Spectroscopic properties of Cr3+ ions in KTP single crystals

Efim V. Pestryakov; V. V. Petrov; A. G. Volkov; V. A. Maslov

doi:10.1117/12.475316

12 July 2002 Spectroscopic properties of Cr³⁺ions in KTP single crystals

Efim V. Pestryakov, V. V. Petrov, A. G. Volkov, V. A. Maslov

Proceedings Volume 4766, XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions; (2002) https://doi.org/10.1117/12.475316
Event: XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions, 2001, Kazan, Russian Federation

Abstract

The possibility of creation of self-frequency doubling laser crystal based on crystal KTP doped with chromium ions is investigated. The spectral properties of Cr³⁺ ions are researched. The magnitude of emission cross-section at the wavelength of 833 nm corresponding to the maximum of vibronic transition ⁴T₂-⁴A₂ of Cr³⁺ ion is estimated. The excited state lifetimes at room and liquid nitrogen temperatures are determined. The spectroscopic investigations show that impurity Cr³⁺ ions in KTP crystal are placed in positions with weak crystal field: Dq equals 1507 cm^-1, B equals 652 cm^-1, C equals 2800 cm^-1. The configuration diagram model with one excited state is discussed. The main features of fluorescence spectra and the expected laser emission in the near IR range form 700 to 1000 nm are considered.

Citation Download Citation

Efim V. Pestryakov, V. V. Petrov, A. G. Volkov, and V. A. Maslov "Spectroscopic properties of Cr³⁺ions in KTP single crystals", Proc. SPIE 4766, XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions, (12 July 2002); https://doi.org/10.1117/12.475316

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