Abstract
A tunable intracavity fiber laser has been widely used for gas sensing. In order to design a better performance sensor by use of this tunable intracavity fiber laser, the influence factors, including output power such as pump power, intracavity loss, output splitting ratio, and emission wavelength, are investigated based on a theoretical model using the propagation equation. The tunable intracavity fiber laser is set up, and the effects of pump power, intracavity loss, output splitting ratio, and emission wavelength are measured. The experimental results indicate that the theoretical analysis is in good agreement with the experimental measurements; in the process of designing the sensor, the intracavity loss and splitting ratio should be given more attention.
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