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1.4: Огляд лазерних основ
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\[E = \Re \{ E_0 e^{\tfrac{\omega}{c} n_g'' \ell_g} e^{j\omega t} e^{-j \tfrac{\omega}{c}(n_g' \ell_g + \ell_a)} \}, \nonumber \] \[E = \Re \{ r_1 r_2 e^{2\tfrac{\omega}{c} n_g'' \ell_g} E_0 e^{j\omeg...\[E = \Re \{ E_0 e^{\tfrac{\omega}{c} n_g'' \ell_g} e^{j\omega t} e^{-j \tfrac{\omega}{c}(n_g' \ell_g + \ell_a)} \}, \nonumber \] \[E = \Re \{ r_1 r_2 e^{2\tfrac{\omega}{c} n_g'' \ell_g} E_0 e^{j\omega t -j 2 \tfrac{\omega}{c} \ell} \} \Rightarrow r_1 r_2 e^{2 \tfrac{\omega}{c} n_g'' \ell_g} = 1, \nonumber \] \[A(z, t) = E_0 \dfrac{\sin [\tfrac{N \Delta \omega}{2} ( t - \tfrac{z}{c})]}{\sin [\tfrac{\Delta \omega}{2} ( t - \tfrac{z}{c})]} \nonumber \]