对聚甲基丙烯酸甲酯(PMMA)芯聚合物光纤的临界弯曲半径进行了测试，利用光栅单色仪对采用不同尺寸滤模器的光纤出射光谱进行了测量。
The critical bending radius of PMMA polymer optical fiber is measured, By using grating monochromator, the exiting spectrums of the mode filters with different dimensions are measured.
它由标准光源，积分球，双光栅单色仪，探测器及电子学—计算机系统组成。
It consists of standard sources integrated sphere, double grating monochromator, detectors, and electronics-microcomputer system.
它由光栅-棱镜单色仪、探测器、读数仪表、标准灯组及微型计算机组成。
It consists of a grating-prism monochromator, detectors, readout electronics, standard lamps and a microcomputer.
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