Super sensitive
22 October 2009
Stephen Mounsey investigates photon counting, and discovers a rich variety of approaches to an old problem
Optical methods are helping defeat criminals seeking to hack biometric identification, finds Andy Extance
PHOTON COUNTING
Latest issue
Successful clinical translation depends on funding robust trials – and greater trust between developers and end-users, finds Jessica Rowbury
Carlos Lee talks to Petr Tůma about the growth of Czech-based 4isp, a distributor of HSG lasers, including its move to a leasing model and how it works with Chinese manufacturers
Photonics West industry update paints a positive outlook. Matthew Dale reports
The gold ball used in size comparison with a one cent coin. (Image: Tobias Westphal/Arkitek Scientific)
Scientists have demonstrated gravitational coupling between two gold spheres of one millimetre radius, thereby entering the regime of sub-100-milligram sources of gravity
This image shows perovskite photovoltaics in the background with individual perovskite crystals shown as the colourful units. (Credit: CUBE3D Graphic)
Perovskite solar cell design delivers efficiencies to rival those made of silicon
Lydia Sanmartí-Vila, Silvia Tognetti, Federica Beduini and Silvia Carrasco, from the EU-funded Carla project, highlight how career events can increase women talent and diversity-at-large in photonics, helping to fill the skills gap
