The variations of the effective refraction index, film thinknessand UV-visible light absorption spectrum of DR1/PMMA polymer waveguides exposured under UV are discussed in detail.

• 详细讨论了DR1/PMMA聚合物波导在紫外光照射下，各个模式的有效折射率，薄膜厚度，以及紫外可见吸收谱的变化情况。