B. N. Shivakiran Bhaktha

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We present an optofluidic reservoir with a two-dimensional grating for a lab-on-a-chip volume refractive index sensor. The observed diffraction pattern from the device resembles the analytically obtained fringe pattern. The change in the diffraction pattern has been monitored in the far-field for fluids with different refractive indices. Reliable(More)
We have designed a promising optofluidic laser device based on a microfluidic structured channel filled with an ethanolic dye solution. We report random laser emission attributed to the inherent randomness of the structure. The systematic study of the emission dependence on various pump laser parameters reveals fundamental aspects as well as potential(More)
Angle-dependent emission from a dye infiltrated 2-D on-average periodic structured optofluidic random laser is studied. Distinct signatures of periodicity and randomness are observed in the angle-resolved emission spectra of the device. Emission patterns composed of concentric ellipses are observed on transverse excitation of the device, attributed to the(More)
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