US Patent 7403280 Fiber coupling into bent capillary

A fluidic device is provided which is adapted to subject a fluid to light. It generally comprises a capillary that is adapted for conducting the fluid and which furthermore and comprises at least one bending and at least one waveguide having an end face that is adapted for at least emitting or receiving light. The end face is coupled with the bending for emitting light into the fluid or receiving light from the capillary.