Bismuth doped fibers BPDF O-band
BPDF-SM-5/125-1320 / BPDF-SM-8/125-1320
Description
Datasheet
Bismuth-Phosphorus codoped fiber BPDF-SM-5/125-1320 and BPDF-SM-8/125-1320 series is specially designed for typical application for amplifiers, lasers, superfluorescent fiber sources operating at 1280-1450nm. BPDF-SM-5/125-1320 has low bending losses. Specially designed for wideband amplification since includes 2 types of BACs.
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Bismuth doped fibers | BPDF-SM-5/125-1320 | BPDF-SM-8/125-1320 |
| Wavelength range, nm | 1280 ÷ 1450 | 1280 ÷ 1450 |
| Core diameter, µm | 4.8 ± 0.4 | 7.8 ± 1.2 |
| Clad diameter, µm | 125 ± 5 | 125 ± 5 |
| Coating diameter, µm | 250 ± 20 | 250 ± 20 |
| Polymer type | silicon rubber | silicon rubber or acrylate |
| Core NA | 0.18 ± 0.02 | 0.13 ± 0.02 |
| Cutoff wavelength, µm | 1.15 ± 0.05 | 1.07 ± 0.05 |
| Core absorption (1350 nm), dB/m | 0.5 ± 0.05 | > 0.4 |
| Amplification range (-3dB), nm | 1300 ÷ 1415 | 1295 ÷ 1340 |
| Typ. peak gain (@1320 nm), dB/m | > 0.18 (Pp < 350mW) | > 0.2 (Pp < 350mW @ 1240 nm) |
| Small signal loss (@1550 nm), dB/km | n/a | < 35 |
| Typical laser eff-cy, % | > 15% (vs pump power at 1200 nm) | > 20% (vs pump power at 1240 nm) |
Other parameters are available on the request
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