Nonlinear optical characterization of single β-barium-borate nanocrystals using second-harmonic confocal microscopy

Rodrigo G. dos Santos; Lauro J. Q. Maia; Cid B. de Araújo; Leonardo de S. Menezes

doi:10.3788/COL201816.041902

Journals >Chinese Optics Letters >Volume 16 >Issue 4 >Page 041902 > Article

Chinese Optics Letters
Vol. 16, Issue 4, 041902 (2018)

Nonlinear optical characterization of single

β

-barium-borate nanocrystals using second-harmonic confocal microscopy

Rodrigo G. dos Santos¹, Lauro J. Q. Maia², Cid B. de Araújo¹, and Leonardo de S. Menezes^1、*

Author Affiliations

¹Departamento de Física, Universidade Federal de Pernambuco, Recife-PE 50670-901, Brazil

²Instituto de Física, Universidade Federal de Goiás, Goiânia-GO 74001-970, Brazil

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DOI: 10.3788/COL201816.041902 Cite this Article Set citation alerts

Rodrigo G. dos Santos, Lauro J. Q. Maia, Cid B. de Araújo, Leonardo de S. Menezes. Nonlinear optical characterization of single

β

-barium-borate nanocrystals using second-harmonic confocal microscopy[J]. Chinese Optics Letters, 2018, 16(4): 041902 Copy Citation Text

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(a) TEM image of a typical needle-shaped β-BBO NC (scale bar = 100 nm). (b) HR-TEM image of an individual needle showing two nanocrystallites, marked by round curves (scale bar = 10 nm).

Fig. 1. (a) TEM image of a typical needle-shaped β-BBO NC (scale bar = 100 nm). (b) HR-TEM image of an individual needle showing two nanocrystallites, marked by round curves (scale bar = 10 nm).

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Fig. 2. Raster scan images. (a) Single emitter recorded without using a spatial filter; (b) CM (10 μm pinhole).

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Fig. 3. (a) Spectrum of the observed SH emission (inset: spectrum of the excitation laser). (b) SH signal dependence on the excitation laser average power.

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Fig. 4. Polarization response characterized by (θ0, ϕ0) for some single nanoparticles (approximated lengths: 800 nm). From (a) to (d) the NC’s c-axis orientations are (78°, 76°), (87°, 88°), (73°, 87°), and (79°, 64°). The straight lines represent the directions of the NC’s c-axis.

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