

James McKenzie says that if businesses don’t evaluate customer feedback they’re in danger of going to the wall
Portable multiphoton microscopy system uses femtosecond laser pulses to create pathology-quality diagnostic images
A tactile sensor based on an optical fibre ring resonator helps blind or partially sighted people interact seamlessly with braille-based devices
Expensive and sometimes toxic elements can be reused in new devices
Untethered microscopic robots offer new ways of probing the microscopic world
Complex photon-photon interactions make a beam of light behave like a solid object
New photonic technique could boost analogue alternatives to numerical methods
Calculations suggest sub-femtosecond resolution is possible
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SPIE Photonics West brings the global optics and photonics community together in San Francisco to share the latest research and technology breakthroughs
A metasurface-based folded lens system shows promise for creating a new generation of slimline cameras
Nonlinear effect amplifies weak signals
Roadmap authors look to the future of photovoltaic technologies in this podcast
Siloton’s handheld OCT system could soon be used for home-based monitoring of retinal disease, and may one day find its way onto future space missions
Integrated optical phased array uses a tightly focused beam of light to trap and manipulate biological particles
Applied voltage adjusts intensity at twin focal points
Device might be employed in applications such as autonomous vehicles, drones and surveillance systems
Inexpensive metasurface could revolutionize the capabilities of conventional imaging systems
Physicist Fatima Gunning explains how mentorship has helped her grow as a researcher and teacher
Devices will be important for applications in quantum sensing and computing, biology, underwater communications and display technologies
Pillar-studded surface just hundreds of nanometres thick allows researchers to control direction, polarization and phase of thermal radiation
Available to watch now. Liquid Instruments explores how to implement optical modulation and detection techniques with a reconfigurable, FPGA-based device
New technique could reduce risks of unwanted surveillance, chip failure and theft, say researchers
The behaviour of photons confined inside three-dimensional cavity superlattices is much more complex than that of electrons in conventional solid-state materials
Hannah Stern explains why the quantum revolution needs a new toolkit of materials
Andrew Weld is the head of research and development at QLM technologies
Gearing up in the search for ultrahigh-energy cosmic rays