对国内外关军用及民用飞机平台、分系统及设备雷电标准进行分析，针对雷电直接效应和雷电间接效应的所有测试项目，详述每个测试项目的适用区域、波形要求、测试配置等。结合现有国内雷电设计验证标准及测试存在的不足，提出提升测试设备与试验验证技术匹配性、扩展军用标准测试领域、统一同军种同一平台要求等建议。通过对军用机载平台、设备及分系统关于雷电设计验证标准及测试的分析，为相关产品设计师及试验人员提供设计指标参考，明确产品关于雷电防护的设计要求及验证要求，做到有的放矢，提高设计费效比。

为提升长春站卫星激光测距数据稳定性，从卫星激光测距物理机制及评价指标出发，建立了基于精密星历的数据评价系统，分析了长春站数据的稳定性及外符合精度。根据分析结果，采用前沿半峰 （LEHM） 剪切算法改进数据预处理方法，降低了卫星形状效应对数据精度和稳定性的影响。分析表明，基于精密星历的数据评价系统与国际卫星激光测距组织（ILRS）数据中心评价结果一致。采用LEHM剪切算法进行数据处理后，长春站Lageos-1卫星数据的标准点精度由4.9 mm提高至3.9 mm，短期稳定性由19.8 mm提高至18.1 mm，长期稳定性由6.2 mm提高至5.4 mm，外符合精度由79.6 mm提高至68.2 mm。改进的数据预处理算法可有效提升数据稳定性及外符合精度，为长春站数据稳定性与精度的进一步提升指出了方向。

超稳激光是精密测量领域的关键工具，其频率稳定度很大程度上取决于频率锁定稳定度。笔者理论研究了干涉效应对锁频误差信号的影响，并通过实验研究了降低干涉效应的方法，以提高激光的频率锁定稳定度。经过优化后，锁频系统的锁定稳定度相对于参考腔线宽达到了9×10-7。在参考腔线宽为21 kHz（精细度为7.5万）的情况下，将1.5 μm激光的频率稳定度锁定到4.0×10-16水平，接近10 cm参考腔的热噪声极限。本文所提降低干涉效应的方法是研制稳定度高达10-17水平的超稳激光器的重要参考。

We present a theoretical study of the one-dimensional modulational instability of a broad optical beam propagating in a biased photorefractive crystal with both linear and quadratic electro-optic effects (Kerr effect) under steady-state conditions. One-dimensional modulational instability growth rates are obtained by treating the space-charge field equation globally and locally. Both theoretical reasoning and numerical simulation show that both the global and local modulational instability gains are governed simultaneously by the strength and the polarity of external bias field and by the ratio of the intensity of the broad beam to that of the dark irradiance. Under a strong bias field, the results obtained using these two methods are in good agreement in the low spatial frequency regime. Moreover, the instability growth rate increases with the bias field, and the maximum instability growth occurs when ratio of light intensity to dark irradiance is 0.88.

Photodynamic therapy (PDT) has limited effects in treating metastatic breast cancer. Immune checkpoints can deplete the function of immune cells; however, the expression of immune checkpoints after PDT is unclear. This study investigates whether the limited efficacy of PDT is due to upregulated immune checkpoints and tries to combine the PDT and immune checkpoint inhibitor to observe the efficacy. A metastatic breast cancer model was treated by PDT mediated by hematoporphyrin derivatives (HpD-PDT). The anti-tumor effect of HpD-PDT was observed, as well as CD4+T, CD8+T and calreticulin (CRT) by immunohistochemistry and immunofluorescence. Immune checkpoints on T cells were analyzed by flow cytometry after HpD-PDT. When combining PDT with immune checkpoint inhibitors, the antitumor effect and immune effect were assessed. For HpD-PDT at 100mW/cm² and 40, 60 and 80J/cm², primary tumors were suppressed and CD4+T, CD8+T and CRT were elevated; however, distant tumors couldn’t be inhibited and survival could not be prolonged. Immune checkpoints on T cells, especially PD1 and LAG-3 after HpD-PDT, were upregulated, which may explain the reason for the limited HpD-PDT effect. After PDT combined with anti-PD1 antibody, but not with anti-LAG-3 antibody, both the primary and distant tumors were significantly inhibited and the survival time was prolonged, additionally, CD4+T, CD8+T, IFN-γ+CD4+T and TNF-α+CD4+T cells were significantly increased compared with HpD-PDT. HpD-PDT could not combat metastatic breast cancer. PD1 and LAG-3 were upregulated after HpD-PDT. Anti-PD1 antibody, but not anti-LAG-3 antibody, could augment the antitumor effect of HpD-PDT for treating metastatic breast cancer.

利用紫外纳秒标识系统对硅晶圆表面进行二维码直接标识试验研究。采用控制变量法，分别研究不同的脉冲占空比、重复频率、光斑重叠率对标识材料的热损伤、表面形貌以及二维码识读效果的影响规律。研究结果表明，脉冲占空比和重复频率对标识区域的环宽和热损伤影响效果明显，二维码的读取率和识读时间同时受占空比、重复频率、光斑重叠率影响。单脉冲能量在10.7~20 μJ范围内可以标识出符合SEMI标准的均匀、细腻、稳定、高识读率的无尘标识。