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Consider a longitudinal cavity with a gain medium.

Assuming knowledge of the geometry of the cavity (i.e. its length) and the free spectral range of the modes, as well as the frequency of the light that it emits, is there a quick and easy way to calculate the FWHM (full width half max) of the gain profile?

Consider a longitudinal cavity with a gain medium.

Assuming knowledge of the geometry of the cavity (i.e. its length) and the free spectral range of the modes, as well as the frequency of the light that it emits, is there a quick and easy way to calculate the FWHM of the gain profile?

Consider a longitudinal cavity with a gain medium.

Assuming knowledge of the geometry of the cavity (i.e. its length) and the free spectral range of the modes, as well as the frequency of the light that it emits, is there a quick and easy way to calculate the FWHM (full width half max) of the gain profile?

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ODP
ODP
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How can you work out the FWHM of the gain profile for a longitudinal laser cavity?

Consider a longitudinal cavity with a gain medium.

Assuming knowledge of the geometry of the cavity (i.e. its length) and the free spectral range of the modes, as well as the frequency of the light that it emits, is there a quick and easy way to calculate the FWHM of the gain profile?