Articles | Volume 11, issue 1
J. Sens. Sens. Syst., 11, 161–169, 2022
https://doi.org/10.5194/jsss-11-161-2022

Special issue: Sensors and Measurement Science International SMSI 2021

J. Sens. Sens. Syst., 11, 161–169, 2022
https://doi.org/10.5194/jsss-11-161-2022
Regular research article
15 Jun 2022
Regular research article | 15 Jun 2022

Precise characterization of VCSEL in the 1550 nm band having a wavelength tuning range of 12 nm within 10 µs as light sources for fast sensor systems

Roman Kruglov et al.

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Short summary
Gas analysis by absorption spectroscopy helps to optimize combustion processes in engines. Optical distance sensors are non-contact and offer high accuracy and precision. Both sensor applications benefit from light sources with a rapidly swept wavelength to monitor dynamic processes. In our paper, we precisely characterize the dynamic wavelength sweep of a rapidly pulsed VCSEL (vertical cavity surface emitting laser), a tiny semiconductor laser well suited for optical sensing.