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Bandwidth-Variable Tunable Filter |
Bandwidth-Variable
Tunable Filter <BVF-100>
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BVF-100 is the latest line
of advance tunable optical filters based on our flexible optical filter
tuning technologies. The filter center wavelength is completely tunable
over the entire C-band, and the filter bandwidth is independently
tunable from 0.2nm to 10nm. The filter response of the BVF-100 is an
ideal flat-top profile with a very sharp roll-off at the filter edges.
The BVF-100 offers a low insertion loss of typically
<4dB, and a low polarization sensitivity. More importantly, the
BVF-100 also exhibits an extremely low chromatic dispersion within its
passband, making it an ideal and flexible tunable filter for various
demanding applications requiring full tunability in optical filtering.
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Datasheets |
Key Features
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 Bandwidth variable from 0.2nm to 10nm
Center wavelength tunning range over
40nm
Ideal flat-top filter response with
sharp roll-off
Side-mode suppression of >40dB
Negligible chromatic dispersion within
passband
Low insertion loss, low polarization
sensitivity
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Applications
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WDM, CWDM channel filtering
Optical signal selection/rejection
Dispersion free spectral filtering
Applications requiring variable
passband
Adaptive filtering of optical signals
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Typical Characteristics
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| Fig.1
Filter set at 0.2nm bandwidth tuning across 40nm range. |
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Fig.2
Bandwidth tuned from 0.2nm to 10nm. |
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Typical Optical Performance
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| Fig.3
Spectral shape of the BVF-100 at 0.19nm bandwidth. |
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Fig.4
Spectral shape at 6.0nm bandwidth with 45dB OBS. |
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| Fig.5
Filter spectra tuned across C-band at 6nm bandwidth. |
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Fig.6
Filter in-band group delay dispersion at 10nm bandwidth. |
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