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TSL-570 | High Performance Tunable Laser

Santec’s all new TSL-570 capitalizes on Santec’s 33 years’ experience in tunable laser manufacture. The TSL-570 is a high performance tunable laser with a wide tuning range and an output combining high power and high signal-to-noise ratio. It uses a new optical cavity design with precise speed control up to 200 nm/s and sub-picometer resolution and accuracy.

Tunable lasers are used extensively in photonics; for optical component characterization, photonic integrated circuit testing, quantum photonics, spectroscopy and sensors. Santec’s TSL-570 is a high specification, full feature instrument suitable for all applications. It has a simple to use touch panel display as well as Ethernet, GPIB and USB interfaces for remote control. A Wake-on-LAN (WoL) feature provides convenience for remote installations. Models are available to cover from 1240 to 1680 nm with output powers up to 20 mW.

A new sealed laser cavity is mode-hop-free and provides a stable output at every wavelength. It has 0.1 pm resolution, sub-pm accuracy and a market leading, 90 dB/0.1 nm, ultra-low level of spontaneous source emission. The TSL-570 integrates seamlessly with Santec’s optical power meters (MPM series), optical switches (OSU series) and polarization controllers (PCU series) creating benchmark, turn-key solutions for wavelength dependent loss (WDL) and polarization dependent loss (PDL) measurements (Swept Test System).

More Info


  • Optical characterization of components and modules:
  • Tunable Filters, Interleavers, Fiber Bragg Gratings, Couplers, Splitters, Isolators, Switches, etc
  • WSS and Wavelength Blockers
  • DWDM components
  • Silicon photonic waveguide characterization, including micro-cavity ring resonators
  • Spectroscopy
  • Interferometry

Key Features

  • 200 nm/s Rapid Sweep
  • Excellent Accuracy (+/- 2 pm) & Resolution (0.1 pm)
  • Sealed cavity ensures stability for every wavelength
  • Wide Variety of Wavelength Options from 1240 to 1680 nm
  • Fine tuning scan range 10 GHz

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