Nonlinear refractive indices in Yb3+-doped and undoped monoclinic double tungstates KRE(WO4)(2) where RE=Gd, Y, Yb, Lu
2009 (English)In: Applied physics. B, Lasers and optics (Print), ISSN 0946-2171, E-ISSN 1432-0649, Vol. 96, no 2-3, 385-392 p.Article in journal (Refereed) Published
The linear absorption bandgap in the ultraviolet and the nonlinear index n (2) in near infrared were systematically measured in undoped and Yb3+-doped top-seeded solution-grown monoclinic double-tungstate KRE(WO4)(2) (RE=Gd, Y, Yb, Lu) crystals. Anisotropic n (2) nonlinear indices have been determined for EaEuro-N (m) and EaEuro-N (p) polarizations with the maximum nonlinear index n (2) observed for the light polarized EaEuro-N (m). Moreover, the value of the nonlinear response of particular crystals in this family is proportional to the ionic radius of the RE3+ ion.
Place, publisher, year, edition, pages
2009. Vol. 96, no 2-3, 385-392 p.
single-crystals, laser crystals, continuous-wave, diode bars, kyw, laser, kgw laser, z-scan, growth, polarizability, klu(wo4)(2)
IdentifiersURN: urn:nbn:se:kth:diva-18594DOI: 10.1007/s00340-009-3487-yISI: 000267885000023ScopusID: 2-s2.0-67650809908OAI: oai:DiVA.org:kth-18594DiVA: diva2:336641
QC 201005252010-08-052010-08-052014-12-03Bibliographically approved