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Related papers: Thermal Lensing Effects in Two-Photon Light-Sheet …

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Long baseline diffraction-limited optical aperture synthesis technology by interferometry plays an important role in scientific study and practical application. In contrast to amplitude (phase) interferometry, intensity interferometry --…

We study how the energy and momentum resolution of angle-resolved photoemission spectroscopy (ARPES) affects the linewidth, Fermi crossing, velocity, and curvature of the measured band structure. Based on the fact that the resolution…

Strongly Correlated Electrons · Physics 2015-06-16 G. Levy , W. Nettke , B. M. Ludbrook , C. N. Veenstra , A. Damascelli

We study the effects of gravitational lensing on the estimation of non-Gaussianity from the bispectrum of the cosmic microwave background (CMB) temperature anisotropies. We find that the effect of lensing on the bispectrum may qualitatively…

Cosmology and Nongalactic Astrophysics · Physics 2010-06-21 Duncan Hanson , Kendrick M. Smith , Anthony Challinor , Michele Liguori

Ox-LDL uptakes by macrophage play a critical role in the happening of atherosclerosis. Because of its low damage on observed cells and better signal-to- background ratio, two-photon excitation fluorescence microscopy is used to observe…

In an effort to increase spatial and temporal resolution of ultrafast electron diffraction and microscopy, ultra-high brightness photocathodes are actively sought to improve electron beam quality. Beam dynamics codes often approximate the…

Accelerator Physics · Physics 2021-09-01 M. Gordon , S. B. van der Geer , J. Maxson , Y. -K. Kim

Atomically thin two-dimensional molybdenum disulfide (MoS2) sheets have attracted much attention due to their potential for future electronic applications. They not only present the best planar electrostatic control in a device, but also…

In this tutorial, we aim to directly recreate some of our "aha" moments when exploring the impact of heat diffusion on the spatial resolution limit of photothermal imaging. Our objective is also to communicate how this physical limit can…

Numerical Analysis · Mathematics 2023-10-24 Peter Burgholzer , Johannes Bauer-Marschallinger , Mike Hettich , Markus Haltmeier

In this work, we systematically investigated the ultrafast optical properties of aluminum (Al) thin films on silicon cantilevers using a microscopic femtosecond optical pump-probe technique to explore the effect of light irradiation upon…

Optics · Physics 2023-04-11 Takuto Ichikawa , Aizitiaili Abulikemu , Muneaki Hase

Light-sheet microscopes must compromise between field of view, optical sectioning, resolution, and detection efficiency. High-numerical-aperture (NA) detection objective lenses provide high resolution but their narrow depth of field fails…

The ability to tune the wavelength of light emission on a silicon chip is important for scalable photonic networks, distributed photonic sensor networks and next generation computer architectures. Here we demonstrate light emission in a…

This article is the second in a pair of articles on the topic of the generation of a two-color artificial star (which we term a "laser photometric ratio star," or LPRS) of de-excitation light from neutral sodium atoms in the mesosphere, for…

Instrumentation and Methods for Astrophysics · Physics 2021-10-26 J. Albert , D. Budker , K. Chance , I. E. Gordon , F. Pedreros Bustos , M. Pospelov , S. M. Rochester , H. R. Sadeghpour

The extrinsic size effect in Piezoresponse Force Microscopy of ferroelectric and piezoelectric thin films on non-polar dielectric substrate is analyzed. Analytical expressions for effective piezoresponse, object transfer function…

Materials Science · Physics 2009-11-13 Anna N. Morozovska , Sergei V. Svechnikov , Eugene A. Eliseev , Sergei V. Kalinin

Imaging with a layered superlens is a spatial filtering operation characterized by the point spread function (PSF). We show that in the same optical system the image of a narrow sub-wavelength Gaussian incident field may be surprisingly…

Optics · Physics 2010-04-08 Rafal Kotynski , Tomasz Stefaniuk

Previously we considered the effect of experimental parameters on optimized transmission through opaque media using spatial light modulator (SLM)-based wavefront shaping. In this study we consider the opposite geometry, in which we optimize…

Optics · Physics 2016-04-25 Benjamin R. Anderson , Ray Gunawidjaja , Hergen Eilers

Fourier ptychographic (FP) microscope is a coherent imaging method that can synthesize an image with a higher bandwidth using multiple low-bandwidth images captured at different spatial frequency regions. The method's demand for multiple…

Optics · Physics 2016-03-25 Jaebum Chung , Hangwen Lu , Xiaoze Ou , Haojiang Zhou , Changhuei Yang

The existence of primordial magnetic fields can induce matter perturbations with additional power at small scales as compared to the usual $\Lambda$CDM model. We study its implication within the context of two-point shear correlation…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Kanhaiya L. Pandey , Shiv K. Sethi

Three-photon (3-P) fluorescence microscopy enables deep in vivo imaging with subcellular resolution, but its performance is fundamentally constrained by the maximum permissible laser power required to avoid tissue heating and photodamage.…

Optics · Physics 2026-03-04 Qi Hu , Jingyu Wang , Huriye Atilgan , Armin Lak , Martin J. Booth

Dissipation and decoherence of quantum systems in thermal environments is important to various spectroscopies. It is generally believed that dissipation can broaden the line shape of spectroscopies, and thus stronger system-bath interaction…

Quantum Physics · Physics 2024-05-07 Ru-Qiong Deng , Cheng-Ge Liu , Yi-Xuan Yao , Jing-Yi-Ran Jin , Hao-Yue Zhang , Yin Song , Qing Ai

We report the reduction of the thermal lensing in cryogenic sapphire mirrors, which is planed to be used in the Large scale Cryogenic Gravitational wave Telescope (LCGT) project. We measured three key parameters of sapphire substrate for…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Takayuki Tomaru , Toshikazu Suzuki , Shinji Miyoki , Takashi Uchiyama , C. T. Taylor , Akira Yamamoto , Takakazu Shintomi , Masatake Ohashi , Kazuaki Kuroda

In recent years, Raman spectroscopy of two-dimensional (2D) materials has been conducted. However, only a small portion of those studies note the full width half maximum (FWHM) of these 2D materials. FWHM is an indicator of phonon…

Optics · Physics 2024-07-31 Elham Easy , Jeric Hernandez , Tseng-Ming Chou , Xian Zhang