Hyperfine measurements of theD21−3H4transition inPr3+: Yttrium aluminum garnet using photon echo

1 August 1989

journal article
Published by American Physical Society (APS) in Physical Review B

Vol. 40 (4) , 2082-2089
https://doi.org/10.1103/physrevb.40.2082

Abstract

The hyperfine structure of the

{}^{1}D_{2}

-^{3}

H_{4}

transition of

\Pr^{3 +}

: yttrium aluminum garnet (YAG) is studied using a photon echo modulation technique. The Fourier transform of modulation data gives hyperfine frequencies of the

{}^{1}D_{2}

state as 3.42 and 5.96 MHz. The photon echo modulation is a very sensitive function of the atomic environment, and we find that the site symmetry of

\Pr^{3 +}

impurity ions in YAG is lowered to

C_{2}

from the

D_{2}

symmetry of

Y^{3 +}

ions.

Keywords

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