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(Color online) (a) Schematic diagram of biochip design and (b) FBG resonant cavity.
(Color online) Comparison of different theoretical models for the transmission spectrum of FBG resonant cavity.
(Color online) Determination of based on the peak shift due to the change of the buffer’s refractive index.
(a) Cell loading, (b) cell encapsulation, and (c) cell optically trapped for measurement.
(Color online) Transmission spectra. (a) PBS solution with and (b) PBS solution with .
Measurement results of the cell’s effective refractive index and effective thickness.
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