Preparation of inverted medium and processing in the inverted medium
Identifieur interne : 001657 ( Main/Merge ); précédent : 001656; suivant : 001658Preparation of inverted medium and processing in the inverted medium
Auteurs : Ijaz Zafarullah [États-Unis] ; MINGHZEN TIAN [États-Unis] ; TIEJUN CHANGE [États-Unis] ; W. Randall Babbitt [États-Unis]Source :
- Journal of luminescence [ 0022-2313 ] ; 2007.
Descripteurs français
- Pascal (Inist)
- Echo photon, Traitement signal, Traitement optique information, Amplification optique, Laser pulsé, Lidar, Optique quantique, Etude expérimentale, Fréquence optique, Composé ternaire, Grenat aluminium yttrium, Matériau optique, Matériau dopé, Matériau enregistrement, Addition thulium, Y3Al5O12, Al O Y, 4250M, 4279H, 4270L, YAG:Tm, Echo photon stimulé.
English descriptors
- KwdEn :
Abstract
The processing of weak optical signals in spatial-spectral holographic (SSH) materials coherently inverted with optical frequency chirped pulses were investigated. Simulations and experimental studies in Tm3+: YAG were conducted to characterize the parameters of the frequency chirped laser pulse used to invert the SSH material in order to obtain high photon echo efficiency for SSH lidar processing. Collinear and angled beam geometries and single shot and accumulated processes were investigated. Echo efficiencies as high as 450% were measured, significantly higher than the typical stimulated photon echo efficiency of 10%.
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Pascal:07-0361171Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Doped materials</term>
<term>Experimental study</term>
<term>Lidar</term>
<term>Optical amplification</term>
<term>Optical frequency</term>
<term>Optical information processing</term>
<term>Optical materials</term>
<term>Photon echo</term>
<term>Pulsed lasers</term>
<term>Quantum optics</term>
<term>Recording material</term>
<term>Signal processing</term>
<term>Stimulated photon echo</term>
<term>Ternary compounds</term>
<term>Thulium additions</term>
<term>YAG</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Echo photon</term>
<term>Traitement signal</term>
<term>Traitement optique information</term>
<term>Amplification optique</term>
<term>Laser pulsé</term>
<term>Lidar</term>
<term>Optique quantique</term>
<term>Etude expérimentale</term>
<term>Fréquence optique</term>
<term>Composé ternaire</term>
<term>Grenat aluminium yttrium</term>
<term>Matériau optique</term>
<term>Matériau dopé</term>
<term>Matériau enregistrement</term>
<term>Addition thulium</term>
<term>Y3Al5O12</term>
<term>Al O Y</term>
<term>4250M</term>
<term>4279H</term>
<term>4270L</term>
<term>YAG:Tm</term>
<term>Echo photon stimulé</term>
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<front><div type="abstract" xml:lang="en">The processing of weak optical signals in spatial-spectral holographic (SSH) materials coherently inverted with optical frequency chirped pulses were investigated. Simulations and experimental studies in Tm<sup>3+</sup>
: YAG were conducted to characterize the parameters of the frequency chirped laser pulse used to invert the SSH material in order to obtain high photon echo efficiency for SSH lidar processing. Collinear and angled beam geometries and single shot and accumulated processes were investigated. Echo efficiencies as high as 450% were measured, significantly higher than the typical stimulated photon echo efficiency of 10%.</div>
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