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Abbreviated Journal Title

Appl. Phys. Lett.

Keywords

Upconversion; Physics; Applied

Abstract

We report room-temperature pulsed up-conversion laser oscillation in Er-doped LiYF4 and KYF4 at 551 and 562 nm, respectively. In both crystals laser oscillation is observed on the S-4(3/2)-I-4(15/2) ground state transition. Excitation was provided by a tunable flashlamp-pumped Ti:sapphire laser in the spectral region around 810 nm. Additional pumping with a continuous wave krypton ion laser at 647 nm was beneficial to both lasers. Laser action has also been observed in Er-doped Y3Al5O12 on the same transition.

Journal Title

Applied Physics Letters

Volume

63

Issue/Number

15

Publication Date

1-1-1993

Document Type

Article

Language

English

First Page

2030

Last Page

2031

WOS Identifier

WOS:A1993MA97700006

ISSN

0003-6951

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