1. Articles from Michael Minneman

    1-8 of 8
    1. System and method for creating and utilizing multivariate paths for ongoing simultaneous multi-dimensional control to attain single mode sweep operation in an electromagnetic radiation source

      System and method for creating and utilizing multivariate paths for ongoing simultaneous multi-dimensional control to attain single mode sweep operation in an electromagnetic radiation source

      A method for sweeping an electromagnetic radiation source (12) to produce single mode operation having an optimized side-mode suppression ratio over a continuous range of wavelengths within a prescribed temporal profile, the electromagnetic radiation source is configured to output electromagnetic radiation at a given wavelength based upon parameters. The method includes determining a set of parameter combinations that satisfy a condition for a desired set of wavelengths and a maximum side mode suppression ratio over the range of wavelengths. The set of parameter combinations define sub-paths for transitioning from one wavelength to another wavelength. Combinations of select sub-paths provide a ...

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    2. System and method for generating and utilizing a valid sweep signal to obviate spurious data and increase sweep rate in an akinetic path-based swept laser

      System and method for generating and utilizing a valid sweep signal to obviate spurious data and increase sweep rate in an akinetic path-based swept laser

      A system and method for triggering data acquisition in a semiconductor laser system including outputting electromagnetic energy from the semiconductor laser over a range of wavelengths according to a signaling path. The signaling path includes a plurality of discrete data inputs to the semiconductor laser for outputting electromagnetic energy over a range of wavelengths and the signaling path includes one or more perturbances in transitioning from one wavelength to another wavelength along the signaling path. A series of triggering signals for input to a measurement system is generated by the semiconductor laser. The semiconductor laser also generates a series of ...

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    3. System and method for generating and utilizing a valid sweep vector to obviate spurious data and increase sweep rate in an akinetic path-based swept laser

      System and method for generating and utilizing a valid sweep vector to obviate spurious data and increase sweep rate in an akinetic path-based swept laser

      A system and method for triggering data acquisition in a semiconductor laser system including outputting electromagnetic energy from the semiconductor laser over a range of wavelengths according to a signaling path. The signaling path includes a plurality of discrete data inputs to the semiconductor laser for outputting electromagnetic energy over a range of wavelengths and the signaling path includes one or more perturbances in transitioning from one wavelength to another wavelength along the signaling path. A series of triggering signals are generated for input to a measurement system by the semiconductor laser. The electromagnetic energy output from the semiconductor laser ...

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    4. System and method for optimization of coherence length of tunable laser sources

      System and method for optimization of coherence length of tunable laser sources

      A system and method for adjusting the coherence length of a tunable laser to optimize measurements and reduce artifacts. A tuning element of the laser system modulates, adjusts, or controls parameters associate with the tunable laser, such that the output wavelength of the tunable laser is modulated or adjusted over a wavelength range within a time interval. Modulation of the parameter has the effect of increasing a linewidth of the tunable laser.

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    5. System and method for generating an optimum side-mode suppression ratio continuous tuning path for a semiconductor tunable laser

      System and method for generating an optimum side-mode suppression ratio continuous tuning path for a semiconductor tunable laser

      A system and method to determine data sets of front mirror current, back mirror current and phase current that change the wavelength output by a semiconductor laser in a prescribed trajectory versus time, while maintaining the maximum side-mode suppression ratio at each point during the sweep.

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    6. System and method for improved resolution, higher scan speeds and reduced processing time in scans involving swept-wavelength interferometry

      System and method for improved resolution, higher scan speeds and reduced processing time in scans involving swept-wavelength interferometry

      A system and method for measuring an interferometric signal from a swept-wavelength interferometer by scanning a tunable laser source over two wavelength ranges, whose centers are separated substantially more than the length of wavelength ranges. The spatial resolution of the measurement is determined by the inverse of the wavelength separation between a first and second wavelength region, as well as by the wavelength range of the first and second regions. An electronically tunable laser may be utilized to produce two wavelength ranges that are widely separated in wavelength. Such a system and method has wide applications to the fields of ...

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    7. System And Method For Improved Resolution, Higher Scan Speeds And Reduced Processing Time In Scans Involving SWEPT-WAVELENGTH Interferometry

      System And Method For Improved Resolution, Higher Scan Speeds And Reduced Processing Time In Scans Involving SWEPT-WAVELENGTH Interferometry

      A system and method for measuring an interferometric signal from a swept-wavelength interferometer by scanning a tunable laser source (12) over two wavelength ranges, whose centers are separated substantially more than the length of wavelength ranges. The spatial resolution of the measurement is determined by the inverse of the wavelength separation between a first and second wavelength region, as well as by the wavelength range of the first and second regions. An electronically tunable laser may be utilized to produce two wavelength ranges that are widely separated in wavelength. Such a system and method has wide applications to the fields ...

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    8. Apparatus and method to detect and correct for mode hop wavelength error in optical component measurement systems

      Apparatus and method to detect and correct for mode hop wavelength error in optical component measurement systems
      A method of and system for correcting mode hop wavelength error in data obtained measuring optical characteristics over a number of wavelengths, includes at a location where mode hop wavelength error occurs in an assemblage of data, representing optical characteristics with respect to wavelength of incident electromagnetic energy of a device under test, compensating or correcting the data to overcome errors due to mode hop occurring in the measurement process.
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    1-8 of 8
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    1. (8 articles) Michael P. Minneman
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    Apparatus and method to detect and correct for mode hop wavelength error in optical component measurement systems System And Method For Improved Resolution, Higher Scan Speeds And Reduced Processing Time In Scans Involving SWEPT-WAVELENGTH Interferometry System and method for improved resolution, higher scan speeds and reduced processing time in scans involving swept-wavelength interferometry System and method for optimization of coherence length of tunable laser sources System and method for generating an optimum side-mode suppression ratio continuous tuning path for a semiconductor tunable laser System and method for generating and utilizing a valid sweep vector to obviate spurious data and increase sweep rate in an akinetic path-based swept laser System and method for generating and utilizing a valid sweep signal to obviate spurious data and increase sweep rate in an akinetic path-based swept laser System and method for creating and utilizing multivariate paths for ongoing simultaneous multi-dimensional control to attain single mode sweep operation in an electromagnetic radiation source Expert consensus published on use of imaging to guide heart attack treatment Impact of Swept Source optical coherence tomography in patients with photoreceptor dystrophies ‘Primum non nocere’ aortic dissection involving ostium of right coronary artery diagnosed by optical coherence tomography Analysis of the Variation in Thickness of Per-papillary Retinal Optic Nerve Fibres in Professional Rugby Players