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http://dx.doi.org/10.3807/KJOP.2002.13.6.515

The variation of optical pass length between incident and reflective beam in multilayer thin film  

김문환 (신라대학교 공과대학 자동차기계공학과)
최영규 (신라대학교 공과대학 광전자공학과)
Publication Information
Korean Journal of Optics and Photonics / v.13, no.6, 2002 , pp. 515-520 More about this Journal
Abstract
The variation of the optical pass length between incident and reflective beam in a multilayer thin film reflection mirror is investigated. This variation is caused mainly by environmental parameters around the optical system, such as the air pressure, temperature, humidity and $CO_2$concentration. In this paper, a new method for measuring optical pass length variation is proposed. This optical pass length is measured against the above parameters by experiment. From the experimental results, it is clarified that the optical pass length is mostly effected by humidity changes.
Keywords
optical; phase; angle/multilayer; thin; film;
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Times Cited By KSCI : 2  (Citation Analysis)
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