光纤 (guāngxiān) — fiber optics
HSK 8 | noun | fiber optics; thin glass or plastic fibers transmitting data as light pulses
光纤 (guāngxiān)
光纤 refers to thin, flexible strands of optically pure glass or plastic that transmit light signals over long distances with minimal loss. Fiber optic technology has revolutionized telecommunications by enabling high-bandwidth, low-latency data transmission and forms the backbone of modern internet infrastructure and long-haul communication networks.
Meanings
- [noun] optical fiber; fiber optics; a thin transparent fiber through which light is transmitted for data communication
Example Sentences
单模光纤在长距离高速通信中比多模光纤具有更低的信号衰减。 Dān mó guāngxiān zài cháng jùlí gāosù tōngxìn zhōng bǐ duō mó guāngxiān jùyǒu gèng dī de xìnhào shuāijiǎn. Single-mode optical fiber has lower signal attenuation than multimode fiber in long-distance high-speed communication.
光纤入户工程使宽带网络覆盖到了偏远山区。 Guāngxiān rùhù gōngchéng shǐ kuāndài wǎngluò fùgài dào le piānyuǎn shānqū. The fiber-to-the-home project extended broadband network coverage to remote mountainous areas.
掺铒光纤放大器是解决光信号长距离传输衰减问题的关键技术。 Chān ěr guāngxiān fàngdàqì shì jiějué guāng xìnhào cháng jùlí chuánshū shuāijiǎn wèntí de guānjiàn jìshù. Erbium-doped fiber amplifiers are a key technology for addressing signal attenuation in long-distance optical transmission.
海底光纤电缆承载着全球约九十五%的国际数据流量。 Hǎidǐ guāngxiān diànlǎn chénzǎizhe quánqiú yuē jiǔshíwǔ bǎifēnbǐ de guójì shùjù liúliàng. Submarine optical fiber cables carry approximately 95% of international data traffic worldwide.
光纤传感器被广泛用于桥梁和大型建筑的结构健康监测。 Guāngxiān chuángǎnqì bèi guǎngfàn yòng yú qiáoliáng hé dàxíng jiànzhú de jiégòu jiànkāng jiāncè. Fiber optic sensors are widely used for structural health monitoring of bridges and large buildings.
相干光通信技术结合光纤大幅提升了频谱利用效率。 Xiānggān guāng tōngxìn jìshù jiéhé guāngxiān dàfú tíshēngle pínpǔ lìyòng xiàolǜ. Coherent optical communication technology combined with fiber optics has greatly improved spectral efficiency.
Collocations
| Collocation | Meaning |
|---|---|
| 光纤通信 | fiber optic communication |
| 光纤传感器 | fiber optic sensor |
| 单模光纤 | single-mode optical fiber |
| 光纤入户 | fiber to the home (FTTH) |
| 海底光纤电缆 | submarine optical fiber cable |
Usage Notes
光纤 is short for 光导纤维 (guāngdǎo xiānwéi), the full technical term. In telecommunications engineering, the two main categories are 单模光纤 (single-mode fiber, SMF) for long-haul transmission and 多模光纤 (multimode fiber, MMF) for shorter distances. Signal attenuation is measured in 分贝/千米 (dB/km).
光纤通信 (fiber optic communication) is the dominant paradigm of modern telecom infrastructure. Key enabling technologies include 波分复用 (wavelength-division multiplexing, WDM) and 光纤放大器 (optical fiber amplifiers). In Chinese national infrastructure policy, 光纤入户 (FTTH) has been a major broadband deployment goal.
Memory Hook
光 (light) + 纤 (fiber/filament) — a fiber that carries light instead of electricity.