J

Ph.D candidate in Physics

[Optica Publishing Group @OpticaPubsGroup]

Via #OPG_OpEx: High stability double Stokes-Mueller polarimetry under oblique incidence https://t.co/FwE69r46DT #MuellerMatrices #GeneticAlgorithms @BIT1940

[kynd.info @kyndinfo]

Principal Component Analysis 主成分分析
[Math short write-up]
https://t.co/CKulZU34GM

[Physical Review Letters @PhysRevLett]

Complete background suppression in intensity autocorrelation measurements is possible with x-ray second-harmonic generation while minimizing the impact on time resolution down to 1 attosecond
Letter: https://t.co/v6lZNF3cc6
Synopsis: https://t.co/yed6wvoGOq

[nature @Nature]

When two graphene layers are twisted at a ‘magic angle’, their electrons can behave as both heavy and light particles

https://t.co/IWFUMkqEDC

[Optica Publishing Group @OpticaPubsGroup]

Via #OPG_OpticaQ: Optical spin tomography in a telecom C-band quantum dot https://t.co/hJJEdMHxdf #QuantumDots #EntanglementDistribution

[Physical Review Letters @PhysRevLett]

Twist and strain in square moiré patterns of stacked graphene layers #CoolVideo
https://t.co/Jogin6fWov

[Nature Photonics @NaturePhotonics]

New Article online: Three-dimensional super-resolution imaging with suppressed background via digital array modulation microscopy.

https://t.co/7iqEmhlWgA

[Mathematica @mathemetica]

Mastering 3D Rotations: The Essential Matrices!

Rotation around each axis beautifully captured:
Rx(φ): Tilting around X
Ry(θ): Pitching around Y
Rz(ψ): Yawing around Z

These are the fundamental building blocks of 3D transformations in computer graphics, robotics, physics, and beyond.

[LightSciAppl @LightSciAppl]

#LSA_Highlight: [Article] Open-source sub-nanometer stabilization system for super-resolution fluorescence microscopy. @UBAonline @LMU_Muenchen @WUT_edu @unifr @CONICETDialoga #Imaging_and_sensing #Super_resolution_microscopy
https://t.co/wMVAjvO6ht

[Optica Publishing Group @OpticaPubsGroup]

Via #OPG_JOSA_B: Simulation of ultrashort pulse propagation using geometrical optics https://t.co/lLZQ8vcXxW #GeometricalOptics #UltrashortPulses

[Bryan Kelly @BryanKeIIy]

Extended Quantum Tunnelling Distance in Planar Plasmonic Gaps https://t.co/I3L72zNPCu

[alon turing @chaumian]

Formalization of QFT https://t.co/4ZQaQ7nVJW

[Optica Publishing Group @OpticaPubsGroup]

An Editors' Pick via #OPG_OL: Single-shot picosecond pump coherent Rayleigh scattering thermometry https://t.co/fKed38BOyh #NanosecondPulses #RayleighScattering @SandiaLabs

[Bluntly Put Philosopher (BPP) @SocraticScribe]

Sky-blue plasma toroid = electric fields made visible. Likely Ar/Kr/Xe mix: inert gases give clean, stable ionization. The glow shows electrons surfing field lines as plasma self-organizes into a torus, same physics behind auroras and fusion, sped up then slowed down to see.

[CLaE @leafs_s]

Neuron

Toward a science of prospective learning

https://t.co/63vfoFuQCy

[Ilir Aliu @IlirAliu_]

Robotics has transformed welding speed.
Precision is great, but speed now matters just as much.

And conventional TIG still lags behind...

Balancing quality with speed, especially on pipe, pressure vessel, and roll welding projects.

This solution helps change that.

It delivers TIG-level quality with:
✅ Up to 300% faster travel speeds
✅ 4 lb/hr deposition rates
✅ A compact footprint that fits right into tight production environments

It seems fast enough without compromising on quality and works across carbon steel, stainless, duplex, Inconel, etc.

Aaaaaand the welds still pass X-ray, hardness, and corrosion tests.

Found this via Novarc Technologies

—-

Weekly robotics and AI insights.
Subscribe free: https://t.co/dsa6wcvq6n

[Physical Review X @PhysRevX]

Using an ensemble of strongly interacting nitrogen-vacancy centers in diamond, experiments provide direct evidence of a dynamical state known as the long-lived discrete time quasicrystal order in a quasi-periodically driven, many-body quantum system.

🔗 https://t.co/3FDPXL6lbC

[Bluntly Put Philosopher (BPP) @SocraticScribe]

Researchers at Max Planck created a space-time crystal of magnons at room temp, and filmed it. It repeats in space and time, pulsing forever with no energy input. Just nature, at “rest”. 4 years old

[Physical Review X @PhysRevX]

Our must-read papers of 2025 included experimental realization of discrete time quasicrystals and the computational power of random quantum circuits in arbitrary geometries. Check them out below 🧵

[Optica Publishing Group @OpticaPubsGroup]

An Editors' Pick via #OPG_OL: Low-coherence interferometry with undetected mid-infrared photons in the high-gain regime https://t.co/VQzXCSbbMP #NonlinearInterferometry #OpticalAmplifiers @MPI_Light