Element for transfer of light wave between optical components and the production method thereof
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United States of America Patent
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Issued Date -
Jan 27, 2005
app pub date -
Jun 24, 2004
filing date -
Jun 22, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A transfer element has a first face and a second face. The first face is arranged facing a first optical component comprising at least one optical guide. The second face is arranged to face a second optical component. The transfer element is capable of transferring a light wave comprising one or several wavelengths, from one component to another. The transfer element is transparent to at least one wavelength of the light wave and has a refraction index greater than the largest of the effective indexes associated with the light wave when the light wave propagates in the first and in the second component. The transfer element also comprises at least one coupling/decoupling pattern on a first face positioned facing part of the optical guide. The pattern is separated from the first component by a distance d.sub.g1 less than a threshold distance d.sub.s1 above which no light wave can be transferred from the first component to the transfer element and vice versa.
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