Chinese Optics Letters, Vol. 3, Issue 5, 05268 (2005)
A wideband sensitive holographic photopolymer
Mingju Huang1,2,*, Sulian Wang2, Airong Wang2, Qiaoxia Gong1, and Fuxi Gan1
- 1Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
- 2Department of Physics, Henan University, Kaifeng 475001
A novel wideband sensitive dry holographic photopolymer sensitized by rose bengal (RB) and methylene blue (MB) is fabricated, the holographic storage characteristics of which are investigated under different exposure wavelengths. The result shows that the sensitive spectral band exceeds 200 nm in visible light range, the maximum diffraction efficiency under different exposure wavelengths is more than 40% and decreases with the decrease of exposure wavelength, the exposure sensitivity is not change with the exposure wavelength. This photopolymer is appropriate for wavelength multiplexing or multi-wavelength recording in digital holographic storage.