Spectroscopy and diode-pumped continuous-wave laser operation of Tm:Y2O3 transparent ceramic at cryogenic temperatures

被引：15

作者：

Yue, Fangxin ^{[1
,2
,3
]}

Jambunathan, Venkatesan ^{[1
]}

Paul David, Samuel ^{[1
]}

Mateos, Xavier ^{[2
]}

Aguilo, Magdalena ^{[2
]}

Diaz, Francesc ^{[2
]}

Sulc, Jan ^{[3
]}

Lucianetti, Antonio ^{[1
]}

Mocek, Tomas ^{[1
]}

机构：

[1] Czech Acad Sci, HiLASE Ctr, Inst Phys, Radnici 828, Dolni Brezany 25241, Czech Republic

[2] Univ Rovira & Virgili, Fis Cristallog Mat & Nanomat FiCMA FiCNA, Campus Sescelades,C Marcelli Domingo S-N, E-43007 Tarragona, Spain

[3] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Brehova 7, Prague 11519, Czech Republic

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2020年 / 126卷 / 03期

关键词：

Y2O3;

D O I：

10.1007/s00340-020-7385-7

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present the spectroscopic and laser characteristics of a 3 at.% Tm:Y2O3 transparent ceramic at cryogenic temperatures. An absorption cross section of 4.7 x 10(-21) cm(2) with a bandwidth of 0.7 nm centered at 793.3 nm and an emission cross section of 29.0 x 10(-21) cm(2) centered at 1930.9 nm were estimated at 80 K. Continuous-wave laser operation was achieved using broadband and VBG stabilized laser diodes emitting around 793 nm as pump sources. With the VBG pump diode, a maximum output power of 6.4 W was achieved at 80 K corresponding to a slope efficiency of 52.0% with respect to absorbed power.

引用

页数：8

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