Non-mechanical adjustment of an optical fiber to an optical...

Details Non-mechanical adjustment of an optical fiber to an optical... Non-mechanical adjustment of an optical fiber to an optical...

2007-11-13

2007-11-13

Wong, Tina M. (Department: 2874)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

C385S052000

Reexamination Certificate

active

10858894

ABSTRACT:
A method of adjusting the attachment of an optical fiber to a laser diode chip within a butterfly package, or any equivalent package, identifies the location of the solder attachment on the optical fiber, thereby moving one or more high power lasers so that their respective beams are incident on the solder attachment. Then, with the application of high power laser pulses according to a predetermined pulse schedule, the solder attachment is heated so that the optical fiber may shift vertically therein. By using an internal or external monitoring means such as an optical power meter, a determination is made when the optical alignment has reached a desired threshold such as when it exceeds a desired optical power output. The pulse schedule may be performed multiple times until a substantially optimized coupling is achieved for the final package.

REFERENCES:
patent: 4807956 (1989-02-01), Tournereau et al.
patent: 4946246 (1990-08-01), Shiga
patent: 6146025 (2000-11-01), Abbink et al.
patent: 6758610 (2004-07-01), Ziari et al.
patent: 6846113 (2005-01-01), Yeh et al.
patent: 7021838 (2006-04-01), Massey
patent: 2004/0091217 (2004-05-01), Nawae et al.

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