Santec Tunable Laser TSL-570

Santec TSL-570 is a high-precision, tunable laser light source, mainly for optical communication testing, optical sensing and scientific research experiments. Its core advantages are wide tuning range, high wavelength accuracy and excellent output stability, suitable for application scenarios with strict requirements on spectral performance.

1. Core functions

(1) Wide wavelength tuning range

Tuning range: 1260 nm ~ 1630 nm (covering communication bands such as O, E, S, C, L).

Resolution: 0.1 pm (picometer level), supports fine wavelength scanning.

(2) High output power & stability

Output power: up to 20 mW (adjustable), meeting the needs of long-distance optical fiber testing.

Power stability: ±0.01 dB (short term), ensuring the reliability of test data.

(3) Flexible modulation method

Direct modulation: supports analog/digital modulation (bandwidth up to 100 MHz).

External modulation: Can be used with LiNbO₃ modulator to realize high-speed optical communication experiments.

(4) High-precision wavelength control

Built-in wavelength meter, real-time wavelength calibration, accuracy ±1 pm.

Support external triggering, synchronization with optical spectrum analyzer (OSA), optical power meter and other equipment.

2. Main application areas

(1) Optical communication test

DWDM (dense wavelength division multiplexing) system test: accurate simulation of multi-wavelength channels.

Optical fiber device (such as filter, grating) characteristic analysis: high-resolution spectrum scanning.

(2) Optical sensing

FBG (fiber Bragg grating) sensor demodulation: high-precision wavelength offset detection.

Distributed fiber sensing (DTS/DAS): provides a stable light source.

(3) Scientific research experiments

Quantum optics: single photon source pumping, entangled state generation.

Nonlinear optical research: stimulated Raman scattering (SRS), four-wave mixing (FWM).

(4) LiDAR

Coherent detection: used for atmospheric composition analysis and distance measurement.

3. Technical parameters (typical values)

Parameters TSL-570

Wavelength range 1260 ~ 1630 nm

Tuning resolution 0.1 pm

Output power 0.1 ~ 20 mW

Wavelength accuracy ±1 pm

Power stability ±0.01 dB

Modulation bandwidth DC ~ 100 MHz

Interface GPIB/USB/LAN

4. Comparison with competitors (TSL-570 vs. other tunable lasers)

Features TSL-570 Keysight 81600B Yenista T100S

Tuning range 1260–1630 nm 1460–1640 nm 1500–1630 nm

Wavelength accuracy ±1 pm ±5 pm ±2 pm

Power stability ±0.01 dB ±0.02 dB ±0.015 dB

Modulation bandwidth 100 MHz 1 GHz (external modulation required) 10 MHz

Applicable scenarios Research/Sensing/Communication High-speed communication test High-precision spectroscopy

5. Summary of core advantages

Ultra-wide tuning range: covers O to L bands, compatible with a variety of fiber applications.

Ultra-high wavelength accuracy: ±1 pm, suitable for precision spectral analysis.

Excellent stability: power fluctuation <0.01 dB, reliable for long-term testing.

Flexible modulation: supports direct modulation (100 MHz), simplifying experimental configuration.

Typical users:

Optical communication R&D laboratory

Fiber optic sensing system manufacturer

Quantum technology research institution

University optical experimental platform