1 December 2017 Formation of 2D bright spatial solitons in lithium niobate with photovoltaic response and incoherent background
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Proceedings Volume 10603, Photonics, Devices, and Systems VII; 106030T (2017) https://doi.org/10.1117/12.2292322
Event: Photonics Prague 2017, 2017, Prague, Czech Republic
Abstract
The influence of incoherent background illumination produced by light-emitting diodes (LED´s) of different average wavelengths and laser diode emitting in blue region of visible on diffraction characteristics of narrow coherent light beams of He-Ne laser due to refractive index changes of Fe-doped lithium niobate sample are studied. It has been experimentally demonstrated that nonlinear diffraction of red beams with wavelength 633 nm and diameters on full width of half maximum (FWHM) near to 15 μm may be totally compensated using background light with average wavelengths 450 – 465 nm. To provide the necessary intensity of incoherent background, the combinations of spherical and cylindrical concave lenses with blue LED and laser diode module without focusing its beam have been used.
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A. Pustozerov, A. Pustozerov, V. Shandarov, V. Shandarov, } "Formation of 2D bright spatial solitons in lithium niobate with photovoltaic response and incoherent background", Proc. SPIE 10603, Photonics, Devices, and Systems VII, 106030T (1 December 2017); doi: 10.1117/12.2292322; https://doi.org/10.1117/12.2292322
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