Resonance-enhanced two-photon sum-frequency generation in NiO and KNiF 3

Takuya Satoh; Thomas Lottermoser; Manfred Fiebig

doi:10.1007/s00340-004-1615-2

Resonance-enhanced two-photon sum-frequency generation in NiO and KNiF ₃

Takuya Satoh, Thomas Lottermoser, Manfred Fiebig

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Resonance-enhanced sum-frequency generation is introduced as a novel tool for investigation of magnetically ordered compounds. A tunable laser at frequency ω₁ is used to excite an intermediate electronic transition resonantly while a second laser at frequency ω₂ is used to scan the nonlinear spectrum at ω₁ + ω ₂. The technique is particularly useful for investigation of centrosymmetric compounds since resonance enhancement at ω₁ leads to large nonlinear signals even in the case of weakly allowed nonlinear processes. The technique is demonstrated on antiferromagnetic NiO and KNiF ₃ and also shown to be useful for investigation of samples with large thickness or absorption.

Original language	English
Pages (from-to)	701-706
Number of pages	6
Journal	Applied Physics B: Lasers and Optics
Volume	79
Issue number	6
DOIs	https://doi.org/10.1007/s00340-004-1615-2
Publication status	Published - Oct 1 2004
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)
Physics and Astronomy(all)

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10.1007/s00340-004-1615-2

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abstract = "Resonance-enhanced sum-frequency generation is introduced as a novel tool for investigation of magnetically ordered compounds. A tunable laser at frequency ω1 is used to excite an intermediate electronic transition resonantly while a second laser at frequency ω2 is used to scan the nonlinear spectrum at ω1 + ω 2. The technique is particularly useful for investigation of centrosymmetric compounds since resonance enhancement at ω1 leads to large nonlinear signals even in the case of weakly allowed nonlinear processes. The technique is demonstrated on antiferromagnetic NiO and KNiF 3 and also shown to be useful for investigation of samples with large thickness or absorption.",

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AB - Resonance-enhanced sum-frequency generation is introduced as a novel tool for investigation of magnetically ordered compounds. A tunable laser at frequency ω1 is used to excite an intermediate electronic transition resonantly while a second laser at frequency ω2 is used to scan the nonlinear spectrum at ω1 + ω 2. The technique is particularly useful for investigation of centrosymmetric compounds since resonance enhancement at ω1 leads to large nonlinear signals even in the case of weakly allowed nonlinear processes. The technique is demonstrated on antiferromagnetic NiO and KNiF 3 and also shown to be useful for investigation of samples with large thickness or absorption.

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Resonance-enhanced two-photon sum-frequency generation in NiO and KNiF ₃

Abstract

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