Browsing by Author "Hung, CS"

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A three-intensity technique for polarizer-sample-analyser photometric ellipsometry and polarimetry
(1998-08-21)
Chao, YF
;
Lee, WC
;
Hung, CS
;
Lin, JJ
;
交大名義發表
This work presents a novel three-intensity-measurement technique to determine the ellipsometric parameters psi and Delta in a polarizer-sample-analyser photometric ellipsometer. This technique can be employed to correct the azimuthal misalignment of the analyser with respect to the plane of incidence. By performing two sets of measurements with this technique with the polarizer's azimuth at +45 degrees and -45 degrees, respectively, we can simultaneously determine the azimuthal deviation of the polarizer and further improve the ellipsometric measurements. Applying this technique in the transmission mode allows us to obtain the phase retardation and the optical axis of a waveplate at the same time.
On the existence of hyper-L triple-loop networks
(2006-06-28)
Chen, CY
;
Hung, CS
;
Tang, WS
;
應用數學系
;
Department of Applied Mathematics
Aguilo-Gost [New dense families of triple loop Networks, Discrete Math. 197/198 (1999) 15-27] has presented a new type of hyper-L tiles and used it to derive a new dense family of triple-loop networks. While Aguilo-Gost's hyper-L tile seems to be a promising tool for studying the triple-loop networks, we need to verify that the hyper-L tile producing good result is indeed the MDD of some triple-loop network. In this paper, we give necessary and sufficient conditions for the existence of Aguilo-Gost's hyper-L triple-loop networks and we correct some flaws in [F. Aguilo-Gost, New dense families of triple loop networks, Discrete Math. 197/198 (1999) 15-27]. (c) 2006 Elsevier B.V. All rights reserved.