Controlling the waveform of ultrashort infrared pulses
An international team of laser physicists of the attoworld team at LMU and the Max Planck Institute of Quantum Optics has achieved unprecedented control over light pulses in the mid-infrared wavelength range......»»
NASA"s compact infrared cameras enable new science
A new, higher-resolution infrared camera outfitted with a variety of lightweight filters could probe sunlight reflected off Earth's upper atmosphere and surface, improve forest fire warnings, and reveal the molecular composition of other planets......»»
Researchers elucidate ultrafast laser-induced solid-to-overdense-plasma transitions
The interaction of solids with high-intensity ultra-short laser pulses has enabled major technological breakthroughs over the past half-century. On the one hand, laser ablation of solids offers micromachining and miniaturization of elements in medica.....»»
Uneven strain distribution induces detwinning in penta-twinned nanoparticles
Twinned nanoparticles have regions of clear symmetry that share the same crystal lattice, separated by a clear boundary. Changing the twin structure can affect the properties of the nanoparticles, which makes controlling twinning to create tailored n.....»»
Solid-state polymer heat pump gets rid of the heat itself
Polymer changes temperature, shape when charged, moving to where the heat needs to be. Enlarge (credit: Jorg Greuel) Heat pumps are the most energy-efficient way of controlling indoor temperature. By moving heat between.....»»
New rhizobia-diatom symbiosis solves long-standing marine mystery
Nitrogen is an essential component of all living organisms. It is also the key element controlling the growth of crops on land, as well as the microscopic oceanic plants that produce half the oxygen on our planet. Atmospheric nitrogen gas is by far t.....»»
Scientists create black arsenic visible infrared photodetectors
In recent years, the exceptional structure and fascinating electrical and optical properties of two-dimensional (2D) layered crystals have attracted widespread attention. Examples of such crystals include graphene, black phosphorus (BP), and transiti.....»»
Ultrathin samples with surface phonon polariton enhance photoinduced dipole force
A new study has been led by Prof. Xing-Hua Xia (State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University). While analyzing the infrared photoinduced force response of quartz, Dr. Jian Li.....»»
Daily Telescope: The Horsehead Nebula as we’ve never seen it before
Webb delivers with a new look on an iconic classic. Enlarge / The James Webb Space Telescope has captured the sharpest infrared images to date of one of the most distinctive objects in our skies, the Horsehead Nebula. (credit:.....»»
Launch date set for NASA"s PREFIRE mission to study polar energy loss
NASA and Rocket Lab are targeting no earlier than Wednesday, May 22, 2024, for the first of two launches of the agency's PREFIRE (Polar Radiant Energy in the Far-InfraRed Experiment) mission to study heat loss to space in Earth's polar regions......»»
Pump-probe high-harmonic spectroscopy could catch geometric phase effect around conical intersection in molecule: Study
A collaborative research team from Nanjing University of Science and Technology (NJUST) and East China Normal University (ECNU) has theoretically proposed that a pump-probe high-harmonic spectroscopy (HHS) driven by VUV-IR pulses can catch the geomet.....»»
Webb captures iconic Horsehead Nebula in unprecedented detail
The NASA/ESA/CSA James Webb Space Telescope has captured the sharpest infrared images to date of one of the most distinctive objects in our skies, the Horsehead Nebula. These observations show a part of the iconic nebula in a whole new light, capturi.....»»
James Webb captures the edge of the beautiful Horsehead Nebula
A new image from the James Webb Space Telescope shows the sharpest infrared view to date of a portion of the famous Horsehead Nebula......»»
Scientists combine a spatially distributed sediment delivery model and biogeochemical model to estimate fluxes by water
Water erosion is the most active process controlling soil formation and evolution, which can affect the redistribution of carbon between terrestrial, aquatic, and atmospheric ecosystems. Erosion-induced organic carbon dynamic process should not be mi.....»»
IRIS beamline at BESSY II gets a new nanospectroscopy end station
The IRIS infrared beamline at the BESSY II storage ring now offers a fourth option for characterizing materials, cells and even molecules on different length scales. The team has extended the IRIS beamline with an end station for nanospectroscopy and.....»»
Mechanism of grafting Prunus sp. to control crown gall disease by regulating the rhizosphere environment
Grafting is a traditional and significant strategy to suppress soil-borne diseases, such as the crown gall disease caused by tumorigenic Agrobacterium and Rhizobium. Root exudates and the rhizosphere microbiome play critical roles in controlling crow.....»»
A molecular fingerprint beyond the Nyquist frequency
Ultrashort pulses play a significant role in spectroscopic applications. Their broad spectral bandwidth enables simultaneous characterization of the sample at various frequencies, eliminating the need for repeated measurements or laser tuning. Moreov.....»»
New HomePod part leak shows off glossy display cover
Apple has been long rumored to be working on a HomePod with a full touch display that can show more than a waveform, and a new leak offers a look at the potential glossy display glass.HomePod could get a new displayThe HomePod and HomePod mini have a.....»»
Improved mid-infrared nanoscopy enables 30 times clearer view of the insides of bacteria
A team at the University of Tokyo have constructed an improved mid-infrared microscope, enabling them to see the structures inside living bacteria at the nanometer scale. Mid-infrared microscopy is typically limited by its low resolution, especially.....»»
Attosecond imaging made possible by short and powerful laser pulses
Extremely short pulses of laser light with a peak power of 6 terawatts (6 trillion watts)—roughly equivalent to the power produced by 6,000 nuclear power plants—have been realized by two RIKEN physicists. This achievement will help further develo.....»»
Team reports on ultrafast laser state active controlling based on anisotropic quasi-1D material
Tunable ultrafast lasers with adjustable parameters, such as wavelength, intensity, pulse width and laser states are desirable as next-generation intelligent light sources. Due to complex nonlinear effects within the ultrafast system, it is challengi.....»»