Composite glass optical fiber for synchronously detecting optical signals, electrical signals and chemical signals and preparation method of composite glass optical fiber

Abstract

The invention discloses composite glass optical fiber for synchronously detecting optical signals, electrical signals and chemical signals and a preparation method of the composite glass optical fiber. The composite glass optical fiber structurally includes glass cladding, a light-guiding glass fiber core, a conductive metal core and a noble metal micro-nano particle end surface, wherein the light-guiding glass optical fiber core layer is located at an optical fiber axis, and the conductive metal core is located in the middle area of the light-guiding glass fiber core and the outer cladding. The composite glass optical fiber can be used for realizing efficient transmission and recording of the optical signals, the electrical signals and the chemical signals, and the composite glass opticalfiber is expected to be widely used in the fields of neuroscience, biosensing, environmental monitoring and the like. Compared with current glass optical fiber and silica optical fiber, the compositeglass optical fiber has optical functions, electrical functions and chemical detection functions. Compared with polymer optical fiber, the composite glass optical fiber has high mechanical strength,uniform refractive index distribution, small light spots and good light transmittance performance.

Description

technical field [0001] The invention relates to the technical field of optical fiber material preparation, in particular to a composite glass optical fiber for synchronous detection of photoelectrochemical signals and a preparation method thereof. Background technique [0002] Optical fiber materials are widely used in optical communication, fiber laser, nonlinear optics, chemical sensing, biomedicine, neuroscience and other fields. With the development of society and the advancement of material processing technology, people's demand for optical fiber materials with multiple functions is also increasing. Therefore, integrating materials with optical, electrical, magnetic or chemical functions into an optical fiber to achieve multi-functionalization of a single optical fiber has become an important direction for the development of optical fiber materials. [0003] In optogenetics technology, fiber optic material, as one of the important devices, has a great impact on the dev...

AI Technical Summary

Problems solved by technology

At present, the commonly used optical fibers in optogenetics are commercial silica optical fibers, which can only guide light, and the electrical signals generated by light stimulation need to be implanted with electrode materials for recording, which increases the wound area of ​​living animals and the difficulty of surgery

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