Stephanus J Spammer

US Patent:

6546167, Apr 8, 2003

Filed:

Dec 11, 2001

Appl. No.:

10/014324

Inventors:

Gang Chen - Walnut CA
Stephanus J. Spammer - Painted Post NY

Assignee:

Corning Incorporated - Corning NY

International Classification:

G02B 628

US Classification:

385 24, 385 37, 385 46, 359130

Abstract:

One aspect of the invention is an optical add/drop multiplexer. The optical add/drop multiplexer includes a first optical circulator, the first circulator includes a first port, a second port, and a third port. The optical add/drop multiplexer also includes a first tunable grating coupled to the first port and a second tunable grating coupled to the first grating. The optical add/drop multiplexer further includes a second optical circulator, the second optical circulator includes a fourth port, coupled to the second grating; a fifth port, and a sixth port. Wherein the first tunable grating is a fiber Bragg grating and wherein the second tunable grating is a fiber Bragg grating.

US Patent:

20030161601, Aug 28, 2003

Filed:

Feb 28, 2002

Appl. No.:

10/087235

Inventors:

Mike Ouyang - Painted Post NY, US
Stephanus Spammer - Painted Post NY, US

International Classification:

G02B006/22
B05D005/06

US Classification:

385/128000, 385/010000, 427/162000, 427/163200

Abstract:

In accordance with an exemplary embodiment of the present invention, a method of forming at least one layer over an optical element includes providing the optical fiber which has a central axis; rotating the optical element about the central axis; and forming the layer with a substantially uniform thickness during the rotation. According to another exemplary embodiment of the present invention, an optical element has at least one layer of a substantially uniform radial thickness.