Fiber‐optic spectral‐streak equalizer

A spectral‐streak equalizer was developed for use with an electronic streak camera to correct for material dispersion in optical fibers. Material dispersion occurs because different wavelengths of light travel at different speeds through glass fibers; the resulting difference in transit times broade...

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Veröffentlicht in:Rev. Sci. Instrum.; (United States) 1985-07, Vol.56 (7), p.1356-1362
Hauptverfasser: Reedy, Robert P., Roeske, Franklin, Smith, Donald E.
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creator Reedy, Robert P.
Roeske, Franklin
Smith, Donald E.
description A spectral‐streak equalizer was developed for use with an electronic streak camera to correct for material dispersion in optical fibers. Material dispersion occurs because different wavelengths of light travel at different speeds through glass fibers; the resulting difference in transit times broadens light pulses, which can lead to errors in certain scientific applications. This new instrument combines optical equalization and streak equalization techniques; it uses an array of optical fibers, as in the optical equalization technique, to partially compensate for the dispersion and uses the streak camera dynamics, as in the streak equalization technique, to complete the compensation. This paper examines the principles of equalization and compares several techniques, enumerates general and specific design considerations, outlines the calibration procedure, details efficiency estimates, describes testing techniques, gives calibration data and test results for spectral‐streak equalizers currently in use, and draws conclusions from recent experience with these devices.
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Material dispersion occurs because different wavelengths of light travel at different speeds through glass fibers; the resulting difference in transit times broadens light pulses, which can lead to errors in certain scientific applications. This new instrument combines optical equalization and streak equalization techniques; it uses an array of optical fibers, as in the optical equalization technique, to partially compensate for the dispersion and uses the streak camera dynamics, as in the streak equalization technique, to complete the compensation. This paper examines the principles of equalization and compares several techniques, enumerates general and specific design considerations, outlines the calibration procedure, details efficiency estimates, describes testing techniques, gives calibration data and test results for spectral‐streak equalizers currently in use, and draws conclusions from recent experience with these devices.</abstract><cop>Woodbury, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.1138485</doi><tpages>7</tpages></addata></record>
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ispartof Rev. Sci. Instrum.; (United States), 1985-07, Vol.56 (7), p.1356-1362
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1089-7623
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source AIP Digital Archive
subjects 440300 - Miscellaneous Instruments- (-1989)
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700102 - Fusion Energy- Plasma Research- Diagnostics
Applied sciences
CALIBRATION
CAMERAS
CHERENKOV RADIATION
Circuit properties
DESIGN
DISPERSION RELATIONS
EFFICIENCY
Electric, optical and optoelectronic circuits
ELECTROMAGNETIC RADIATION
Electronics
Exact sciences and technology
FIBER OPTICS
FIBERS
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
OPTICAL FIBERS
OTHER INSTRUMENTATION
PHOTOGRAPHY
PLASMA DIAGNOSTICS
RADIATIONS
STREAK PHOTOGRAPHY
TESTING
title Fiber‐optic spectral‐streak equalizer
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