目标定位
中心定位于太赫兹技术基础应用研究,包括强场太赫兹辐射源的产生、探测和应用等太赫兹领域最前沿研究方向。
主要研究方向
1、宽频强场太赫兹辐射源的产生和探测;
2、太赫兹光谱和成像;
3、强场太赫兹波与物质的相互作用及其新现象、新物理、新机制、新技术和新应用;
4、高灵敏度新型窄带和宽带太赫兹元器件、太赫兹材料的新应用;
5、太赫兹波生物效应;
6、太赫兹波医学诊疗。
项目
国家重点基础研究发展计划(973计划)课题1项,国家重点研发计划子课题1项,重庆市基础科学与前沿研究计划重点项目1项等。
员工
彭晓昱(博士,研究员,博士生导师,中心负责人)
2005年毕业于中科院物理研究所并获得博士学位,曾获2004年度“蔡诗东等离子体物理奖”;2006-2008年在德国杜塞尔多夫大学激光等离子体研究所从事博士后研究并任客座研究员;2008-2014年新加坡科技研究局(A*STAR)材料研究与工程研究院(IMRE)任研究员,2014年7月任中科院重庆绿色智能技术研究院太赫兹技术研究中心研究员,现任太赫兹技术研究中心主任。多年从事基于激光等离子体的太赫兹辐射源、太赫兹探测技术及其应用等研究,在Appl. Phys. Lett., Phys. Rev. E, Phys. Rev. Lett., J. Appl. Phys., Opt. Express,J. Appl. Phys. D等期刊发表论文40多篇,申请专利4项。为Appl. Phys. Lett., Opt. Lett., Sci. Rep.和《中国科学》等国内外著名期刊的审稿人。
研究方向:基于激光等离子体相互作用或基于其它激光泵浦的强场太赫兹辐射源;强场太赫兹波在材料科学和生物医学等领域的应用;太赫兹波探测技术;太赫兹和红外波段的人工电磁结构材料。
代表性成果:
1、H.-W. Du et al., and X.-Y. Peng*, “A coherent detection technique via optically biased field for broadband terahertz radiation”, Rev. Sci. Instrum. 88, 093104 (2017).
2、B. Lu, …, X.-Y. Peng* et al., “A high extinction ratio THz polarizer fabricated by double-bilayer wire grid structure”, AIP Adv. 6, 025215 (2016).
3、X.-Y. Peng* et al., “Distortion reduction in strong terahertz signals using broadband attenuators with flat transmittance”, J. Phys. D: Appl. Phys. 49, 015501 (2016).
4、X.-Y. Peng* et al., “Active near infrared linear polarizer based on VO2 phase transition”, J. Appl. Phys. 114, 163103 (2013).
5、X.-Y. Peng* et al., “Ultrathin multi-band planar metamaterial absorber based on standing wave resonances”, Opt. Express 20, 27756 (2012).
6、X.-Y. Peng* et al., “Distortion of the pulsed terahertz signal due to the imperfect synchronization with the chirped probe pulse”, J. Opt. Soc. Am. A 28, 2049 (2011).
7、X.-Y. Peng* et al., “To realize the optimal probe pulse length for detection of pulsed terahertz signal with spectral-encoding technique”, Appl. Phys. Lett. 98, 231111 (2011).
8、X.-Y. Peng* et al., “Distortion analysis of pulsed terahertz signal measured with spectral-encoding technique”, J. Appl. Phys.108, 093112 (2010).
9、X.-Y. Peng* et al.,“Distortion of the intense terahertz signal measured by spectral-encoding technique”, Appl. Phys. Lett.94, 221107 (2009).
10、X.-Y. Peng et al., “Strong terahertz radiation from air plasmas generated by an aperture-limited Gaussian pump laser beam”, Appl. Phys. Lett. 94, 101502 (2009).
11、X.-Y. Peng et al., “Proton acceleration from microdroplet spray by weakly relativistic femtosecond laser pulses”, Phys. Rev. E 74, 036405 (2006).
12、X.-Y. Peng et al., “Energetic electrons from ethanol droplets irradiated by femtosecond laser pulses”, Phys. Rev. E 69, 026414 (2004).
13、PENG X.-Y. et al., “Double Jet Emission of Hot Electrons from a Micro-droplet Spray”, Chin. Phys. Lett. 21, 693 (2004).
14、PENG X.-Y. et al., “Angular distribution of hot electrons emitted from ethanol droplets irradiated by ultra short laser pulses”, Acta Phys. Sin., 53, 2625 (2004).
15、Y.T. Li, …, X.-Y. Peng, et al., “Spatial Distribution of High-Energy Electron Emission from Water Plasmas Produced by Femtosecond Laser Pulses”, Phys. Rev. Lett. 90, 165002 (2003).
毛婧一(博士,项目研究员,硕士生导师)
2012年于中国科学院物理研究所获得理学博士学位,研究方向为飞秒激光驱动的X射线源及靶表面电子加速的研究。随后入选卡尔蔡司学者,并主持了德国卡尔蔡司基金会16万欧元的研究项目,在德国凯泽斯劳滕理工大学和德国GSI亥姆霍兹研究所进行博士后研究,利用台面飞秒EUV源,对复杂磁性材料进行特定元素超快磁性动力学的研究。2018年4月加入中国科学院重庆绿色智能技术研究院。在国际学术期刊上发表论文10余篇,申请专利两项。
研究方向:飞秒激光驱动的宽谱太赫兹辐射源的产生及其应用,基于相位匹配光整流技术的强场太赫兹源的产生以及其应用。
代表性成果:
1、J. Y. Mao, et al., “Energy enhancement of the target surface electron by using a 200 TW sub-picosecond laser.” Opt. Lett. 43, 3909 (2018).
2、J. Y. Mao, et al., “Highly-collimated monoenergetic target-surface electron acceleration in near-critical-density plasmas.” Appl. Phys. Lett. 106, 131105 (2015).
3、J. Y. Mao, et al., “Spectrally peaked electron beams produced via surface guiding and acceleration in femtosecond laser-solid interactions,” Phys. Rev. E 85, 025401(R) (2012).
4、J. Y. Mao, et al., “Application of a transmission crystal x-ray spectrometer to moderate-intensity laser driven sources,” Rev. Sci. Instrum. 83, 043104 (2012).
5、L. M. Chen, …, J. Y. Mao, et al., “Intense high contrast femtosecond K-shell X-ray source from laser-driven Ar clusters,” Phys. Rev. Lett. 104, 215004 (2010).
朱珈庆(硕士,研究实习员)
2020年毕业于重庆交通大学,并在中科院力学研究所联合培养,获得材料科学与工程硕士学位,研究方向为微纳米-高聚物复合材料的冲击吸能行为。
研究方向:太赫兹功能材料及器件。
客座/访问教授
张希成教授,美国罗彻斯特大学光学研究所
科研合作
刘盛纲院士、胡旻教授,电子科技大学
李玉同研究员,中国科学院物理研究所
钟莉教授,重庆大学生物工程学院
马勇教授,重庆邮电大学
府伟灵教授,陆军军医大学
王槐志教授,中国科学院大学重庆医院(重庆人民医院)
研究成果(2015-)
1、ZHANG D.-Y., PENG X.-Y.*, TANG F., DU H.-W., LUO C.-H*. “Single-shot Terahertz Time Domain Spectroscopy Techniques”, Spectrosc. Spect. Anal. 39, 1377 (2019).
2、H.-W. Du*, F. Tang, D.-Y. Zhang, J.-Y. Mao, “Terahertz waves radiated from two plasma filaments with opposite directions’, Opt. Commun. 45, 239 (2019).
3、P.-H Wu, C.S. Yang, P. -H. Chen, W.-C. Hu, H.-W. Du, X. -Y. Peng, and C. -L. Pan, “Optimization of Terahertz Source via an Ambient Air-Based Multi-Color Photoionization”, IRMMW-THz 2019, Paris, France, 2019.9.1-2019.9.6.
4、M. Yu, S. Yan, Y.-Q Sun, W. Sheng, F. Tang, X.-Y. Peng,* Y. Hu,* “Characterization of Nucleobases in Broadband Terahertz Spectra from 0.5 to 10 THz with the Air-Biased-Coherent-Detection Technique”, Sensors 19, 1148 (2019).
5、H.-W. Du*, F. Tang, D.-Y. Zhang, W. Sheng, and J.-Y. Mao, “Calibration of the field strength of broadband THz radiation in air coherent detection technology”, J. Appl. Phys. 124, 143101 (2018).
6、J. Y. Mao, et al., “Energy enhancement of the target surface electron by using a 200 TW sub-picosecond laser.” Opt. Lett., 43, 3909 (2018).
7、Changcheng Shi, Yuting Ma, Jin Zhang, Dongshan Wei, Huabin Wang, Xiaoyu Peng, Mingjie Tang, Shihan Yan, Guokun Zuo, Chunlei Du, and Hongliang Cui, “Terahertz time-domain spectroscopy of chondroitin sulfate”, Biomed. Opt. Express 9, 1350 (2018).
8、H.-W. Du, J.-M. Dong, Y. Liu, C.-C. Shi, J.-W. Wu, and X.-Y. Peng*, “A coherent detection technique via optically biased field for broadband terahertz radiation”, Rev. Sci. Instrum. 88, 093104 (2017).
9、DU H. –Wei, PENG X.-Y., “Influence of wavelength of probe laser on terahertz free-space electro-optic sampling detection”, J. Infrared Millim. Waves, 36, 266 (2017).
10、B. Lu, H. Wang, J. Shen, J. Yang, H. Mao, L. Xia, W. Zhang, G. Wang*, X.-Y. Peng*, and D. Wang*, “A high extinction ratio THz polarizer fabricated by double-bilayer wire grid structure,” AIP Adv. 6, 025215 (2016).
11、DONG J.-M., PENG X.-Y.*, MA X.-H., LIU Y., WEI D.-S., CUI H.-L., and DU C.-L., “Progress of Detection Technology of Ultra-Broadband THz Time-Domain Spectroscopy”, Spectrosc. Spect. Anal. 36, 1277 (2016).
12、YANG Z.-B., WANG H.-B., PENG X.-Y., SHI C.-C., XIA L.-P.,TANG M.-J., CHANG T.-Y., WEI D.-S., DU C.-L., and CUI H.-L., “Recent progress in scanning probe microscope based super-resolution near-field fingerprint microscopy”, J. Infrared Millim. Waves 35, 87 (2016).
13、LIU Y., PENG X.-Y.*, WANG Z.B., DONG J.M., WEI D.-S., CUI H.-L., and DU C.-L., “Terahertz-wave Absorber Based on Metamaterial”, Infrared Techno. 37, 756 (2015).
14、H. W. Du*, “Investigation of blueshift of supercontinuum from ultrafast filament plasma grating”, Appl. Phys. B 123, 284 (2017).
15、X.-Y. Peng*, J. Teng, H. Liu, H. Tanoto, H. Guo, Z.-M. Sheng, and J. Zhang, “Distortion reduction in strong terahertz signals using broadband attenuators with flat transmittance,” J. Phys. D: Appl. Phys. 49, 015501 (2016).
16、Hai-Wei Du and Xiao-Yu Peng*, “Terahertz radiation from femtosecond plasma bifilament with a dc biased field”, ISUPTW 2016, Chongqing, China, 2016.10.10-10.12.
17、H. W. Du et al., “Terahertz waves radiated from two noncollinear femtosecond plasma filaments”, Appl. Phys. Lett. 107, 211113 (2015).
18、H. W. Du* et al., “THz generation from optical rectification tilted-pulse-front pumping scheme with laser pulse focused to a line”, Proc. SPIE 9671, 96710M (2015).
19、Liu Yi, Peng Xiao-Yu*, J. B. Kana Kana, Dong Jia-Meng, Wang Zuo-Bin, “Thermally Controlled Near-Infrared Metamaterial Absorber Based on Vanadium Dioxide”,3M-NANO 2015, Changchun, China, 2015.10.5-10.9.
20、Jiameng DONG, Yi LIU, Xiaoyu PENG*, Xiaohui MA. “Noise characteristics of terahertz signals measured by terahertz time-domain spectroscopy”, ICOM2015,Changchun, China, 2015.7.16-7.18.
实验室概况
2015年开始筹建实验室,建有大约110平米的专门用于基于激光泵浦的太赫兹辐射源及其应用研究的恒温低湿超净实验室,拥有一台重复频率为1 kHz、中心波长为800 nm、脉冲能量为12 mJ、脉宽为40 fs的掺钛蓝宝石飞秒激光放大器系统,1台宽谱太赫兹时域光谱仪(ZAP),以及激光与等离子体相互作用靶室、太赫兹相机、CMOS相机等仪器设备,可分别用于太赫兹波产生、太赫兹波探测和激光等离子体诊断。