Continuous-Sweep Tunable Laser Programming
Publication Number: 5992-1125EN
Publication Date: 2017.12.01
Language: English
Application Notes

Continuous-Sweep Tunable Laser Programming

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The Keysight Technologies 8160x-series and 819x0-series tunable laser instruments are designed especially for making fast high-resolution spectral measurements by sweeping the output signal wavelength at a fixed speed, synchronized with detection instruments like optical power meters. The laser measures and logs the wavelength values during the sweep with a chosen interval and outputs electrical output triggers to synchronize detection sampling. The resulting arrays of wavelength and detected signal samples provide a spectrum showing the wavelength dependence of the device under test (DUT). Multiple detection channels can record signals at the same time for parallel measurements of multiple devices or devices with multiple output ports. Typical fiberoptic components measured this way include wavelength filters and multiplexers as well as wavelength selective switches.