Optofluidic two-dimensional grating volume refractive index sensor
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 fl...
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| Veröffentlicht in: | Applied Optics 2016-09, Vol.55 (26), p.7247-7251 |
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| container_end_page | 7251 |
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| container_issue | 26 |
| container_start_page | 7247 |
| container_title | Applied Optics |
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| creator | Sarkar, Anirban Shivakiran Bhaktha, B N Khastgir, Sugata Pratik |
| description | 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 measurements of refractive index variations, with an accuracy of 6×10
refractive index units, for different fluids establishes the optofluidic device as a potential on-chip tool for monitoring dynamic refractive index changes. |
| doi_str_mv | 10.1364/AO.55.007247 |
| format | Article |
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| ispartof | Applied Optics, 2016-09, Vol.55 (26), p.7247-7251 |
| issn | 0003-6935 1559-128X 2155-3165 1539-4522 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1855364117 |
| source | Alma/SFX Local Collection; Optica Publishing Group Journals |
| subjects | Diffraction gratings Diffraction patterns Fluid dynamics Fluids Gratings (spectra) Monitoring Refractive index Refractivity |
| title | Optofluidic two-dimensional grating volume refractive index sensor |
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