Results 231 to 240 of about 176,754 (298)

A Low‐Cost, Handheld Optical Stiffness Sensor for Minimally Invasive Surgery

Advanced Robotics Research, EarlyView.
A novel handheld stiffness sensor is presented for real‐time tissue stiffness characterization. By simultaneously sensing contact force and tissue deformation, the device enables accurate stiffness quantification without requiring precise manual control. This approach offers a promising solution for intraoperative tumor detection and minimally invasive
Qianyu Ma, Ruxiang Jiang, Kaspar Althoefer, Nicolas Herzig, Hareesh Godaba   +4 more
wiley   +1 more source

Bright isolated light pulses reaching 18 attoseconds from high-order harmonic generation by post-compressed Yb lasers. [PDF]

Nat Commun
Gao J, Hasan M, Liang H, Guo Z, Zhang C, Tsai MS, Yuan Y, Eisenhutt Z, Keitel CH, Lin CD, Jin C, Liu Y, Chen MC, Han M.   +13 more
europepmc   +1 more source

Interference-Limited Absorption in Dense Molecular Nanolayers Near Reflecting Surfaces. [PDF]

J Phys Chem Lett
Zhou Z, Sukharev M, Nitzan A, Subotnik JE.   +3 more
europepmc   +1 more source

Shaping light in 3D for direct asymmetric photochemistry: a 1000-fold enantioselectivity enhancement. [PDF]

Nat Commun
Ordóñez A, García González D, Vindel-Zandbergen P, Ayuso D.   +3 more
europepmc   +1 more source

End-to-end design for full-color and large field-of-view computational holographic displays. [PDF]

Nat Commun
Wang Y, Yang T, Cheng D, Wang Y.
europepmc   +1 more source

Exciton Energy Routing via Defect Networks in hBN/2D Perovskite Hybrids. [PDF]

ACS Nano
Darbari S, Bittorf P, Multerer L, Chahshouri F, Darman P, Ruchka P, Giessen H, Taleb M, Abdi Y, Talebi N.   +9 more
europepmc   +1 more source

Mirror-Symmetric Organic Two-Dimensional Crystals for Alternative Photon Transport Pathways. [PDF]

Angew Chem Int Ed Engl
Li WH, Ma YX, Ye YP, Zhu YN, Lv Q, Wang XD.   +5 more
europepmc   +1 more source

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Light Scattering by Laser Mirrors

Applied Optics, 1967
The Beckmann theory of scattering is applied to laser mirrors. It is shown that the theory correctly predicts the wavelength dependence of scattering profiles. The theory can be used to obtain numbers (sigma and Tau) for a laser mirror which describe its scattering characteristics. Scattering measurements made on eleven laser mirrors are presented.
exaly   +3 more sources

Needles of Light Produced With a Spherical Mirror

Optics Letters, 2015
We describe how laterally confined and axially stretched needles of light can be produced by focusing a radially polarized annular optical beam with a spherical mirror. Our analysis is based on an extension of the Richards-Wolf formalism appropriate for nonaplanetic focusing systems operated under nonparaxial conditions. While maintaining their lateral
Simon Thibault
exaly   +3 more sources