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Superposition of Optical Fields in the Coherent Mode Representation
김기식 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.2
The superposition of two optical fields is analyzed in the framework of the coherent mode rep- resentation. The ensemble realization based on the sets of mode functions obtained from two individual fields is considered and the whole set of diferent superpositions is described in terms of cros corelations betwen two sets of random coefficients. The set of mode functions asociated with the superposed field may also lead to a different ensemble realization and the existence of two different ensemble realizations is discused.
김기식,윤창배 동국대학교 경주대학 1998 東國論集 Vol.17 No.1
식도 및 기도이물은 대부분 돌발적이고 부주의로 인한 것으로 이비인후과 영역에서 흔히 경험할 수 있으며, 때로는 치명적인 합병증을 초래할 수 있다. 따라서 조기진단과 즉각적이고 적절한 치료를 필요로 한다. 최근 저자들은 식도내 골편이물로 인한 반회신경의 압박으로 성대마비를 동반하였던 식도이물 1례와 식도이물로 오진할 수 있었던 기도이물 1례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Foreign bodies in food and air passages are one of the most frequently observed accidental cases in the otolaryngological fields, any may cause severe complications. Therefore, early diagnosis and prompt intensive therapy is needed to reduce morbidity and mortality. Recently, we experienced a case of esophageal foreign body which caused vocal cord paralysis and a case of bronchial foreign body which could be misdiagnosed as esophageal foreign body. This is the report of the cases with review of literatures.