Results 221 to 230 of about 3,766,641 (291)

Analysis of refractive index sensing properties of independently and arbitrarily tunable multiplexed compound supercell gratings. [PDF]

Sci Rep
Abudula A, Fang Y, Tuxun H, Tuersun P.
europepmc   +1 more source

Unlocking Terahertz Steganography: Authentication of Hidden Images in Flexible Media

Advanced Materials Technologies, EarlyView.
Hidden information in multilayered devices, such as steganographic portraits, is detected and authenticated using reflection‐mode terahertz time‐domain imaging. Image reconstruction relies on a dedicated figure‐of‐merit obtained by integrating the signal intensity over the time‐window associated with the reflection from the metallic mirror backing the ...
Tiziana Ritacco, Francesca Vittorioso, Dimitrios C. Zografopoulos, Romeo Beccherelli, Walter Fuscaldo   +4 more
wiley   +1 more source

All dielectric etalon based metasurfaces optimized for high FOM refractive index sensing. [PDF]

Sci Rep
Roostaei N, Monfared SA.
europepmc   +1 more source

Dual-resonance optical fiber lossy mode resonance refractive index sensor. [PDF]

PLoS One
Wu X, Dai X, Wang J, Ren H, Wang X.
europepmc   +1 more source

A tunable graphene terahertz sensor with high sensitivity and figure of merit for refractive index biosensing. [PDF]

Sci Rep
Abdollahvand M, Azadi AH, Ebrahimifard A, Heidarzadeh H.   +3 more
europepmc   +1 more source

Computational discovery and experimental validation of high-refractive index HfS₂ nanoresonators. [PDF]

Sci Adv
Zambrana-Puyalto X, Svendsen MK, Søndersted AH, Sarbajna A, Sandberg JP, Riber AL, Ermolaev G, Boland TM, Tselikov G, Volkov VS, Thygesen KS, Raza S.   +11 more
europepmc   +1 more source

Model-Guided Design and Solvent-Free Synthesis of Polysiloxanes with High Refractive Index and Low Viscosity. [PDF]

Chem Bio Eng
Zhong D, Jie S, Du M, Pan P, Shan G.
europepmc   +1 more source

Analytic Fourier ptychotomography for aberration-free and high-resolution volumetric refractive index imaging. [PDF]

Nat Commun
Dong Z, Zhou H, Cao R, Zhang O, Zhao S, Lyu P, Alcalde R, Yang C.   +7 more
europepmc   +1 more source

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Index of refraction of germanium

Applied Optics, 2020
Measurements of the index of refraction of a sample of high-quality, single-crystal germanium using the minimum deviation refractometry method are presented for temperatures near 22°C and for wavelengths in the range 2 to 14 µm. The standard uncertainty for the measurements ranges from 1.5 × 10 −
John H, Burnett, Eric C, Benck, Simon G, Kaplan, Erik, Stover, Adam, Phenis   +4 more
openaire   +2 more sources

On the Refractive Index of the Retina.

Acta Physiologica Scandinavica, 1947
Summary.1. As a rule the refractive index for dark adapted retinae of cows was 1.358.2. In a material of 321 cases the light adapted retina's index was 1.3610 ± 0.0008.3. The experiments carried out support the supposition expressed by Kühne Aand Ewald that visual purple exudes water when it is bleached.
openaire   +2 more sources