求翻译：自从1978年 K.O.Hill在光纤中写入第一个Bragg光栅[1]后，因为光纤光栅具有独特的波长选择能力，它在光信息技术的各个领域获得了广泛的应用。例如，用于分布反馈激光器、飞秒激光器、光纤光栅传感器、光栅滤波器、波分复用器、光分插复用器、光开关与光学双稳器件等。由于基于光纤光栅的全光开关具有插入损耗低、体积小、元件少、易于与光纤系统对接等优点，引起人们的重视。是什么意思？

Since 1978, writing a bragg grating [1] kohill in fiber because fiber Bragg grating has a unique wavelength selectivity, it is widely used in various fields of optical information technology. For example, for distributed feedback lasers, femtosecond lasers, fiber Bragg grating sensors, grating filte

Since 1978, O K Hill . The fiber Bragg writes the FIRST raster[ 1] and since fiber Bragg grating has a unique wavelength selection capabilities, and it in the CD information for the areas of technology a wide range of applications. For example, distributed feedback lasers, lasers, and the second fib

K.O.Hill read in first Bragg since 1978 after the optical fiber diffraction grating (1), because the optical fiber diffraction grating had the unique wave length ability to select, it has obtained the widespread application in light information technology each domain.For example, uses in distributin

Since 1978, first is written K.O.Hill in Optical Fiber Bragg grating [1], because Fiber Bragg grating wavelength selection with a unique capacity, optical information technology in all areas in which it has access to a wide range of applications. For example, for distributed feedback laser, femtosec

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