4 ms·
Fibers are not transparent enough in visible. I found about 10dB/km (to be compared with 0.2 dB/km around 1550nm) [0]. This means that after every km the light
by lefra 6mo ago
Fibers are not transparent enough in visible. I found about 10dB/km (to be compared with 0.2 dB/km around 1550nm) [0]. This means that after every km the light intensity is divided by 10, which is completely impractical for telecommunications.
[0] https://media.thorlabs.com/globalassets/family-pages/sharedassets/s/sm/sm_fluoride_fiber_attenuation_comparison_g1-780.gif?v=1117010007 https://media.thorlabs.com/globalassets/family-pages/shareda...
- osamagirl69 6mo agoThat depends on the application, the standard for short range (<100m -- fine for most anything that doesn't leave your building) is already to use 800nm.