PLZT ceramics as optical phantom for simulation of light scattering in eye segments and other biological tissues

Ivazs Lacis; Maris Ozolinsh

doi:10.1117/12.339185

12 February 1999 PLZT ceramics as optical phantom for simulation of light scattering in eye segments and other biological tissues

Ivazs Lacis, Maris Ozolinsh

Author Affiliations +

Proceedings Volume 3567, Optical and Imaging Techniques for Biomonitoring IV; (1999) https://doi.org/10.1117/12.339185
Event: BiOS Europe '98, 1998, Stockholm, Sweden

Abstract

Coefficients of light absorption (mu) _a and scattering (mu) _s for biological tissues lie within a broad range. Minimum ones foe healthy eye tissues up to higher values (f.e.(mu) _aequals 0.3 cm ^-1 and (mu) _s equals 40 cm ₁ at 633 nm for muscle tissues $1)) for other and mainly turbid tissues. The specific feature of the transparent PLZT ceramics (having absorption (mu) _a>0.1 cm ^-1 in the visible and in the near infrared spectrum range) is electrically controlled light scattering. The present work reports on experimental results of the light transport and backscattering for PLZT 9/65/35 (Pb_0.91La_0.09Zr_0.65Ti_0.350₃). We propose PLZT ceramics with fast and continuously controllable light scattering as an optical phantom for photon migration studies and for scattering obstacles in vision disability tests.

Citation Download Citation

Ivazs Lacis and Maris Ozolinsh "PLZT ceramics as optical phantom for simulation of light scattering in eye segments and other biological tissues", Proc. SPIE 3567, Optical and Imaging Techniques for Biomonitoring IV, (12 February 1999); https://doi.org/10.1117/12.339185

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