4.17691. A 12, 1979 Maratical... 350.9631 Multimode optical fibers disclosed herein
comprise a core 4.184, 744 A 1980 Onoda et al... 350.96. 33 region and a cladding region …

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 …

US8131125B2 - Bend-insensitive single-mode optical fiber - Google Patents US8131125B2 -
Bend-insensitive single-mode optical fiber - Google Patents Bend-insensitive single-mode …

An ytterbium-doped optical fiber of the present invention includes: a core which contains
ytterbium, aluminum, and phosphorus and does not contain germanium; and a cladding …

US7760978B2 - Optical fiber configuration for dissipating stray light - Google Patents
US7760978B2 - Optical fiber configuration for dissipating stray light - Google Patents Optical …

We report a novel type of active fiber–tapered double clad fiber suitable for pumping by low
brightness sources with large beam parameter product of 50÷ 300 mm× mrad. Ytterbium …

An optical fiber comprises a photosensitive core that includes a concentration of a first
material that increases the refractive index of the core and a concentration of a second …

5,963,700 5,966,490 6,181,858 6,185.353 6,266.467 6,317,551 6,334,019 6,360,046
6,396.987 6,415,089 6,422,042 6.424, 776 6,466,721 6,477,305 6,490,396 6,510,268 …

An optical transmission fiber includes a central core having an index difference Δn 1 with an
outer optical cladding; a first inner cladding having an index difference Δn 2 with the outer …

(57) ABSTRACT A single-mode optical? ber includes a central core, an inter mediate
cladding, a depressed trench, and an external optical cladding. The central core has a …