国际最新研发空气芯光纤：可降低光损耗提升通信效能

Core Insights - A new type of air-core optical fiber has been developed, which could significantly reduce optical loss and enhance communication efficiency [1][3] - The air-core design allows for a 45% increase in transmission speed and enables the transmission of more data over longer distances without the need for signal amplification [1][3] Summary by Sections - Optical Loss Reduction: Traditional solid quartz glass fibers experience significant signal loss, with about 50% loss after approximately 20 kilometers, necessitating the use of amplifiers for long-distance transmission [3] - Experimental Findings: The new air-core fiber demonstrated an optical loss of 0.091 decibels per kilometer at a commonly used wavelength, potentially allowing signals to be transmitted about 50% further before requiring amplification [3] - Wider Transmission Window: The design of the air-core fiber offers a broader transmission window, minimizing signal loss and distortion across a wider range of wavelengths [3] - Future Research: There is potential for even lower losses with larger air cores, but further research is needed to validate these findings [3]