Photodiode module and method of making same

Details Photodiode module and method of making same Photodiode module and method of making same

1998-02-03

1999-10-05

Lee, John D.

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

385 93, 385 90, G02B 642, G02B 632

Patent

active

059636947

ABSTRACT:
This invention provides an analog PD module useful for a large number of channels and a digital PD module useful for a large power signal input because of its reduced distortion. The PD chip is fixed at a spot deviating by L tan .alpha. from the lens center in the direction of a projection of a vector TS from the highest edge (T) to the lowest edge (S), where L is the distance between the lens center and the PD. The fiber should deviate in the contrary direction. The orientation enables a beam emanating from the fiber end to pass the center of the lens and reach the PD by spreading on a direct line.

REFERENCES:
patent: 5087109 (1992-02-01), Ishizuka et al.
patent: 5412229 (1995-05-01), Kuhara et al.

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