TY - GEN
T1 - Achromatic micropolarizing filters for visible circular polarization bio-imaging
AU - Zhao, Xiaojin
AU - Bermak, Amine
AU - Boussaid, Farid
PY - 2011
Y1 - 2011
N2 - In this paper, we present a bio-inspired achromatic micropolarizing filters for extracting both right-handed and left-handed circularly polarized components of visible light. By assembling two patterned retarder layers with different retardations, the whole structure behaves as a patterned broadband quarter-wavelength retarder (QWR) across the whole visible spectrum with an overall mean square error (MSE) less than 0.01. Compared with previously reported micro-patterned circular-polarizing devices which only work for a very narrow spectrum band, the strict monochromatic requirement for the light source is completely removed. In addition, promising circular polarization-based imaging is made possible for the whole visible spectrum, enabling a wide range of bio-imaging applications, such as skin cancer diagnosis, biopsy and optical coherence tomography (OCT) imaging.
AB - In this paper, we present a bio-inspired achromatic micropolarizing filters for extracting both right-handed and left-handed circularly polarized components of visible light. By assembling two patterned retarder layers with different retardations, the whole structure behaves as a patterned broadband quarter-wavelength retarder (QWR) across the whole visible spectrum with an overall mean square error (MSE) less than 0.01. Compared with previously reported micro-patterned circular-polarizing devices which only work for a very narrow spectrum band, the strict monochromatic requirement for the light source is completely removed. In addition, promising circular polarization-based imaging is made possible for the whole visible spectrum, enabling a wide range of bio-imaging applications, such as skin cancer diagnosis, biopsy and optical coherence tomography (OCT) imaging.
UR - http://www.scopus.com/inward/record.url?scp=80053635454&partnerID=8YFLogxK
U2 - 10.1109/MWSCAS.2011.6026395
DO - 10.1109/MWSCAS.2011.6026395
M3 - Conference contribution
AN - SCOPUS:80053635454
SN - 9781612848570
T3 - Midwest Symposium on Circuits and Systems
BT - 54th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2011
T2 - 54th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2011
Y2 - 7 August 2011 through 10 August 2011
ER -