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Can I eliminate coherence effects due to the narrow linewidth?

April 26, 2017coherence Eliminate linewidth narrow

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Can I eliminate coherence effects due to the narrow linewidth?

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If you’re working with unterminated fibers, you may be concerned about possible coherence effects due to the narrow linewidth. For most measurements, a simple way to make the linewidth appear much broader is to apply a signal to the piezo in order to frequency modulate the laser.