Fiber alignment using a channel incorporating a fulcrum...

Details Fiber alignment using a channel incorporating a fulcrum... Fiber alignment using a channel incorporating a fulcrum...

2005-03-01

2005-03-01

Glick, Edward J. (Department: 2882)

Optical waveguides

With optical coupler

With alignment device

C385S129000, C385S050000

Reexamination Certificate

active

06862389

ABSTRACT:
Optical alignment between a communication optical fiber and an optical device is achieved by using a substrate including a fiber-holding channel formed in the top surface of the substrate. The channel is particularly formed to include a central fulcrum region, against which the fiber is pressed into as the fiber-to-device alignment is performed. In particular, the fulcrum functions as a pivot point to allow for the free endface of the fiber nearest the optical device to be adjusted (performing a “fine” adjustment) by manipulating the opposing end of the fiber (using a “gross” movement) until alignment with the optical device is achieved. A reduction of, for example, 14:1 between the gross movement and the fine adjustment can be achieved by using the inventive fulcrum structure.

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Hunziker, et. al. “Self-aligned flip-chip packaging of tilted semiconductor optical amplifier arrays on Si motherboard” Electronics Letters, Mar. 16, 1995, vol. 31, No. 6, pp. 488-490.

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