Results 231 to 240 of about 402,124 (271)

External Reflection From Two‐Photon Laser‐Printed Micromirrors Enables Photomechanical Actuation at a 90° Incident Angle

Advanced Functional Materials, EarlyView.
Light reflectance increases along incidence angle and transmittance significantly drops around 90‐degree incidence angle. Here, we report two‐photon laser printed micro mirrors that redirect the skimming light beam into normal light absorption. Using this technique, light‐driven micro walkers and grippers are demonstrated by using grazing incidence ...
Leilei Song, Jianfeng Yang, Hao Zeng
wiley   +1 more source

Intelligent decision-making framework for selecting optimized substitution boxes in modern block cipher design. [PDF]

Sci Rep
Khan M.
europepmc   +1 more source

Two‐Way Shape Memory Alloy and Polymer Composite Hybrid Smart Actuator With High Speed, Accuracy, and Reversible Deformation

Advanced Functional Materials, EarlyView.
Tailored thermo‐mechanical properties of shape memory polymer composites enable large reversible deformation as well as high actuation speed. Moreover, a structural design with curvature in the transverse direction achieves sub‐second actuation on heating and a larger recovery ratio on cooling. Finally, these newly developed smart two‐way actuators can
Dajeong Kang, Seong Yeon Park, Yitro Samuel Aditya, Ha Eun Lee, Wonvin Kim, Sangyoon Bae, Seong Su Kim   +6 more
wiley   +1 more source

Strong broadband intensity noise squeezing from infrared to terahertz frequencies in lasers with nonlinear dissipation. [PDF]

Nanophotonics
Pontula S, Sloan J, Rivera N, Soljačić M.   +3 more
europepmc   +1 more source

Suppression of Low-Frequency Tones in the Organ of Corti Vibrations of the Basal Turn in the Mongolian Gerbil Cochlea. [PDF]

J Assoc Res Otolaryngol
Siegel JH, He W, Ren T.
europepmc   +1 more source

Octave-spanning supercontinuum generation from sub-millimeter-length integrated gallium phosphide waveguides. [PDF]

Nat Commun
Zhang X, Cheng W, Wang C, Ding N, Zhao Q, Su Y, Ji X.   +6 more
europepmc   +1 more source

Effect of gravity and variable thermal conductivity in a thermoelastic half space with dual phase lag model. [PDF]

Sci Rep
Bajaj S, Shrivastav AK, Somvanshi A, Saini GL.   +3 more
europepmc   +1 more source

Terahertz Electronic and Spin Currents in Wafer-Scale Van der Waals Bi₂Se₃/WSe₂ Heterostructures and Polymorphs. [PDF]

Adv Mater
Mičica M, Wright A, Massabeau S, Ayari S, Rongione E, Ribeiro MO, Husain S, Sharma R, Denneulin T, Dunin-Borkowski RE, Mangeney J, Tignon J, Lebrun R, Okuno H, Boulle O, Marty A, Bonell F, Carosella F, Jaffrés H, Ferreira R, George JM, Jamet M, Dhillon S.   +22 more
europepmc   +1 more source

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Nonlinear Risk

SSRN Electronic Journal, 1999
This paper analyzes the joint time-series properties of the level and volatility of expected excess stock returns. An unobservable dynamic factor is constructed as a nonlinear proxy for the market risk premia with its first moment and conditional volatility driven by a latent Markov variable.
Marcelle Chauvet, Simon M. Potter
openaire   +3 more sources

Nonlinear optics

Proceedings of the IEEE, 1966
Recent advances in the field of nonlinear optical phenomena are reviewed with particular emphasis placed on such topics as parametric oscillation, self-focusing and trapping of laser beams, and stimulated Raman, Rayleigh, and Brillouin scattering.
R W, Minck, R W, Terhune, C C, Wang
openaire   +2 more sources