Optical fiber having cladding scattering centers

Details Optical fiber having cladding scattering centers Optical fiber having cladding scattering centers

2011-03-29

2011-03-29

Hahm, Sarah (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

C065S376000

Reexamination Certificate

active

07916991

ABSTRACT:
In an optical fiber (1) for the transmission of high-power laser radiation, with a fiber core (2), with an inner fiber cladding (3) surrounding the fiber core (2) for carrying the laser radiation in the fiber core (2), with a first outer fiber cladding (4) surrounding the inner fiber cladding (3), which has a smaller refractive index than the inner fiber cladding (3) as a result of longitudinally aligned air-filled capillaries (5), and with a second outer fiber cladding (6) surrounding the first outer fiber cladding (4), wherein the first outer fiber cladding (4) has a capillary-free longitudinal section (8), the second outer fiber cladding (6) has according to the invention scattering centers (7) at least in the region of the capillary-free longitudinal section (8) for scattering the laser radiation emerging from the inner fiber cladding (3) along the capillary-free longitudinal section (8).

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