Surface emitting laser and optical coherence tomography measuring apparatus using the surface emitting laser

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United States of America Patent

PATENT NO 9360298
APP PUB NO 20150002849A1
SERIAL NO

14313567

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Abstract

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A surface emitting laser operable to change a wavelength of emitted light includes a first reflecting mirror, a second reflecting mirror, wherein a cavity is formed between the first reflecting mirror and the second reflecting mirror along the optical axis of the surface emitting laser, an active layer formed within the cavity, a region formed within the cavity, and a movable part situated within the region, the movable part having a refractive index different from a refractive index of the region. The wavelength of emitted light is changeable by changing the position of the movable part along the direction of the optical axis in the region.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagatomo, Yasuhiro Kawasaki, JP 37 571

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