Advantages and Applications of MCF Fiber

In the field of network communication, MCF fibers can be used for high-speed data transmission, including in wide area networks (WANs), local area networks (LANs), and metropolitan area networks (MANs). With the growth of application demands in the future, the development speed of the MCF fiber industry will accelerate.


What is MCF Fiber?


MCF fiber refers to optical fibers that house multiple cores within the same cladding, transmitting light signals through these multiple cores. Its characteristics are "spatial parallelism and multiplexing within a single fiber". Based on its working principle, it is mainly categorized into transmission-type and coupling-type MCF fibers. Among them, transmission-type MCF fibers, also known as weakly-coupled MCF fibers, have larger core spacing with minimal energy coupling between the cores, and each core's mode transmits independently. These are often used for high-capacity information transmission. Coupling-type MCF fibers have smaller core spacing with significant energy coupling between the cores and are extensively used in fields like sensing and measurement.


MCF Fiber: Data Center Throughput


MCF fibers deploy multiple cores within the same fiber bundle to increase data capacity. Advances in MCF fiber technology enable bidirectional data transmission within a single optical cable. The obvious benefit to end users is the increased capacity in a smaller space. Data-intensive services and applications that require high-speed bidirectional communication (such as cloud computing and interactive streaming services) benefit from enhanced bandwidth capacity to achieve high-performance throughput.


Application Areas of MCF Fiber


Due to its high resolution, flexible operation, and non-invasive characteristics, MCF fiber is widely used in minimally invasive medical imaging, life science research, and industrial non-destructive testing. However, in traditional designs, to avoid crosstalk between the fiber cores, a larger spacing between the cores is required. This design limits the effective imaging area of the fiber, leading to decreased light collection efficiency and signal-to-noise ratio. Especially in biological imaging, low light collection efficiency can limit imaging quality, while increasing the risk of phototoxicity, potentially causing harm to sensitive biological samples.

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