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Unformatted text preview: 1 Î¶ â„“ fraction of total power z = â„“ ( 29 1/2 1 2 1 eff 1 2 (0) n n c d A = = â„“ distance over which fields exchange energy Estimate value for for typical system with power and spot size Assume optimal focusing, i.e. spot size chosen so that depth of focal region is equal to the length Then 2 1 1 0 1 2 2 P I n cA w Îµ Ï€ = = Î¶ P w w b L 2 1 1 2 w n b L Î» â‰¡ = 1/2 2 2 w 2 w NLO crystal and which for typical values 1 P A c L = 1/2 2 2 eff 3 1 2 1 16 d LP z cn n = = â„“ 12 6 eff 4 10 1 cm =1 W 0.5 10 m =2 m V d L P n= Ã— = = Ã— 0.14 z = = â„“ b L =...
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This note was uploaded on 01/10/2011 for the course ECE 615 taught by Professor Shalaev during the Fall '10 term at Purdue.
 Fall '10
 Shalaev

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