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Lei Xu Patents
Inventor:
Xu; Lei
Address:
Princeton, NJ
No. of patents:
5
Patents:




Patent Number Title Of Patent Date Issued
7068894 All-optical wavelength converter based on Sagnac interferometer with an SOA at asymmetric positi June 27, 2006
According to at least one embodiment, a system comprises a Sagnac interferometric loop and a semiconductor optical amplifier (SOA) located at an asymmetric position on that loop, wherein the Sagnac interferometric loop and the SOA are operable to perform signal conversion on an input
6969205 Optical fiber pigtail assembly November 29, 2005
A fiber tail assembly (FTA) with a micro-lens formed in the fiber tip is used to couple the laser light out of the package and along the fiber. The FTA is soldered at two points where metallized bands are deposited on the fiber pigtail, one at a fiber mount near the diode where it can be
6905713 Production of high-quality protein isolates from defatted meals of Brassica seeds June 14, 2005
The present invention provides a method for processing defatted oil seeds, comprising the steps of: (a) solubilizing at least a portion of the protein contained in the oil seeds to produce suspended residual solids and a first solution comprising protein, phenolic-protein complexes, and
6748137 Lensed optical fiber June 8, 2004
A microlens on the end of an optical fiber has reduced back reflections to a light source, such as a pump laser diode. In a particular embodiment, the microlens is lapped on two radii, at least one of which is offset from the center axis of the fiber, to form a point on the end of the fi
6448197 Method for making a metal containing small pore molecular sieve catalyst September 10, 2002
A molecular sieve and a molecular sieve catalyst containing a surface heat impregnated with a metal. The molecular sieve is heated in the presence of a metal containing solution at a temperature between 30.degree. C. and 400.degree. C. then separated from the metal containing solution. T


 
 
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