Direct Fabrication of Surface Relief Holographic Diffusers in Azobenzene Polymer Films

Direct Fabrication of Surface Relief Holographic Diffusers in Azobenzene Polymer Films
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DOI:
10.1007/s10043-005-0383-5
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发表时间:
2005-10
期刊:
影响因子:
1.2
通讯作者:
Daisuke Sakai;K. Harada;S. Kamemaru;M. El-Morsy;M. Itoh;T. Yatagai
Daisuke Sakai;K. Harada;S. Kamemaru;M. El-Morsy;M. Itoh;T. Yatagai
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Daisuke Sakai;K. Harada;S. Kamemaru;M. El-Morsy;M. Itoh;T. Yatagai

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我们提出了一种利用偶氮苯聚合物薄膜直接制造光漫射器的方法。通过源扩散材料,在Nd:YAG激光(532 nm)照射下,在聚合物薄膜上形成了表面浮雕扩散体的全息记录。无需后处理,加热或照射均匀激光束即可擦除。扩散模式可以通过激光的偏振来控制。在633 nm波长处透光率超过88%。
We propose a direct fabrication of light diffusers using azobenzene polymer films. Holographic recordings of surface relief diffusers are formed on the polymer film by exposure to an Nd:YAG laser (532 nm) through source diffusion materials. No post-treatment is needed, and it can be erased by heating or irradiating uniform laser beam. Diffusion pattern can be controlled by the polarization of the laser. Transmittance of over 88% is obtained at the wavelength of 633 nm.