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In this paper, we review the progress of atom interferometer sensors. Previous research institutions focused on how to improve the atom interferometers as an independent sensor. We have shown the atom interferometry and the sensitivity function which is helpful on noise evaluation, and demonstrated some rejection approaches of laser noise, vibration noise, and detection noise after comparison.
A compact and low cost fiber sensor based on microfiber with Fresnel reflection is proposed and demonstrated for simultaneous measurement of refractive index (RI) and temperature with high sensitivities.
A specific and high-sensitive immunosensor for detecting pulmonary tuberculosis (TB) markers in human serum is presented by miniaturizing array of microelectrodes via micro electro-mechanical system (MEMS) for multi-channel electrochemical measurement. The immunosensor is consisted of six Au disk working electrodes, one Au counter electrode and one Ag/AgCl reference electrode. Semi-insulating poly(o-phenylenediamine)(PoPD)...
This paper deals with an optimal control problem for a class of singularly perturbed time-delay large-scale systems. The optimal control laws for the order-reduced slow subsystem with time-delay and fast subsystem are designed, respectively. For the slow subsystem, the sensitivity approach is proposed to solve the coupled two-point boundary value (TPBV) problem with both time delay and advance terms...
Long-period fibre gratings (LPGs) have previously been used to detect quantities such as temperature, strain and refractive index (RI). The responsivity to surrounding refractive index means that, potentially, LPGs could be realised as optical biosensors for applications in biochemical and biomedical application areas. We report here to our best knowledge the first investigation on refractive index...
The microchannelled chirped fibre Bragg grating (MCFBG) was fabricated using femtosecond laser processing and HF-etching. Intrinsical refractive-index sensitivity induced by the microchannel makes MCFBGs ideal for biochemical sensing.
We demonstrate a liquid level sensor based on the surrounding medium refractive index (SRI) sensing using of an excessively tilted fibre Bragg grating (ETFBG). The sensor has low thermal cross sensitivity and high SRI responsivity.
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