G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 11/02 (2006.01) H04B 10/08 (2006.01)
Patent
CA 2461081
In one half portion of one surface 11a of a substrate 11 there are formed in parallel V grooves 14 1 and 14 2 of the same depth, in which optical fibers 21 and 22 are disposed and positioned with their axes held at a height H1 with respect to the surface 11a. The optical fibers 21 and 22 have lens portions 21 a and 22a formed integrally therewith at one end, and the end faces of the lens portions 21 a and 22a are tilted at an angle .theta.' from their axes. A beam sputter 31 is mounted on the substrate 11 on a center line 25 between elongations of the optical fibers 21 and 22, and light emitted from the lens portion 21 a propagates through space and is launched in focused form into the beam sputter 31, and a portion of the incident light is reflected, which propagates space and is launched in focused form into the lens portion 22a and propagates through the optical fiber 22. The light having passed through the beam splitter 31 is launched into a light receiving element 32. By monitoring an electrical signal that is output from the light receiving element 32, it is possible to monitor the light propagating through the optical fiber 22.
Japan Aviation Electronics Industry Limited
Kirby Eades Gale Baker
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