US 7,321,708 B2
Optical fibre amplifier
Richard M. Jenkins, Malvern (United Kingdom); Mark E. McNie, Malvern (United Kingdom); Nicola Price, Malvern (United Kingdom); and Craig D. Stacey, Malvern (United Kingdom)
Assigned to Qinetiq Limited, (United Kingdom)
Appl. No. 10/580,750
PCT Filed Nov. 26, 2004, PCT No. PCT/GB2004/004992
§ 371(c)(1), (2), (4) Date May 26, 2006,
PCT Pub. No. WO2005/055377, PCT Pub. Date Jun. 16, 2005.
Claims priority of application No. 0327661.5 (GB), filed on Nov. 28, 2003.
Prior Publication US 2007/0097491 A1, May 03, 2007
Int. Cl. H01S 3/00 (2006.01); G02B 6/26 (2006.01)
U.S. Cl. 385—52  [359/341.1] 28 Claims
OG exemplary drawing
 
1. An optical amplifier comprising at least two sections of amplifying optical fibre, pumping means for optically pumping the at least two sections of amplifying optical fibre and an optical fibre support means for holding the at least two sections of amplifying optical fibre substantially straight during use, wherein the optical fibre support means additionally comprises means to couple light between the at least two sections of amplifying optical fibre.