Depolarization artifacts in dual rotating-compensator Mueller matrix ellipsometry

被引:31
作者
Li, Weiqi [1 ]
Zhang, Chuanwei [1 ,2 ]
Jiang, Hao [1 ]
Chen, Xiuguo [1 ]
Liu, Shiyuan [1 ,2 ]
机构
[1] Huazhong Univ Sci & Technol, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Peoples R China
[2] Wuhan Eopt Technol Co Ltd, Wuhan 430075, Peoples R China
基金
中国国家自然科学基金;
关键词
depolarization; dual rotating-compensator; Mueller matrix ellipsometry; finite bandwidth; correction; measurement accuracy; CALIBRATION; POLARIMETRY; ERRORS;
D O I
10.1088/2040-8978/18/5/055701
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Noticeable depolarization effects are observed in the measurement of the air using an in-house developed dual rotating-compensator Mueller matrix ellipsometer. We demonstrate that these depolarization effects are essentially artifacts and mainly induced when the compensator with wavelength-dependent optical properties is integrated with the finite bandwidth detector. We define a general formula to represent the actual Mueller matrix of the compensator by taking into account the depolarization artifacts. After incorporating this formula into the system model, a correction method is further proposed, and consequently, improved accuracy can be achieved in the Mueller matrix measurement.
引用
收藏
页数:7
相关论文
共 21 条
[1]  
Azzam R. M. A., 1977, Ellipsometry and polarized light
[2]   Optical anisotropies of single-meander plasmonic metasurfaces analyzed by Mueller matrix spectroscopy [J].
Berrier, Audrey ;
Gompf, Bruno ;
Fu, Liwei ;
Weiss, Thomas ;
Schweizer, Heinz .
PHYSICAL REVIEW B, 2014, 89 (19)
[3]   Systematic errors for a Mueller matrix dual rotating compensator ellipsometer [J].
Broch, Laurent ;
Naciri, Aotmane En ;
Johann, Luc .
OPTICS EXPRESS, 2008, 16 (12) :8814-8824
[4]   Multichannel Mueller matrix ellipsometry for simultaneous real-time measurement of bulk isotropic and surface anisotropic complex dielectric functions of semiconductors [J].
Chen, C ;
An, I ;
Collins, RW .
PHYSICAL REVIEW LETTERS, 2003, 90 (21) :4-217402
[5]   Accurate characterization of nanoimprinted resist patterns using Mueller matrix ellipsometry [J].
Chen, Xiuguo ;
Liu, Shiyuan ;
Zhang, Chuanwei ;
Jiang, Hao ;
Ma, Zhichao ;
Sun, Tangyou ;
Xu, Zhimou .
OPTICS EXPRESS, 2014, 22 (12) :15165-15177
[6]   Depolarization effects from nanoimprinted grating structures as measured by Mueller matrix polarimetry [J].
Chen, Xiuguo ;
Zhang, Chuanwei ;
Liu, Shiyuan .
APPLIED PHYSICS LETTERS, 2013, 103 (15)
[7]   Dual rotating-compensator multichannel ellipsometer: instrument design for real-time Mueller matrix spectroscopy of surfaces and films [J].
Collins, RW ;
Koh, J .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, 1999, 16 (08) :1997-2006
[8]   Characterization of grating structures by Mueller polarimetry in presence of strong depolarization due to finite spot size [J].
Foldyna, M. ;
De Martino, A. ;
Ossikovski, R. ;
Garcia-Caurel, E. ;
Licitra, C. .
OPTICS COMMUNICATIONS, 2009, 282 (05) :735-741
[9]  
Fujiwara H., 2009, SPECTROSCOPIC ELLIPS
[10]   Effect of Bandwidth and Numerical Aperture in Optical Scatterometry [J].
Germer, Thomas A. ;
Patrick, Heather J. .
METROLOGY, INSPECTION, AND PROCESS CONTROL FOR MICROLITHOGRAPHY XXIV, 2010, 7638