The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 08, 1994
Filed:
Mar. 18, 1992
Ren-Sue Wong, Sunnyvale, CA (US);
Kaptron, Inc., Palo Alto, CA (US);
Abstract
A method for fabricating single-mode and multi-mode attenuators characterized by a high level of wavelength insensitivity. A light source is connected to one end of a fiber and the other end is connected to an optical power meter. The optical power meter is set to a 0 dB reference. The fiber is then cut and the cut ends cleaved to define first and second segments. The ends of the segments are offset and overlapped by an axial distance that is large relative to the fiber diameter. The overlapping ends are heated so that they assume a fused state, and the relative axial positioning of the fiber ends while they are in the plastic state is adjusted to achieve the desired degree of attenuation, as indicated on the meter.