To illustrate: A meter-wide visible light telescope is a couple of million times wider than the wavelength of light it gathers.
举个例子：米宽光学望远镜要接收可见光波，其宽度就要大于所接受光波波长的数百万倍。
There is a unique certain relationship between optical maser wavelength which is measured by wave meter and optical rotation. So, the optical maser wavelength can be derived by the rotation angles.
已知激光波长与波长计得出的旋光度存在一一对应的关系，所以，可通过旋光角度得出光源的波长。
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.
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.
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。
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