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Optics & Photonics Jun 26, 2025

How harmonic mode-locked Mamyshev oscillators build up multiple laser pulses per cycle

The Mamyshev oscillator (MO) is a type of fiber laser capable of producing high-energy laser pulses at a tunable repetition rate. It is a mode-locked laser which uses light traveling within a closed-loop cavity to produce ...

Cell & Microbiology May 14, 2025

Low-viscosity oil boosts a microfluidic device, enabling safer cell studies and gradient generation

Researchers at Toyohashi University of Technology in Japan, in collaboration with the Institute of Translational Medicine and Biomedical Engineering (IMTIB) in Argentina and the Indian Institute of Technology Madras, have ...

Bio & Medicine Apr 30, 2025

Ultrasound and microrobots team up to boost stem cell therapy for brain repair

A novel study has unveiled a technique that enhances stem cell therapy for neurodegenerative diseases by combining magnetic guidance with localized ultrasound stimulation. This approach successfully navigates magnetically ...

Bio & Medicine Feb 21, 2025

Emerging biomedical ultrasound tech: Flexible micromachined ultrasound transducers

A new review article unveils the world of flexible micromachined ultrasound transducers (MUTs), an emerging technology at the intersection of wearables, ultrasound, and MEMS. These cutting-edge devices, which include both ...

Materials Science Oct 15, 2024

Scientists apply ancient construction methods to help fabricate modern microparticles

Inspired by the ancient East Asian method of constructing wooden structures using a "tongue and groove" technique, Nanyang Technological University, Singapore (NTU Singapore) scientists have developed a new approach to fabricating ...

Optics & Photonics Oct 11, 2024

Researchers create a three-dimensional multi-focus laser for glass micro-sculpting

Glass materials are widely used in optical and optoelectronic devices due to their low cost and excellent mechanical and optical properties. Among them, glass concave/convex linear structures with feature sizes ranging from ...

Optics & Photonics Aug 28, 2024

Scientists develop DMG equalization strategy via femtosecond laser micromachining induced refractive index tailoring

Optical fiber, as a physical medium for information transmission, is the "highway" of modern economic and social development. However, with the continuous emergence of high-speed and high-capacity communication scenarios ...

Nanophysics Aug 22, 2024

World's first micromachine twists 2D materials at will

Just a few years ago, researchers discovered that changing the angle between two layers of graphene, an atom-thick sheet of carbon, also changed the material's electronic and optical properties. They then learned that a "twist" ...

Optics & Photonics Aug 5, 2024

New light source emits bright, entangled photons for quantum communication

Imagine the possibility of sending messages that are completely impervious to even the most powerful computers. This is the incredible promise of quantum communication, which harnesses the unique properties of light particles ...

Cell & Microbiology Jul 8, 2024

Microscopic vehicles propelled by swimming green algae could assist biological and environmental research

Researchers have created tiny, vehiclelike structures that can be maneuvered by microscopic algae. The algae are caught in baskets attached to the micromachines, which have been carefully designed to allow them enough room ...

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