APPLICATION AND COMPARISON OF ALGORITHMS FOR THE EVALUATION OF INTERFEROGRAMS .3. ESTIMATION OF REFRACTIVE-INDEX CHANGES IN POLYMER-FILMS INDUCED BY INTERACTION WITH ORGANIC-SOLVENT MOLECULES

被引:4
作者
KRAUS, G
KLOTZ, A
SEEMANN, J
SPAETH, K
GAUGLITZ, G
机构
[1] Institute for Physical and Theoretical Chemistry, University of Tübingen, Tübingen, D-72076
来源
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1995年 / 352卷 / 05期
关键词
D O I
10.1007/BF00323361
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Organic molecules are easily absorbed by polymers. This interaction induces changes in the volume and the refractive index of the resulting mixture phase. The change in the bulk refractive index is directly related to the volume fraction of the organic substance in the resulting mixture, It is essential for an understanding of the underlying phenomena to study the change in volume and the change in refractive index separately. A novel method is presented to separate both effects by white light interferometric measurements on thin polymer films. This method is based on a spectral fitting of amplitude and phase shift effects in the interferograms.
引用
收藏
页码:426 / 430
页数:5
相关论文
共 11 条
[1]   INVESTIGATION OF EFFECTIVE-MEDIUM MODELS OF MICROSCOPIC SURFACE-ROUGHNESS BY SPECTROSCOPIC ELLIPSOMETRY [J].
ASPNES, DE ;
THEETEN, JB .
PHYSICAL REVIEW B, 1979, 20 (08) :3292-3302
[2]   2-STEP REGRESSION PROCEDURE FOR THE OPTICAL CHARACTERIZATION OF THIN-FILMS [J].
BABU, SV ;
DAVID, M ;
PATEL, RC .
APPLIED OPTICS, 1991, 30 (07) :839-846
[3]  
CORNILLA C, 1995, UNPUB C P EUROSENS S
[4]   A REFLECTOMETRIC SENSOR FOR AMMONIA AND HYDROCARBONS [J].
GAUGLITZ, G ;
KRAUS, G .
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 1993, 346 (6-9) :572-576
[5]   CHEMICAL AND BIOCHEMICAL SENSORS BASED ON INTERFEROMETRY AT THIN (MULTI-)LAYERS [J].
GAUGLITZ, G ;
BRECHT, A ;
KRAUS, G ;
NAHM, W .
SENSORS AND ACTUATORS B-CHEMICAL, 1993, 11 (1-3) :21-27
[6]   DETERMINATION OF PARTITION-COEFFICIENTS FROM SURFACE ACOUSTIC-WAVE VAPOR SENSOR RESPONSES AND CORRELATION WITH GAS-LIQUID CHROMATOGRAPHIC PARTITION-COEFFICIENTS [J].
GRATE, JW ;
SNOW, A ;
BALLANTINE, DS ;
WOHLTJEN, H ;
ABRAHAM, MH ;
MCGILL, RA ;
SASSON, P .
ANALYTICAL CHEMISTRY, 1988, 60 (09) :869-875
[7]   APPLICATION AND COMPARISON OF ALGORITHMS FOR THE EVALUATION OF INTERFEROGRAMS [J].
KRAUS, G ;
GAUGLITZ, G .
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 1992, 344 (4-5) :153-157
[8]   APPLICATION AND COMPARISON OF ALGORITHMS FOR THE EVALUATION OF INTERFEROGRAMS .2. ENHANCEMENT OF RIFS DETECTION BY FULL SPECTRUM EVALUATION (FSE) [J].
KRAUS, G ;
GAUGLITZ, G .
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 1994, 349 (05) :399-402
[9]   POLYMER-BASED RIFS SENSING - AN APPROACH TO THE INDIRECT MEASUREMENT OF ORGANIC POLLUTANTS IN WATER [J].
KRAUS, G ;
BRECHT, A ;
VASIC, V ;
GAUGLITZ, G .
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 1994, 348 (8-9) :598-601
[10]   SIMPLE METHOD FOR DETERMINATION OF OPTICAL-CONSTANTS N,K AND THICKNESS OF A WEAKLY ABSORBING THIN-FILM [J].
MANIFACIER, JC ;
GASIOT, J ;
FILLARD, JP .
JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1976, 9 (11) :1002-1004