Narrow Band Tuneable Filters Wideband Tuenable Filters BandPass Tuneable Filters Bandwidth Adjustable Tuneable Filters

Together with its partners ELUXI is able to offer a comprehensive range of solutions in this area.  If you cannot find what you are looking for from the information below, please contact us directly.




Short & Long Bandpass Tunable Filters of WLTF-BM- & WLTF-BE- series are built based on free-space optical Fourier transformation combing with diffraction grating to implement passband tuning. Unique optics design produces an access of selecting spatially desired spectral ingredients, either long pass or short pass, of input light and offers flat transmission in passband with unprecedented low insertion loss and polarization dependent loss (PDL). Precise tuning mechanism enables filters to provide high wavelength resolution and excellent wavelength repeatability.

Both of manual and electric version filters are available over X-, O-, S-, C-, & L-bands. Wavelength-tuning is actuated by either a precise micrometer driver or a built-in micro motor connected to a PC through a USB (I²C or SPI) interface in which actuation is monitored by a built-in encoder and controlled dynamically in a closed-loop. Motor control software is provided.


Bandpass Tuneable Filters

Bandpass Tuneable Filters

Key Features

  • Long-pass or short-pass type available
  • Unprecedented low insertion loss and polarization-dependent loss (PDL)
  • Sharp filter edge roll-off slop
  • Up to 120nm wavelength tuning range
  • Wavelength range available over X-, O-, S-, C- and L- bands
  • High out-band suppression
  • High optical power handling
  • Manual or Electrical versions
1.5 micron Fibre Amplifiers Pulsed

Bandpass Tuneable Filters


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