在波导内的每个微小的通道都只有60-120纳米宽（十亿分之一米），比1500纳米波长的红外激光传播的光道还要窄。
Each of the tiny channels within the waveguide is only 60-120 nanometers (billionths of a meter) wide, thinner than the 1,500 nanometer wavelength of the infrared laser light channeling through them.
辐射缝隙导纳及波导导内波长的频率特性，是影响裂缝天线带宽的主要因素。
The frequency characteristic of the admittance of radiating slot and the waveguide wavelength of radiating waveguide is the main factor that influences the bandwidth of the slot array antenna.
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