本文選題：紫外星敏感器 + 光學(xué)設(shè)計��； 參考：《紅外與激光工程》2016年01期

【摘要】：針對空間紫外波段航天器自主導(dǎo)航姿態(tài)敏感器的特殊需求,提出基于正組為FK5和熔石英、負(fù)組為QF1的新型紫外玻璃組合方法,設(shè)計了波段330~365 nm、焦距80 mm、F數(shù)1.6、視場角8°×8°的紫外星敏感器�；诮S鬼像能量計算的方法對鬼像抑制指標(biāo)進(jìn)行計算。利用Code V對系統(tǒng)軸上一階鬼像進(jìn)行初步的分析與判斷,再利用非序列光線追跡對系統(tǒng)軸外多階鬼像進(jìn)行仿真計算,得到完備的軸外鬼像能量分布。結(jié)果表明,該光學(xué)系統(tǒng)結(jié)構(gòu)緊湊,像質(zhì)良好,各視場成像彌散斑均方根半徑10μm內(nèi)能量集中度大于80%,相對畸變優(yōu)于0.05%,在相差7等星的動態(tài)范圍下,像面處亮星最大鬼像光斑照度僅為暗星照度的1/21,滿足紫外星敏感器的探測需求。
[Abstract]:A novel UV glass combination method based on positive set FK5 and fused quartz and negative set QF1 is proposed to meet the special needs of spacecraft autonomous navigation attitude sensor in space ultraviolet band. A purple alien sensor with a focal length of 80 mm F number 1.6 and an angle of view of 8 擄脳 8 擄is designed. Based on the near axis ghost image energy calculation method, the ghost image suppression index is calculated. The first order ghost image on the axis of the system is analyzed and judged by Code V, and the multi-order ghost image outside the axis of the system is simulated by non-sequential ray tracing, and the complete energy distribution of the ghost image outside the axis is obtained. The results show that the optical system is compact, the image quality is good, the energy concentration is greater than 80 within 10 渭 m of the root mean square radius of each field of view imaging diffusion spot, the relative distortion is better than 0.05 and the dynamic range of the difference is 7 stars. The maximum speckle illumination of the bright star at the image plane is only 1 / 21 of that of the dark star, which meets the detection requirements of the ultraviolet star sensor.
【作者單位】： 中國科學(xué)院長春光學(xué)精密機械與物理研究所中國科學(xué)院光學(xué)系統(tǒng)先進(jìn)制造技術(shù)重點實驗室;中國科學(xué)院大學(xué);
【基金】：國家自然科學(xué)基金青年科學(xué)基金(61007009)
【分類號】：V448.22
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本文編號：2033402