长期致力于微型高频超声换能器的研制与体内超声成像系统的开发工作，先后主持参与国家重点研发计划、科技支撑计划、国自然基金重大仪器、中科院装备研制项目、国际合作等科技项目10余项。成功研制了高频血管内超声成像（IVUS）换能器；负责研制了超声消化内镜高频探头（相关产品已进入国家创新医疗器械审批绿色通道）和小尺寸扇扫探头；此外，还成功研制了3维呼吸内镜探头、环阵IVUS探头、眼科聚焦探头和高频小动物超声成像仪等多种超声探头和系统，填补国内空白。截至目前，共发表论文50余篇，申请发明专利30余项，其中2项专利通过授权方式实现成果转化，合著英文书籍1本，参与制定血管内超声成像和超声内窥镜标准2个。现担任中国医学装备协会超声装备技术分会委员和超声换能器及材料专业委员会常务委员等。
1. 中国医学装备协会超声装备技术分会委员，2019-2023
2. 中科院青促会优秀会员，2019
3. 中国医学装备协会超声换能器与材料专委会常务委员，2018-2022
4. 苏州市高新区创新创业领军人才，2018
5. 苏州市青年科技托举人才，2018
6. 江苏省333高层次人才，2016
7. 中科院青促会会员，2015
（1）微型高频超声换能器研制：设计开发微型高频超声换能器，包括血管内超声换能器、胃窥镜超声换能器、支气管超声换能器等；小尺寸高频阵列超声换能器研制，包括内窥凸阵、线阵、环阵换能器、阵列/矩阵高频超声换能器等；新型超声换能器设计与开发，包括1-3复合换能器、聚焦换能器、超灵敏超声换能器、激光换能器、PVDF换能器等。
（2）高性能高频超声成像系统开发研究：血管内超声成像系统、超声内窥镜成像系统、高频多通道小动物超声系统、编码发射技术等。
（3）多光谱光声成像技术研究：采用连续可调的脉冲激光，实现对目标组织在不同温度下的多光谱光声成像，监测组织目标温度，分辨超细结构，识别组织组分等，可用于易损斑块识别、术中温度监测和多模式功能成像诊断疾病等。
[1] X. Jian, N. Wang, C. Yang et al., “Multiwavelength photoacoustic temperature measurement with phantom and ex-vivo tissue,” Optics Communications, vol. 457, pp. 124724, 2020/02/15/, 2020.
[3] X. Jian, P. Liu, Z. Li et al., “Development of Self-Focusing Piezoelectric Composite Ultrasound Transducer Using Laser Engraving Technology,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 66, no. 12, pp. 1866-1873, 2019.
[4] X. Jian, Z. Li, Z. Han et al., “The Study of Cable Effect on High-Frequency Ultrasound Transducer Performance,” Ieee Sensors Journal, vol. 18, no. 13, pp. 5265-5271, Jul 1, 2018.
[5] X. H. Jian, F. L. Dong, J. Xu et al., “Frequency Domain Analysis of Multiwavelength Photoacoustic Signals for Differentiating Tissue Components,” International Journal of Thermophysics, vol. 39, no. 5, pp. 58, 2018.
[6] H. He, A. Buehler, D. Bozhko, X.Jian et al., “Importance of Ultrawide Bandwidth for Optoacoustic Esophagus Imaging,” Ieee Transactions on Medical Imaging, vol. 37, no. 5, pp. 1162-1167, May, 2018.
[7] X. Jiang, S. Li, J. Kim, X. Jian et al., High Frequency Piezo-Composite Micromachined Ultrasound Transducer Array Technology for Biomedical Imaging: The American Society of Mechanical Engineers （ASME Press）, 2017.
[8] Jian, Xiaohua ，Han, Zhile，Liu, Pengbo，Xu, Jie，Li, Zhangjian，Li, Peiyang，Shao, Weiwei，Cui, Yaoyao, A High Frequency Geometric Focusing Transducer Based on 1-3 Piezocomposite for Intravascular Ultrasound Imaging, Biomed Research International, 2017, 2017(66): 9327270.
[9] Xiaohua Jian，Sibo Li，Wenbin Huang，Yaoyao Cui，Xiaoning Jiang，Elect romechanical response of micromachined 1-3 piezoelectric composites: Effect of etched piezo-pillar slope，Journal of Intelligent Material Systems and Structures，2014.8.20，26（15）：1~9.
[10] Jian XH, Zhang CM, Zhang L, Zhao BC. The data processing of the temporarily and spatially mixed modulated polarization interference imaging spectrometer. Optics Express, 2010, 18(6):5674-5680.
[11] Jian XH, Li SB, Huang WB, Cui YY, and Jiang XN, Electromechanical response of micromachined 1-3 piezoelectric composites: Effect of etched piezo-pillar slope, Journal of Intelligent Material Systems and Structures, p. 1045389X14546657, 2014.
[12] Jian XH, Cui YY, Xiang YJ, et al. Adaptive optics photoacoustic spectroscopic imaging. Optics Communications, 286: 383-386, 2013，
Zhang CM, Jian XH.Wide-spectrum reconstruction method for a birefringence interference imaging spectrometer. Optics Letters, 2010, 35(3):366-368.—获《激光与光电子学进展》杂志“2010中国光学重要成果”奖.
简小华 研究员
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电子邮件：jianxh@sibet.ac.cn
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