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We are disclosing the design of high performance low pressure drop micro preconcentrator chips for micro analytical instruments and a new deposition method which results in a cobweb structure of the adsorbent material, thereby significantly increasing the concentration efficiency without obstructing the gas flow.

We are disclosing a new method to coat micro pillars with the adsorbent polymer resulting in the formation of grass-like nanowires, significant increase in the µPC concentration factor, and the enhanced durability of the chip in retaining the adsorbed species.

This invention presents the principle, fabrication process and experimental results of a novel intrinsic Fabry-Perot interferometer (IFPI) fiber sensor targeted for quasi-distributed temperature, strain and pressure sensing applications. Compared with existing IFPI technologies, the invention has advantages in the following aspects: the fabrication process is significantly simplified and highly ...