Advanced collinear LiNbO<sub>3</sub>acousto-optical filter for astrophysical spectroscopy in the near-ultraviolet: exploring high-spectral resolution

Shcherbakov, Alexandre S.; Arellanes, Adán Omar; Bertone, E.

doi:10.1117/1.jatis.1.4.045002

Cited by 7 publications

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“…LiNbO 3 , as an important nonlinear material, has high second-order susceptibility coefficients, which can be widely used in electro-optical modulator [32][33][34][35] and phase modulator [36][37][38][39] devices, and in acoustic filters [40,41]. However, little attentions has been paid to the scattering properties of the LiNbO 3 nanoparticle.…”

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confidence: 99%

Substrate-Modulated Electric and Magnetic Resonances of Lithium Niobite Nanoparticles Illuminated by White Light

Peng

2022

Nanomaterials

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The manipulation of light at the nanoscale is important for nanophotonic research. Lithium niobite (LiNbO3), as an ideal building block for metamaterials, has attracted great interest for its unique properties in the field of nonlinear optics. In this paper, we numerically studied the effect of different substrates on the optical resonances of a LiNbO3 nanoparticle. The results show that the electric and magnetic resonances of such a system can be effectively adjusted by changing the substrate. Compared to the impact of dielectric substrate, the interaction between the LiNbO3 nanoparticle and the Au film shows a fascinating phenomenon that a sharp resonance peak appears. The multipole decomposition of the scattering spectrum shows that the size, shape of the LiNbO3 nanoparticle, and the thickness of the SiO2 film between the particle and the Au film have a significant impact on the electromagnetic resonance of the LiNbO3 nanoparticle. This work provides a new insight into LiNbO3 nanoparticles, which may have potential use in the design of dielectric nanomaterials and devices.

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Section: Introductionmentioning

confidence: 99%

Substrate-Modulated Electric and Magnetic Resonances of Lithium Niobite Nanoparticles Illuminated by White Light

Peng

2022

Nanomaterials

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Calomel-made crystalline acousto-optical cell designed for an advanced regime of noncollinear two-phonon light scattering

Shcherbakov

Arellanes

2016

Opt. Eng

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Calomel-made crystalline acousto-optical cell designed for an advanced regime of noncollinear two-phonon light scattering," Opt. Eng. 55(3), 037107 (2016), Abstract. We study the potentials of a wide-aperture crystalline calomel-made acousto-optical cell. Characterizing this cell is nontrivial due to the chosen regime based on an advanced noncollinear two-phonon light scattering. Recently revealed important features of this phenomenon are essentially exploited in the cell and are investigated in more detail. These features can be observed more easily and simply in tetragonal crystals, e.g., calomel, exhibiting specific acousto-optical nonlinearity caused by the acoustic waves of finite amplitude. This parametric nonlinearity manifests itself at low acoustic powers in calomel possessing linear acoustic attenuation. The formerly identified additional degree of freedom, unique to this regime, is exploited for designing the cell with an eye to doubling the resolution due to two-phonon processes. We clarify the role of varying the central acoustic frequency and acoustic attenuation using that degree of freedom. Then the efficiency of calomel is exploited to expand the cell's bandwidth with a cost of its efficiency. Proof-of-principle experiments confirm the developed approaches and illustrate their applicability to innovative techniques of optical spectrum analysis with the improved resolution. The achieved spectral resolution of 0.205 Å at 405 nm and the resolving power 19,800 are the best for acousto-optical spectrometers dedicated to space or airborne operations to date as far as we know. Downloaded From: http://opticalengineering.spiedigitallibrary.org/ on 06/25/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Optical Engineering 037107-2 March 2016 • Vol. 55(3) Shcherbakov and Arellanes: Calomel-made crystalline acousto-optical cell designed for an advanced regime. . . Downloaded From: http://opticalengineering.spiedigitallibrary.org/ on 06/25/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Shcherbakov and Arellanes: Calomel-made crystalline acousto-optical cell designed for an advanced regime. . . Downloaded From: http://opticalengineering.spiedigitallibrary.org/ on 06/25/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Optical Engineering 037107-12 March 2016 • Vol. 55(3) Shcherbakov and Arellanes: Calomel-made crystalline acousto-optical cell designed for an advanced regime. . . Downloaded From: http://opticalengineering.spiedigitallibrary.org/ on 06/25/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx

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Studying the back-scattering of light for the development of acousto-optical filter with an improved spectral resolution

2016

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Advanced collinear LiNbO₃acousto-optical filter for astrophysical spectroscopy in the near-ultraviolet: exploring high-spectral resolution

Cited by 7 publications

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Substrate-Modulated Electric and Magnetic Resonances of Lithium Niobite Nanoparticles Illuminated by White Light

Substrate-Modulated Electric and Magnetic Resonances of Lithium Niobite Nanoparticles Illuminated by White Light

Calomel-made crystalline acousto-optical cell designed for an advanced regime of noncollinear two-phonon light scattering

Studying the back-scattering of light for the development of acousto-optical filter with an improved spectral resolution

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Advanced collinear LiNbO3acousto-optical filter for astrophysical spectroscopy in the near-ultraviolet: exploring high-spectral resolution

Cited by 7 publications

References 0 publications

Substrate-Modulated Electric and Magnetic Resonances of Lithium Niobite Nanoparticles Illuminated by White Light

Substrate-Modulated Electric and Magnetic Resonances of Lithium Niobite Nanoparticles Illuminated by White Light

Calomel-made crystalline acousto-optical cell designed for an advanced regime of noncollinear two-phonon light scattering

Studying the back-scattering of light for the development of acousto-optical filter with an improved spectral resolution

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Product

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About

Advanced collinear LiNbO₃acousto-optical filter for astrophysical spectroscopy in the near-ultraviolet: exploring high-spectral resolution