Manual Grating-Based Fiber Optic Tunable Filters

  • Extremely low insertion loss and PDL
  • Wide Tune Range
  • High off-band suppression
  • Uniform bandwidth
  • High tuning resolution
  • Compact and cost-effective

Click 'Spec Sheet' for all available configurations/part#


Photonwares’s Manual Grating-Based Fiber Optic Tunable Filter provides a simple way to adjust the center wavelength of narrow band over wide band. Wavelength tuning is achieved by rotating a grating using a micrometer.  Based on a proprietary optics, Photonwares offers extremely low insertion loss, high stability, polarization independent operation, and high off-band suppression. It is tunable continuously over a wide spectral range. The device presents a most cost-effective solution for OEM applications from fiber optic networks to fiber sensing interrogation.


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Parameter Min Typical Max  Unit
Wavelength Tuning Range  1060±15 1500±20  2000±20 nm
Tuning Resolution 0.02 nm
Insertion Loss1 1.1 1.6 dB
Bandwidth@-3dB 0.25 nm
Bandwidth@-20dB 0.75 nm
PDL(SM fiber only) 0.25 dB
Extinction ratio 20 dB
Off-Band Suppression 45 dB
PMD(SM Fiber only) 0.5 ps
Return Loss 40 dB
Optical Power Handling(CW) 500 mW
Opereating Temperature 0 20 60 oC
Storage Temperature -10 70 oC
Fiber Type SMF-28 / Panda-PM1550
Package Dimension 88 x 32 x 24mm



  1. Insertion Loss excluding connectors