نتایج جستجو برای: brillouin scattering
تعداد نتایج: 116701 فیلتر نتایج به سال:
In this paper, we examine and suppress the effects of stimulated Brillouin scattering on the phase noise of a 10 GHz signal transmitted over an RF-photonic link. We demonstrate the appearance of interference peaks in the RF phase noise of a microwave signal transmitted through a 10 km optical fiber link. We attribute these peaks to double Brillouin scattering using a reduced model. We determine...
چکیده ندارد.
Brillouin scattering in optical fibres is a fundamental interaction between light and sound with important implications ranging from optical sensors to slow and fast light. In usual optical fibres, light both excites and feels shear and longitudinal bulk elastic waves, giving rise to forward-guided acoustic wave Brillouin scattering and backward-stimulated Brillouin scattering. In a subwaveleng...
Brillouin scattering has been verified to be an effective mechanism in temperature and strain sensing. This kind of sensors can be applied to civil structural monitoring of pipelines, railroads, and other industries for disaster prevention. This thesis first presents a novel fiber sensing scheme for long-span fully-distributed pressure measurement based on Brillouin scattering in a side-hole fi...
Complete experimental characterization of stimulated Brillouin scattering in photonic crystal fiber.
We provide a complete experimental characterization of stimulated Brillouin scattering in a 160 m long solid-core photonic crystal fiber, including threshold and spectrum measurements as well as position-resolved mapping of the Brillouin frequency shift. In particular, a three-fold increase of the Brillouin threshold power is observed, in excellent agreement with the spectrally-broadened Brillo...
Distributed curvature and shape sensing using Brillouin scattering in multi-core fiber (MCF) is presented for the first time to the best of our knowledge, by exploiting bend-dependent Brillouin frequency shift (BFS) in off-center cores. OCIS codes: (060.2310) Fiber optics; (290.5830) Scattering, Brillouin; (060.2370) Fiber optics sensors.
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