OPTICAL PULSE TESTER USING LIGHT EMITTING DEVICE
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United States of America Patent
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app pub date -
Feb 19, 2013
filing date -
Aug 17, 2010
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Abandoned
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Abstract
To provide a small and high-performance optical pulse tester using a light emitting device including semiconductor light emitting element capable of emitting light beams with wavelengths in a plurality of wavelength ranges with a high optical output. An optical pulse tester includes: a light emitting device including a semiconductor light emitting element having first and second light emitting end facets formed by cleavage respectively, and a light emitting element driving circuit which applies a driving current to each of a plurality of active layers; a light receiving section which converts returned light of the optical pulse from the optical fiber to be measured into an electric signal; and a signal processor which analyzes a loss distribution characteristic of the optical fiber to be measured on the basis of the electric signal converted by the light receiving section.
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