Electrically Tunable Optical Filters - Etalon-Based

  • Compact and Low Cost
  • Wide Tune Range
  • Wide Wavelength Coverage
  • Low IL and PDL

Click 'Spec Sheet' for available configurations/part#


Based on a proprietary thin film cavity filter technology, Photonwares offers Fiber Optic Tunable Filters with central wavelengths of 1060nm, 1310nm, 1550nm and 2000nm. It is tunable continuously over a wide spectral range up to 80 nm. The wavelength tuning is actuated by driving a built-in precise stepper motor through the interface of USB or RS232. Photonwares’s unique high reliability and low insertion loss design presents a most cost-effective solution for OEM applications from fiber-optic networks to fiber sensing interrogation.


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Fiber Optic Tunable Filter Min Typical Max Unit
Central Wavelength* 1060 1310 / 1550 2000 nm
Tuning Range 50 80 nm
Tuning Resolution 0.1 nm
Tuning Speed 12 38 nm/s
Insertion Loss 2 3 4 dB
Bandwidth @-3dB 1 1.2 nm
Bandwidth @-20dB 10 nm
Extinction @ 10 nm Deviation 30 dB
PDL(SM Fiber Only) 0.15 0.35 dB
PMD(SM Fiber Only) 0.5 ps
Extinction Ratio(PM Fiber Only) 18 23 dB
Return Loss 40 dB
Optical Power Handling(CW) 500 mW
Electric Interface USB/RS232
Operating Temperature 0 20 60 °C
Operating Temperature -10 70 °C
Size 66L x 73W x 14H mm