發(fā)布時(shí)間：2018-08-06 12:45

【摘要】：為了提高分幅相機(jī)的像面一致性,從分孔徑和分振幅兩種分幅方法的原理出發(fā),分析了物體輻射特性影響像面一致性的原因.基于光纖傳像器件勻光作用,提出了一種提高像面一致性的方法,并以棱錐分孔徑實(shí)現(xiàn)六分幅為例,在LightTools軟件中仿真了光纖面板厚度、纖芯直徑、光線入射角度等參量對(duì)像面一致性的影響.結(jié)果表明,當(dāng)光束主光線在光纖前端的入射角在±15°內(nèi)變化時(shí),增大光纖面板厚度或減小纖芯直徑,可使得六幅像面能量差小于0.3%.基于光纖傳像器件的棱錐分幅結(jié)構(gòu),可有效提高分幅相機(jī)的像面一致性.
[Abstract]:In order to improve the image surface consistency of the splitter camera, the causes of the effect of object radiation characteristics on the image surface consistency are analyzed based on the principle of split aperture and amplitude-splitting methods. Based on the uniform light effect of optical fiber image transmission device, a method to improve the consistency of image plane is proposed. The thickness of optical fiber panel and the diameter of fiber core are simulated in LightTools software. The influence of the angle of incidence of light on the consistency of image plane. The results show that when the incident angle of the main beam is within 鹵15 擄, increasing the thickness of the fiber panel or reducing the diameter of the fiber core can make the energy difference of the six image planes less than 0.3. The prism and cone splitter structure based on the optical fiber image transmission device can effectively improve the image surface consistency of the splitter camera.
【作者單位】： 天津大學(xué)精密儀器與光電子工程學(xué)院光電信息科學(xué)技術(shù)教育部重點(diǎn)實(shí)驗(yàn)室;
【基金】：國(guó)防支撐項(xiàng)目資助~~
【分類號(hào)】：TB852.1

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