Light source mode measuring instrument
一种测量仪、发光模式的技术,应用在光源模式测量仪领域,能够解决不能衡量光功率或者光辐出特性的分布状况、设备系统成本高昂、测试结果误差大等问题,达到重量轻、一致性好、说服力强的效果
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[0032] The specific implementation physical structure diagram is as follows Figure 6 As shown, it includes: a light source adapter 601, a beam expanding concave lens 5, an inner lens barrel 603, an annular mode selection mirror 21, a guide rail 605, a photodetector (PD) 3, a transmission plate glass 607, a total reflection mirror 4, and an outer lens barrel 609 , battery compartment and circuit assembly 610, angle scale 611. The light source adapter 601 on the top of the inner lens barrel 603 is a beam-coupling adapter interface, which couples the light beam emitted by the light source into the measuring instrument. The adapter of this interface can be replaced, and is suitable for multiple It is a common type of jumper head, and it can also directly use bare fiber ferrule or directly test light sources such as LED chips without using an interface. For the multimode optical fiber used for optical communication, its divergence angle is generally not more than 15°, so a beam e...
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