PMW Skovgaard, MD Nielsen - US Patent 7,532,792, 2009 - Google Patents
An optical coupler for coupling light from at least two input fibers into one output fiber and a method of fabricating and use of an optical coupler. The coupler comprises a) an input …
TA Reichardt, AK Luong, TJ Kulp, S Devdas - US Patent 7,375,814, 2008 - Google Patents
(52) US Cl........................................ 356,437; 250/330 A system is described that is suitable for use in determining (58) Field of Classification Search................ 356/437; the location of leaks …
TJ Kulp, DAV Kliner, R Sommers, UB Goers… - US Patent …, 2006 - Google Patents
The location of gases that are not visible to the unaided human eye can be determined using tuned light sources that spectroscopically probe the gases and cameras that can …
EC Honea, MP Savage-Leuchs, SM Courtney… - US Patent …, 2015 - Google Patents
Apparatus and method for Suppressing modal instabilities (MI) in fiber-amplifier systems. In some embodiments, ther mal effects drive the MI process, and in some such embodi ments …
ST Ho, Y Huang - US Patent 8,538,208, 2013 - Google Patents
US8538208B2 - Apparatus for coupling light between input and output waveguides - Google Patents US8538208B2 - Apparatus for coupling light between input and output …
Y Zhou, ST Ho - US Patent App. 10/083,674, 2003 - Google Patents
Composite optical waveguide structures or mode transformers and their methods of fabrication and integration are disclosed, wherein the structures or mode transformers are …
GP Frith - US Patent 8,027,557, 2011 - Google Patents
BACKGROUND Optical fiber devices, such as optical fiberlasers and ampli fiers, that can provide high output power as well as high beam quality, are of considerable commercial and …
The inventive optical fiber coupler array is capable of providing a low-loss, high-coupling coefficient interface with high accuracy and easy alignment between a plurality of optical …
M Cai, G Barbarossa - US Patent 7,184,623, 2007 - Google Patents
Appl. No.: 11/051,742(57)(22) Filed: Feb. 3, 2005 An improved fiber-optic communications system comprises e as a multi-mode waveguide carrying an optical signal, a single (65) …