Two-photon excited luminescence in POPOP under pulse-periodic laser excitation

被引：3

作者：

Sverbil, P. P. ^{[1
]}

Gorelik, V. S. ^{[1
,2
]}

Kupov, M. R. ^{[2
]}

Lepnev, L. S. ^{[1
]}

Savransky, V. V. ^{[3
]}

机构：

[1] Russian Acad Sci, Lebedev Phys Inst, Moscow 119991, Russia

[2] Bauman Moscow State Tech Univ, Moscow 105005, Russia

[3] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia

来源：

LASER PHYSICS | 2020年 / 30卷 / 02期

关键词：

two-photon excited luminescence; Raman scattering; laser; POPOP; CROSS-SECTIONS; FLUORESCENCE; ABSORPTION; CRYSTAL; ENERGY; CELLS;

D O I：

10.1088/1555-6611/ab5d29

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The spectra of two-photon-excited luminescence were registered in a polycrystalline aromatic compound POPOP. The two-photon luminescence in this substance was excited by the second optical harmonic of a solid-state neodymium-doped yttrium lithium fluoride laser (lambda = 527 nm) and a copper vapor laser (lambda = 510.6 nm). It is shown that the intensity of two-photon-excited luminescence depends nonlinearly on the intensity of an exciting radiation. It has been established that the intensity of the two-photon-excited luminescence is comparable to the intensity of Raman scattering under certain excitation conditions.

引用

页数：4

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