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Article analysis:

The article provides a detailed description of the design and manufacture of a liquid-based SMS fiber optic refractometer sensor, with good agreement between experimental results and numerical simulations. The article also mentions potential applications in chemical and biomedical fields for accurate measurement of liquid refractive index, however it does not provide any evidence to support these claims or explore any possible risks associated with such applications. Additionally, there is no discussion on other possible methods for measuring liquid refractive index, nor is there any mention of counterarguments or alternative points of view on this topic. Furthermore, while the article does discuss how to control the width of multimode fibers during wet etching, it does not provide any information on how to ensure accuracy when doing so. In conclusion, while this article provides useful information on the design and manufacture of a liquid-based SMS fiber optic refractometer sensor, it lacks evidence to support its claims about potential applications as well as missing points of consideration regarding accuracy and alternative methods for measuring liquid refractive index.