The optics of a metal interference filter (student demonstration) Export

@article{citeulike:6083043, abstract = {In the teaching of interference produced by thin optical films a formula is often derived or quoted in which the path difference is a function of the angle of refraction in the film. The article describes an experiment devised to illustrate this aspect using a metal interference filter with a narrow passband. The experiment also demonstrates a practical application of the interference in thin films different to the usual experiments which depend on 'contour' thickness. In attempting to explain what appeared to be a small difference between experiment and simple theory, the author discovered the complexity of the reflection and refraction of light before being able to justify his initial theory and his analysis of the observations. The experiment is suitable at a simple level for most students but could be used at advanced levels for students of high calibre.}, author = {Cuttler, A. H.}, citeulike-article-id = {6083043}, citeulike-linkout-0 = {http://dx.doi.org/10.1088/0031-9120/11/1/005}, doi = {10.1088/0031-9120/11/1/005}, journal = {Physics Education}, keywords = {interference\_filter}, number = {1}, pages = {45--49}, posted-at = {2009-11-07 15:37:41}, priority = {2}, title = {The optics of a metal interference filter (student demonstration)}, url = {http://dx.doi.org/10.1088/0031-9120/11/1/005}, volume = {11}, year = {1976} }

TY - JOUR ID - citeulike:6083043 L3 - citeulike-article-id:6083043 N2 - In the teaching of interference produced by thin optical films a formula is often derived or quoted in which the path difference is a function of the angle of refraction in the film. The article describes an experiment devised to illustrate this aspect using a metal interference filter with a narrow passband. The experiment also demonstrates a practical application of the interference in thin films different to the usual experiments which depend on 'contour' thickness. In attempting to explain what appeared to be a small difference between experiment and simple theory, the author discovered the complexity of the reflection and refraction of light before being able to justify his initial theory and his analysis of the observations. The experiment is suitable at a simple level for most students but could be used at advanced levels for students of high calibre. IS - 1 JF - Physics Education EP - 49 TI - The optics of a metal interference filter (student demonstration) VL - 11 SP - 45 KW - interference_filter AU - Cuttler, AH PY - 1976/// UR - http://dx.doi.org/10.1088/0031-9120/11/1/005 ER -