Infrared photorefractive polymers and their applications for imaging.
Photorefractive polymers with high diffraction efficiency in the visible and near-infrared regions of the electromagnetic spectrum have been developed. These polymers, which have a large dynamic range because of their high orientational birefringence, incorporate a dye designed to have a large dipole moment and a high linear polarizability anisotropy. Such polymers have enabled demonstrations of imaging through scattering media, using a holographic time-gating technique at a wavelength that is compatible with the transparency of biological tissues and with the emission of low-cost semiconductor laser diodes.
Kippelen
B
B
Optical Sciences Center, University of Arizona, Tucson, AZ 85721, USA. nnp@u.arizona.edu
Marder
S R
SR
Hendrickx
E
E
Maldonado
J L
JL
Guillemet
G
G
Volodin
B L
BL
Steele
D D
DD
Enami
Y
Y
Sandalphon
Yao
Y J
YJ
Wang
J F
JF
Röckel
H
H
Erskine
L
L
Peyghambarian
N
N
D001718:Birefringence; D004396:Coloring Agents; D003952:Diagnostic Imaging / Q000379:methods*; D007091:Image Processing, Computer-Assisted; D007259:Infrared Rays; D007834:Lasers; D011108:Polymers; D012031:Refractometry; D012542:Scattering, Radiation; D013696:Temperature
D004396:Coloring Agents; D011108:Polymers