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Bandwidth Variable Filter is available through BBN International for customers seeking specialist optical, electronic and industrial technology solutions.
ASE noise suppression DWDM channel filtering WDM wavelength tuning Pulse shaping Bandwidth Variable Filter of BWTF-series is built based on free-space optics combing with diffraction grating to produce a flat-top transmission. It is a 2-port fibre-optic device. When a wide-band spectrum is injected to the input port, the tuneable filter will select a target band for output and reject the rest band of spectrum. Transmission bandwidth is variable at a centre wavelength fixed within some spectral range. Bandwidth adjustment is actuated by either a precise micrometer driver or a micro step-motor connected to a PC through a USB interface in which actuation is monitored by a built-in encoder and controlled dynamically in a closed-loop. Patent-pending optics design offers a great option of bandwidths and tuning ranges with unprecedented low insertion loss and polarisation dependent loss (PDL) in the market. Precise tuning mechanism enables filters to provide high wavelength resolution and excellent wavelength-tuning repeatability. Both of manual and electric version filters are available over X-, O-, S-, C-, & L- bands.
Key features: Up to 100nm wavelength tuning range available over 1000-1700nm; Unprecedented low insertion loss and PDL; High optical power handling; Accurate and uniform bandwidth over whole tuning range; Down to 0.2nm FWHM bandwidth; High out-band suppression.
Typical applications: ASE noise suppression; DWDM channel filtering; WDM wavelength tuning; Pulse shaping.
For product specifications, suitability and further information, please visit the product page or contact BBN International.
ASE noise suppression DWDM channel filtering WDM wavelength tuning Pulse shaping Bandwidth Variable Filter of BWTF-series is built based on free-space optics combing with diffraction grating to produce a flat-top transmission. It is a 2-port fibre-optic device. When a wide-band spectrum is injected to the input port, the tuneable filter will select a target band for output and reject the rest band of spectrum. Transmission bandwidth is variable at a centre wavelength fixed within some spectral range. Bandwidth adjustment is actuated by either a precise micrometer driver or a micro step-motor connected to a PC through a USB interface in which actuation is monitored by a built-in encoder and controlled dynamically in a closed-loop. Patent-pending optics design offers a great option of bandwidths and tuning ranges with unprecedented low insertion loss and polarisation dependent loss (PDL) in the market. Precise tuning mechanism enables filters to provide high wavelength resolution and excellent wavelength-tuning repeatability. Both of manual and electric version filters are available over X-, O-, S-, C-, & L- bands.
Key features: Up to 100nm wavelength tuning range available over 1000-1700nm; Unprecedented low insertion loss and PDL; High optical power handling; Accurate and uniform bandwidth over whole tuning range; Down to 0.2nm FWHM bandwidth; High out-band suppression.
Typical applications: ASE noise suppression; DWDM channel filtering; WDM wavelength tuning; Pulse shaping.
For product specifications, suitability and further information, please visit the product page or contact BBN International.
For more information on Bandwidth Variable Filter talk to BBN International Ltd
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