From near IR to terahertz photon emission in the LaF3 crystals heavily doped by Nd3+; the use of the Dicke and the Purcell effects
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- 作者：V.V. Hizhnyakova ; Yu.V. Orlovskiia ; b ; orlovski@lst.gpi.ru" class="auth_mail" title="E-mail the corresponding author ; yury.orlovskiy@ut.ee" class="auth_mail" title="E-mail the corresponding author
- 关键词：Nd3+ ; LaF3 ; Purcell effect ; Dicke effect ; Terahertz emission ; Femtosecond laser
- 刊名：Journal of Luminescence
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：181
- 期：Complete
- 页码：88-90
- 全文大小：291 K
文摘
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Heavily doped Nd3+:LaF3 crystal is considered for direct terahertz emission.
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The emission can be provided by Purcell and Dicke effects simultaneously.
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The enhancement factors for NIR and terahertz emission are estimated.
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Comparison of radiative and multiphonon relaxation rates is done.
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The energy of the required femtosecond laser pulse is estimated.