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在单发、超快时间分辨的测量技术中，线性啁啾脉冲和光谱仪的结合使用是一种常见方法. 本文以成像型光谱仪为记录系统，利用线性啁啾脉冲的频-时对应关系，设计了一种应用于自由面速度超快测量的速度干涉仪. 理论研究了其工作原理和适用范围，该速度干涉仪可以实现皮秒量级的时间分辨，且速度灵敏度可调、易调，大大拓宽了速度干涉仪的应用范围. 数值模拟了系统的测速过程，结果表明，重建速度信号与给定物体速度符合得很好，进一步验证了系统的可行性.
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关键词:
- 任意反射面速度干涉仪 /
- 拍频干涉 /
- 啁啾脉冲 /
- 时间分辨
In single-shot, ultrafast time-resolved measurements, the combination of linear chirp pulse and spectrometer is a common way. In this paper, according to the time-frequency mapping relationship of linear chirp pulse and utilizing an imaging spectrometer as a recording system, we design a chirped pulse velocity interferometer for the ultrafast measurement of free surface velocity. Theoretical research on the principle and applicability shows that picosecond resolution is achievable and the velocity sensitivity is easily adjustable, which greatly widens applications of the velocity interferometer. The numerical simulation of the measurement process shows that reconstructed velocity signal is well consistent with the given velocity, further confirming the feasibility of the chirped pulse velocity interferometer.-
Keywords:
- velocity interferometer system for any reflector /
- beat frequency interference /
- chirped pulse /
- time-resolved
[1] Hu S L 2001 Laser Interferometry for Measuring Velocities (Beijing: National Defence Industry Press) p1 (in Chinese) [胡绍楼 2001 激光干涉测速技术 (北京: 国防工业出版社) 第1页]
[2] Bloomquist D D, Sheffield S A 1983 J. Appl. Phys. 54 1717
[3] Barker L M, Hollenbach R E 1972 J. Appl. Phys. 43 4669
[4] Celliers P M, Collins G W, Da Silva L B, Gold D M, Cauble R 1998 Appl. Phys. Lett. 73 1320
[5] Shu H, Fu S Z, Huang X G, Ye J J, Zhou H Z, Xie Z Y, Long T 2012 Acta Phys. Sin. 61 114102 (in Chinese) [舒桦, 傅思祖, 黄秀光, 叶君建, 周华珍, 谢志勇, 龙滔 2012 61 114102]
[6] Celliers P M, Bradley D K, Collins G W, Hicks D G, Boehly T R, Armstrong W J 2004 Rev. Sci. Instrum. 75 4916
[7] Wang Y G, He H L, Wang L L, Jing F Q, Boustie M, Sekine T 2006 J. Appl. Phys. 100 033511
[8] Cuq-Lelandais J P, Boustie M, Berthe L, de Rességuier T, Combis P, Colombier J P, Nivard M, Claverie A 2009 J. Phys. D: Appl. Phys. 42 065402
[9] de Rességuier T, Lescoute E, Loison D, Chevalier J M, Ducasse F 2011 J. Appl. Phys. 110 123504
[10] Shan L Q, Gao Y L, Xin J T, Wang F, Peng X S, Xu T, Zhou W M, Zhao Z Q, Cao L F, Wu Y C, Zhu B, Liu H J, Liu D X, Shui M, He Y L, Zhan X Y, Gu Y Q 2012 Acta Phys. Sin. 61 135204 (in Chinese) [单连强, 高宇林, 辛建婷, 王峰, 彭晓世, 徐涛, 周维民, 赵宗清, 曹磊峰, 吴玉迟, 朱斌, 刘红杰, 刘东晓, 税敏, 何颖玲, 詹夏宇, 谷渝秋 2012 61 135204]
[11] Wang F, Peng X S, Mei L S, Liu S Y, Jiang X H, Ding Y K 2012 Acta Phys. Sin. 61 135201 (in Chinese) [王峰, 彭晓世, 梅鲁生, 刘慎业, 蒋小华, 丁永坤 2012 61 135201]
[12] Robey H F, Boehly T R, Olson R E, Nikroo A, Celliers P M, Landen O L, Meverhofer D D 2010 Phys. Plasmas 17 012703
[13] Sun F G, Jiang Z P, Zhang X C 1998 Appl. Phys. Lett. 73 2233
[14] Kim K Y, Yellampalle B, Rodriguez G, Averitt R D, Taylor A J, Glownia J H 2006 Appl. Phys. Lett. 88 041123
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[1] Hu S L 2001 Laser Interferometry for Measuring Velocities (Beijing: National Defence Industry Press) p1 (in Chinese) [胡绍楼 2001 激光干涉测速技术 (北京: 国防工业出版社) 第1页]
[2] Bloomquist D D, Sheffield S A 1983 J. Appl. Phys. 54 1717
[3] Barker L M, Hollenbach R E 1972 J. Appl. Phys. 43 4669
[4] Celliers P M, Collins G W, Da Silva L B, Gold D M, Cauble R 1998 Appl. Phys. Lett. 73 1320
[5] Shu H, Fu S Z, Huang X G, Ye J J, Zhou H Z, Xie Z Y, Long T 2012 Acta Phys. Sin. 61 114102 (in Chinese) [舒桦, 傅思祖, 黄秀光, 叶君建, 周华珍, 谢志勇, 龙滔 2012 61 114102]
[6] Celliers P M, Bradley D K, Collins G W, Hicks D G, Boehly T R, Armstrong W J 2004 Rev. Sci. Instrum. 75 4916
[7] Wang Y G, He H L, Wang L L, Jing F Q, Boustie M, Sekine T 2006 J. Appl. Phys. 100 033511
[8] Cuq-Lelandais J P, Boustie M, Berthe L, de Rességuier T, Combis P, Colombier J P, Nivard M, Claverie A 2009 J. Phys. D: Appl. Phys. 42 065402
[9] de Rességuier T, Lescoute E, Loison D, Chevalier J M, Ducasse F 2011 J. Appl. Phys. 110 123504
[10] Shan L Q, Gao Y L, Xin J T, Wang F, Peng X S, Xu T, Zhou W M, Zhao Z Q, Cao L F, Wu Y C, Zhu B, Liu H J, Liu D X, Shui M, He Y L, Zhan X Y, Gu Y Q 2012 Acta Phys. Sin. 61 135204 (in Chinese) [单连强, 高宇林, 辛建婷, 王峰, 彭晓世, 徐涛, 周维民, 赵宗清, 曹磊峰, 吴玉迟, 朱斌, 刘红杰, 刘东晓, 税敏, 何颖玲, 詹夏宇, 谷渝秋 2012 61 135204]
[11] Wang F, Peng X S, Mei L S, Liu S Y, Jiang X H, Ding Y K 2012 Acta Phys. Sin. 61 135201 (in Chinese) [王峰, 彭晓世, 梅鲁生, 刘慎业, 蒋小华, 丁永坤 2012 61 135201]
[12] Robey H F, Boehly T R, Olson R E, Nikroo A, Celliers P M, Landen O L, Meverhofer D D 2010 Phys. Plasmas 17 012703
[13] Sun F G, Jiang Z P, Zhang X C 1998 Appl. Phys. Lett. 73 2233
[14] Kim K Y, Yellampalle B, Rodriguez G, Averitt R D, Taylor A J, Glownia J H 2006 Appl. Phys. Lett. 88 041123
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