Broadband and fine-structured luminescence in diamond facilitated by femtosecond laser driven electron impact and injection of 'vacancy-interstitial' pairs

Kudryashov S. I; Khmelnitskii R. A.; Danilov P. A.; Smirnov N. A.; Levchenko A. O.; Kovalchuk O. E.; Uspenskaya M. V; Oleynichuk E. A.; Kovalev M. S.

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Broadband and fine-structured luminescence in diamond facilitated by femtosecond laser driven electron impact and injection of 'vacancy-interstitial' pairs

机译：钻石中的宽带和细结构发光促进了飞秒激光驱动的电子撞击和注射“空缺 - 间质性”对

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Ultrafast heating of photoionized free electrons by high-numerical-aperture (0.25-0.65) focused visible-range ultrashort laser pulses provides their resonant impact trapping into intra-gap electronic states of point defect centers in a natural IaA/B diamond with a high concentration of poorly aggregated nitrogen impurity atoms. This excites fine-structured, broadband (UV-near-infrared) polychromatic luminescence of the centers over the entire bandgap. The observed luminescence spectra revealed substitutional nitrogen interaction with non-equilibrium intrinsic carbon vacancies, produced simultaneously as Frenkel "vacancy-interstitial" pairs during the laser exposure. (C) 2021 Optical Society of America

机译：高数值孔径（0.25-0.65）聚焦可见光超短激光脉冲对光离子化自由电子进行超快加热，使其共振冲击俘获到天然IaA/B金刚石中点缺陷中心的隙内电子态中，该金刚石中含有高浓度的低聚集氮杂质原子。这激发了整个带隙中心的精细结构、宽带（紫外-近红外）多色发光。观察到的发光光谱显示，置换氮与非平衡本征碳空位相互作用，在激光曝光过程中同时产生Frenkel“空位-间隙”对。（2021）美国光学学会

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《Optics Letters》 |2021年第6期|共4页
作者
Kudryashov S. I; Khmelnitskii R. A.; Danilov P. A.; Smirnov N. A.; Levchenko A. O.; Kovalchuk O. E.; Uspenskaya M. V; Oleynichuk E. A.; Kovalev M. S.;
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Lebedev Phys Inst Moscow 119991 Russia;

Lebedev Phys Inst Moscow 119991 Russia;

Lebedev Phys Inst Moscow 119991 Russia;

Lebedev Phys Inst Moscow 119991 Russia;

Lebedev Phys Inst Moscow 119991 Russia;

PJSC ALROSA Res Geol Enterprise NIGP Mirny 678174 Russia;

PJSC ALROSA Res Geol Enterprise NIGP Mirny 678174 Russia;

Natl Res Nucl Univ MEPhI Moscow 115409 Russia;

Lebedev Phys Inst Moscow 119991 Russia;

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正文语种 eng
中图分类计量学;光学;
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Broadband and fine-structured luminescence in diamond facilitated by femtosecond laser driven electron impact and injection of 'vacancy-interstitial' pairs

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