Bragg grating formation in polyimide waveguide by ultraviolet light irradiation

被引：0
作者：
Ojima, S [1 ]
Hatano, T
Kintaka, K
Nishi, J
机构：
[1] Minolta Co Ltd, Opt Technol Div, Osaka 5698503, Japan
[2] Natl Inst Adv Ind Sci & Technol, Photon Res Inst, Osaka 5638577, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2002年 / 41卷 / 11A期
关键词：
polyimide; waveguide; refractive index; ultraviolet light; Bragg grating;
D O I：
10.1143/JJAP.41.6390
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The refractive index of polyimide can be changed by irradiation with ultraviolet light. The amount of change in refractive index is > 10(-3). The Kramers-Kronig model can explain the mechanism. Utilizing this phenomenon, Bragg gratings can be fabricated in a polyimide waveguide by irradiation with an ultraviolet laser beam. It has a possibility of application in tunable wavelength filters because polyimide has a birefringent characteristic and a large thermooptical constant.
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收藏
页码：6390 / 6393
页数：4
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