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What is the real linewidth of eagleyards DFB lasers?

April 26, 2017dfb Lasers linewidth

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What is the real linewidth of eagleyards DFB lasers?

1 Answer

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10 Posted

We specify a maximum linewidth of 10 MHz. In our lab we could measure linewidths between 2 to 4 MHz. This measurement was limited by the influence of the laser driver and vibration of the building. Some of our customers have the ability to perform the measurement with higher accuracy. They reported linewidths below 1 MHz.