Bad channels in the prototype waveguide. Contents Waveguides to be checked Method for checking Results and comment Next to do. Hideyuki Sakamoto Tracker meeting, 10 th May,2006. Waveguides to be checked. Internal waveguide. 3 kinds of waveguide
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New-type MICE connector
Old-type MICE connector
D0 connector (128channels)
Method (1): Taking pictures by a digital camera with flash from the surface of D0 connector ( or Inner connector). Some bad channels seems shining, which are considered as a reflecting light from bad surface inside the fiber.
Method (2): Looking fibers by eye with injecting light from the connector and finding bad fibers where light is leaking.
(1) Reflecting light
(2) Leaking light
Rolled / straight
Digital camera/ CCD