Abstract

We report full-field depth-resolved holographic imaging through scattering media by use of a photorefractive polymer device in the near infrared. Real-time images through seven scattering mean free paths are acquired in a few seconds with a broadband superluminescent diode at $794\mathrm{nm}$. A depth resolution of $15\mu \mathrm{m}$ and a transverse resolution of better than $42\mu \mathrm{m}$ are achieved. The photorefractive devices used are based on a poly(N-vinylcarbazole):2,4,7-trinitro-9-fluorenone dimalenitrile charge-transport network doped with the electro-optic chromophore 1-($2^{\prime }$-ethylhexyloxy)-2,5-dimethyl-4-($4^{″}$-nitrophenylazo)benzene.

© 2005 Optical Society of America

Depth-resolved holographic imaging through scattering media by photorefraction

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