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| Characteristic |
FIBER FABRY-PEROT |
CHAMELEON THIN-FILM |
| Applications |
Optical channel analysis
Laser & amplifier noise suppression
Tunable ring lasers
Tunable laser tracking
Ultra dense WDM channel
drop
Rapid wavelength interrogation
|
Channel selection
Optical performance
monitoring
Optical add/drop or add & drop
Tunable narrow-band source generation |
| Bandpass Profile |
Narrow peak, Lorentzian
profile
(Fig.1 illustrates the high-resolution
high-contrast transmission profile)
|
Flat top, steep sides
(Fig.2 illustrates the flat-top and
sharp band-edge transmission profile) |
| Full Transmission
Profile |
Airy Function, customized
periodic
resonance spacing, comb filter |
Single, narrow bandpass
within very
wide resonance spacing |
| Number of ports |
2 - Input/Drop
(capture express channel with circulator) |
2 - Input/Drop
3 - Input/Drop/Express or Add/Express/Output
4 - Input/Drop/Express/Add |
| Calibration |
External wavelength
reference required |
Internally calibrated |
| Modes of Operation |
Spectrum scan
Channel lock |
Spectrum scan
Wavelength set |