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LIEKKI OY
| LIEKKI OY Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100220965 | OPTICAL FIBER STRUCTURE AND A METHOD OF PRODUCING THEREOF - An optical waveguide including a core, a buffer surrounding the core, and a cladding surrounding the buffer. The core, the buffer and the cladding include silica glass. A refractive index of the buffer is substantially equal to a refractive index of pure amorphous silica glass. The buffer may reduce bubble formation during manufacturing and may facilitate splicing of the waveguide. A numerical aperture of the waveguide may be fine-tuned by adjusting a radial dimension of the buffer in order to compensate variations in the refractive index of the core. | 09-02-2010 |