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1988•Applied Physics LettersRequires access

1.06–0.53 μm second harmonic generation using congruent lithium niobate

E. O. Ammann, S. Guch

Open publisher page 13 citations

Abstract

Efficient 1.06–0.53 μm second harmonic generation (SHG) has been achieved using congruent lithium niobate. Index inhomogeneities are induced in the lithium niobate, but saturate in the vicinity of the beam thereby allowing efficient SHG to occur. SHG conversion efficiencies of 50% were typically achieved with crystal lengths as short as 9 mm and fundamental power densities of 35 MW/cm2.

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What this paper is about

Efficient 1.06–0.53 μm second harmonic generation (SHG) has been achieved using congruent lithium niobate. Index inhomogeneities are induced in the lithium niobate, but saturate in the vicinity of the beam thereby allowing efficient SHG to occur. SHG conversion efficiencies of 50% were typically achieved with crystal lengths as short as 9 mm and fundamental power densities of 35 MW/cm2.

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Available abstract

Efficient 1.06–0.53 μm second harmonic generation (SHG) has been achieved using congruent lithium niobate. Index inhomogeneities are induced in the lithium niobate, but saturate in the vicinity of the beam thereby allowing efficient SHG to occur. SHG conversion efficiencies of 50% were typically achieved with crystal lengths as short as 9 mm and fundamental power densities of 35 MW/cm2.

Key concepts: Lithium niobate, Second-harmonic generation, Materials science, Nonlinear optics, Optics, Surface second harmonic generation, Crystal (programming language), Second-harmonic imaging microscopy

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