29.01.2015 Views

SHG - Forum 2009

SHG - Forum 2009

SHG - Forum 2009

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Accord de Phase<br />

Sans précautions particulières quant à<br />

la direction de propagation, polarisation, …<br />

l’intensité harmonique obtenue en sortie reste faible<br />

∆k = 4π(n Ω -n ω )/λ<br />

Franges de Maker<br />

Accord de phase<br />

I <strong>SHG</strong><br />

∝<br />

χ<br />

(2)<br />

2<br />

2 2<br />

L I<br />

On utilise les propriétés de biréfringence du matériau :<br />

Existence de deux indices optiques dont l’un variant avec la<br />

direction de propagation

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!