
2PP Papers
A technical podcast reviewing two-photon polymerization papers, 3D microfabrication methods, and practical implications for real applications.
Episodes
Reading the feed…

A technical podcast reviewing two-photon polymerization papers, 3D microfabrication methods, and practical implications for real applications.
Reading the feed…
A breakdown of a Nature paper on 3D-printed ciliary hydrogel microactuators driven at low voltage: design, materials, actuation mechanism, and what it implies for scalable microrobotic systems.
A technical breakdown of geometry-guided strategies to drive organoid maturation through fabrication-informed design constraints.
A technical breakdown of nanoarchitected carbon tubulanes across quasi-static through supersonic impact regimes, focusing on architecture-enabled energy absorption and implications for debris shielding.
A technical breakdown of NOWA, a hybrid optical-digital camera watermarking method that uses a 2PP-fabricated phase mask and null-space reconstruction to localize AI edits while preserving image quality.
A technical breakdown of a 2PP-fabricated hollow-porous microneedle patch for minimally invasive IgE monitoring in interstitial fluid, with emphasis on architecture, sensing strategy, and clinical relevance.
A technical breakdown of 2PP-fabricated diffractive neural networks for label-free classification in microfluidic flow, focusing on optical inference, fabrication constraints, and the path toward high-throughput on-chip diagnostics.
A technical breakdown of a bioinspired pumpless microneedle that mimics Ligia exotica leg microstructures to transport fluid without external pumping, focusing on microstructure layout, capillary transport, and device characterization.
A technical breakdown of the first on-sky demonstration of a PIAACMC coronagraph with MagAO-X, focusing on the printed focal-plane masks, achieved inner working angle, contrast limits, and what this means for direct imaging of temperate exoplanets.
A technical breakdown of a controversial 2021 paper that uses worldline numerics on custom Casimir cavities to argue for a nanoscale energy distribution qualitatively similar to the Alcubierre warp metric, focusing on the 2PP-fabricated test geometry, the vacuum-energy modeling, and what this does and does not imply experimentally.
A technical breakdown of 2PP-printed multi-tiered microDicer blade arrays for protein-preserving tissue microdissection, comparing mechanical microdissection against LCM for spatial proteomics at 10-20 micrometer resolution.
A technical breakdown of additively manufactured polymer compound refractive lenses for hard X-ray focusing, comparing projection micro-stereolithography and 2PP fabrication, at-wavelength metrology, and a 65-element CRL array demonstrated at 15 keV.
A technical breakdown of a Nature Communications paper on 3D RGB achromatic metalenses for near-eye VR displays, covering differentiable library-based inverse design, two-photon-lithography meta-atoms, nanoimprint scalability, and OLED-panel integration.
A technical breakdown of a Materials Horizons paper on reversible digital mechanics: flexural mechanical integrated circuits, bistable memory, AND logic, impedance matching, energy flow, and microscale fabrication paths for powerless mechanical computing.
A technical breakdown of a Nature paper on two-step 2PP fabrication of an optical-fibre microgripper, combining rigid SZ2080 microclaws with a silver-nanoparticle-doped thermoresponsive hydrogel muscle for fast, forceful, fibre-tip micromanipulation.
A technical breakdown of 3D-nanoprinted embryo microinjection needles with anti-clogging features, focusing on needle geometry, clog resistance, hydraulic performance, and practical embryo injection workflows.
A technical breakdown of two arXiv papers submitted seconds apart on light-propelled microparticles: how 2PP particle geometry, refractive-index profiles, and transparent polymer shapes can turn a broad light beam into lateral motion for fuel-free microrobots and active matter experiments.
A technical breakdown of Scaffold-Architected Lift-Off (SALO): using 2PP-printed sacrificial masks and ultrasonic cavitation to pattern conformal metals and ALD thin films across complex 3D surfaces, including nanoscale features, sloped nanowires, and fiber-tip gratings.
A technical breakdown of two-photon grayscale lithography for silica-glass microstructures, covering the BBK-initiated POSS resist, four-step parameter calibration, up to sevenfold throughput, high-Q mechanics, and optical surfaces below 3 nm RMS roughness.
A technical breakdown of an etch-free photon-pair source built by 2PP-printing a polymer strip on periodically poled thin-film lithium niobate, including waveguide design, type-II SPDC performance, and erasing and reprinting the waveguide on the same substrate. Correction to the narration: the paper reports its highest CAR of about 404 at 0.5 mW and a 200.73 kHz pair-generation rate; 4.357 MHz is the maximum measured rate at the highest tested pump power.