Digital measurements of propagation loss in optical organic polymer waveguides

Yi Jiang; Zhuangqi Cao; Yingli Cheng

doi:10.1117/12.317968

12 August 1998 Digital measurements of propagation loss in optical organic polymer waveguides

Yi Jiang, Zhuangqi Cao, Yingli Cheng

Proceedings Volume 3551, Integrated Optoelectronics II; (1998) https://doi.org/10.1117/12.317968
Event: Photonics China '98, 1998, Beijing, China

Abstract

Many conventional methods to detect propagation losses in optical waveguides, such as Cut-Back Method and Prism-Sliding Method, are either destructive or inconvenient. Here we demonstrated a new method -- CCD camera photographing method. A CCD camera was used to take digital photographs of the light streak in the waveguides and the scattered-light intensity distribution is recorded. After fitting the intensity distribution into an exponential attenuate curve, the propagation loss finally can be calculated from the attenuation coefficient of the curve. Compared with other detecting methods, it is more convenient and accurate. In our experiment, samples of polymer waveguides with propagation losses less than 0.5 dB/cm were fabricated.

Citation Download Citation

Yi Jiang, Zhuangqi Cao, and Yingli Cheng "Digital measurements of propagation loss in optical organic polymer waveguides", Proc. SPIE 3551, Integrated Optoelectronics II, (12 August 1998); https://doi.org/10.1117/12.317968

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