Modulated light source
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United States of America Patent
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Sep 6, 2016
Grant Date -
Dec 10, 2015
app pub date -
Jun 4, 2015
filing date -
Jun 5, 2014
priority date (Note) -
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Abstract
A modulated light source includes: a reflective film which is formed at one end of an optical amplifier; a light wavelength filter which has band-pass characteristics and modulates a transmission center wavelength; a light reflection mechanism which feeds back light having passed through the light wavelength filter to the optical amplifier and an optical resonator is formed between which and the reflective film; and a wavelength adjustment mechanism which adjusts the transmission center wavelength to coincide with a specific oscillation wavelength when light oscillation selectively occurs at the specific oscillation wavelength depending on the band-pass characteristics of the light wavelength filter.
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