Lasing threshold of one- and two-photon-pumped dye-doped silica powder

被引：4

作者：

Garcia-Ramiro, B. ^{[1
]}

Illarramendi, M. A. ^{[2
,3
]}

Garcia-Revilla, S. ^{[2
,3
,4
,5
]}

Balda, R. ^{[2
,3
,4
,5
]}

Levy, D. ^{[6
]}

Zayat, M. ^{[6
]}

Fernandez, J. ^{[2
,3
,4
,5
]}

机构：

[1] EU Ingn Tecn Ind Bilbao, Dept Matemat Aplicada, Bilbao 48013, Spain

[2] Univ Pais Vasco UPV EHU, Dept Fis Aplicada, Bilbao 48013, Spain

[3] Univ Pais Vasco UPV EHU, Escuela Super Ingn, Bilbao 48013, Spain

[4] UPV, EHU, CSIC, Ctr Phys Mat, San Sebastian 20080, Spain

[5] Donostia Int Phys Ctr, San Sebastian 20080, Spain

[6] CSIC Cantoblanco, ICMM, Madrid 28049, Spain

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2014年 / 117卷 / 04期

关键词：

RANDOM LASERS; EXCITATION; MEDIA; EMISSION; GAIN;

D O I：

10.1007/s00340-014-5936-5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The random laser features around threshold in a ground powder of a silica gel containing Rhodamine 6G-doped silica nanoparticles under one- and two-photon excitation are analyzed. The lasing threshold following two-photon pumping is fifty times higher than after one-photon excitation. Theoretical calculations by using a light diffusive propagation model are in agreement with the experimental results.

引用

页码：1135 / 1140

页数：6

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