Supercontinuum Generation in Cr-Doped Bulk SrTiO 3

A. G. Shmelev; D. K. Zharkov; A. V. Leontyev; V. G. Nikiforov; V. S. Lobkov

doi:10.3103/S1062873819050447

Supercontinuum Generation in Cr-Doped Bulk SrTiO₃

Authors: Shmelev A.G.¹, Zharkov D.K.¹, Leontyev A.V.¹, Nikiforov V.G.¹, Lobkov V.S.¹
Affiliations:
1. Zavoisky Physicotechnical Institute, Russian Academy of Sciences
Issue: Vol 83, No 10 (2019)
Pages: 1300-1301
Section: Article
URL: https://journals.rcsi.science/1062-8738/article/view/187562
DOI: https://doi.org/10.3103/S1062873819050447
ID: 187562

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Abstract

Bulk SrTiO₃ doped by 40 keV Cr⁺ ions and substrate temperature T_imp = 600°C is studied. This sample exhibits supercontinuum generation by amplified femtosecond laser pulses (λ = 800 nm; repetition rate, 3 kHz; pulse duration, 150 fs; pulse energy 4 µJ), recorded by a monochromator with a PMT. The blue edges of the supercontinuum spectra differ, depending on the location of the focused laser beam spot on the sample.