dynamic range of a pulse measurement by a repetitively-gated electronic sampling device having a rated dynamic range capability, beyond the rated dynamic range of the sampling device; e.g., enhancing the dynamic range of an oscilloscope. The embodied technique can improve the SNR from about 300:1 to 1000:1. A dynamic range enhancement of four to seven bits may be achieved.
REFERENCES:
patent: 4345212 (1982-08-01), Seppala et al.
patent: 5831752 (1998-11-01), Cotter et al.
patent: 7236707 (2007-06-01), Shahar
patent: 2003/0228095 (2003-12-01), Hakimi et al.
Wang et al., Optical packet replicator using cascaded SOA-based active fiber ring, IEEE Photonics Tech Letters, V. 21, N. 18, Sep. 15, 2009, p. 1320-1322.
Kiehl, J.T., et al., Earth's annual global mean energy budget, Bulletin of the Amer. Meterological Soc., 1997, p. 197-209.
Gerald C. Vogel et al; Picosecond Optical Sampling; IEEE Journal of Quantum Electronics, vol. QE-10, No. 9, Sep. 1974; pp. 642-646.
Kung-Li Deng et al.; Single-Shot Optical Sampling Oscilloscope for Ultrafast Optical Waveforms; IEEE Photonics Technology Letters, vol. 10, No. 3, Mar. 1998; pp. 397-399.
A. Jolly et al.; Static and Synchronized Switching Noise Management of Replicated Optical Pulse Trains; Optics Communication 264 (2006) 89-96; Elsevier B.V.
K.L. Deng et al.; Optical Packet Compressor for Ultra-Fast Packet-Switched Optical Networks; Electronics Letters, Jul. 3, 1997, vol. 33, No. 14; pp. 1237-1239.
Donaldson William R.
Marciante John R.
Roides Richard G.
Bond Schoeneck & King , PLLC
Greener William
University of Rochester
Valone Thomas
LandOfFree
Pulse measurement apparatus and method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pulse measurement apparatus and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pulse measurement apparatus and method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4296191