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Photorefractivity of Hafnium-doped congruent lithium–niobate crystals
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10.1063/1.1895478
/content/aip/journal/apl/86/13/10.1063/1.1895478
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/13/10.1063/1.1895478

Figures

Image of FIG. 1.
FIG. 1.

Light-induced birefringence change plotted as a function of irradiation time by using an intensity of at , for the 5 mol % -doped congruent LN crystal. The green beam is switched on at , off at , on at , and so on.

Image of FIG. 2.
FIG. 2.

Saturation value and photoconductivity vs concentration for congruent LN crystals, measured at a 532 nm beam intensity of .

Image of FIG. 3.
FIG. 3.

(a) Measured birefringence transients for the 4 mol % -doped congruent LN crystal. (b) Photorefraction transient, obtained as the difference between the two transients of (a), together with the exponential fit (full curve).

Image of FIG. 4.
FIG. 4.

Change of birefringence due to the thermal effect plotted as a function of the green-beam intensity. The full curve represents a fit with a quadratic function.

Tables

Generic image for table
Table I.

Photorefractive parameters of pure and doped LN crystals of congruent and stoichiometric composition for a light intensity of .

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/content/aip/journal/apl/86/13/10.1063/1.1895478
2005-03-23
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Photorefractivity of Hafnium-doped congruent lithium–niobate crystals
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/13/10.1063/1.1895478
10.1063/1.1895478
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