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Bragg thickness criterion for intracavity diffraction gratings

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Academic year: 2021

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Fig. 2. Phase matching. The forward and backward wave vec- vec-tors of the read wave, k F and k B , and grating wave vector K are represented as well as all diffracted waves k F ⬘ and k B ⬘  (num-bered by their diffraction orders), according to the Raman –
Fig. 4. Logarithmic plot of diffraction efficiency I ⫺1 /I R of order
Fig. 5. Logarithmic plot of relative intensity I ⫺ 2 / I ⫺ 1 of order ⫺ 2 normalized to order ⫺ 1 versus interference order m for a bare grating (r 1 ⫽ 0) and for an intracavity grating (r 1 ⫽ 0.9).
Fig. 8. Logarithmic plot of relative intensity I 1 / I ⫺1 versus modified Q parameter Q FP ⫽ 关 2(1 ⫹ r 1 )/(1 ⫺ r 1 ) 兴 Q M for three reflection coefficient values (r 1 ⫽ 0.9, r 1 ⫽ 0.5 and r 1 ⫽ 0, the bare grating).
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