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《Acta Photonica Sinica》 2005-01
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Research on a New Adjustment Technique of Playback Wavelength of MBDCG Lippmann Hologram

Dong Guangxing 1,2, Zhu Jianhua 1,Guo Xiaowei 1, Wan Lei 11 Institute of Information Optics, Department of Physics,Sichuan University, Chengdu 6100642 Department of Physics, Hexi University , Zhangye Gansu 734000  
A new technique was presented for adjusting the playback wavelength of Lippmann holograms recorded in methylene-blue sensitized dichromated gelatin(MBDCG). The main feature of this technique is introducing a water-soluble organic reagent into MBDCG photosensitive layer as preswelling reagent and wavelength adjuster. This method has wide wavelength adjustment range (up to 200 nm) and high signal-to-noise ratio, can be applied to quantitatively adjust the playback wavelength of reflection hologram by changing the concentration of preswelling reagent. Its possible applications include color image display, holographic optical elements, and optical anti-counterfeiting.
【Fund】: 国家自然科学基金资助项目 (6 0 0 0 70 0 2 )
【CateGory Index】: O438.1
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