Prism coupling technique investigation of elasto-optical properties of thin polymer films
Yükleniyor...
Tarih
2004
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Amer Inst Physics
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
The use of thin polymer films in optical planar integrated optical circuits is rapidly increasing. Much interest, therefore, has been devoted to characterizing the optical and mechanical properties of thin polymer films. This study focuses on measuring the elasto-optical properties of three different polymers; polystyrene, polymethyl-methacrylate, and benzocyclobutane. The out-of-plane elastic modulus, refractive index, film thickness, and birefringence of thin polymer films were determined by means of the prism coupling technique. The effect of the applied stress on the refractive index and birefringence of the films was investigated. Three-dimensional finite element method analysis was used so as to obtain the principal stresses for each polymer system, and combining them with the stress dependent refractive index measurements, the elasto-optic coefficients of the polymer films were determined. It was found that the applied stress in the out-of-plane direction of the thin films investigated leads to negative elasto-optic coefficients, as observed for all the three thin polymer films. (C) 2004 American Institute of Physics.
Açıklama
Kocabas, Coskun/0000-0003-0831-5552; Ay, Feridun/0000-0003-2255-1156; Kocabas, Askin/0000-0002-6930-1202
Anahtar Kelimeler
Kaynak
Journal Of Applied Physics
WoS Q Değeri
Q1
Scopus Q Değeri
Q1
Cilt
96
Sayı
12
Künye
Feridun Ay, Askin Kocabas, Coskun Kocabas, Atilla Aydinli, Sedat Agan; Prism coupling technique investigation of elasto-optical properties of thin polymer films. J. Appl. Phys. 15 December 2004; 96 (12): 7147–7153.
