Molecular imprinting microfluidics sensor based on double-annular-fiber-core optical fiber and double-annular-fiber-core optical fiber
A molecular imprinting and microfluidic technology, applied in multi-layer core/clad optical fibers, clad optical fibers, instruments, etc., can solve the problems of poor interferometer structure selectivity, complex system structure, large volume, etc., and achieve a simple structure. , compact structure, high detection sensitivity effect
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[0024] The present invention will be described in more detail below with examples in conjunction with the accompanying drawings.
[0025] The molecularly imprinted optical fiber online sensor based on the Mach-Zehnder type optical fiber interferometer of the present invention is realized in this way: an optical fiber containing a double annular core is used to connect the interference optical path and perform sensing, and its features mainly include the following:
[0026] combine figure 1 , The main feature of the structure of the end face of the double-ring core optical fiber for sensing is that it has a double-ring core and a channel structure, and the core has a large specific surface area. The fiber core [1] is located on the inner surface of the annular cladding [2], and the fiber core [3] is located inside the annular cladding [2]. Such as figure 2 As shown, the surface of the microfluidic channel[4] utilizes CO 2 The laser opens two microports, in which the micropo...
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