A 2 x 2mm integrated photonic chip will make interferometers, and therefore precision optics, even more powerful. Credit: J Adam Fenster/University of Rochester
University of Rochester researchers have packaged a way of amplifying interferometric signals using inverse weak value amplification - without increase in extraneous input or 'noise' - on an integrated photonic chip
The GEMINI interferometer enables an innovative approach to broadband pump-probe spectroscopy. Thanks to the employed time-domain Fourier Transform (FT) detection system, this configuration permits the measurement of the broadband pump-probe signal with a single-pixel detector and a single-channel lock in amplifier. In this way, it's possible to combine an ultra-broad spectral coverage with an extremely high sensitivity
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
Thorlabs has expanded its swept source OCT (SS-OCT) offering with the release of Atria systems centred at 1,060nm
In deflectometry, a camera images fringe patterns that have reflected off a surface under test, so that a system can deduce a map of the surface slopes from the deviation of the projected fringes, and from that determine the surface shape. Credit: Mahr
Lens features have been getting too small to properly characterise – but metrology providers are catching up, finds Andy Extance
New methods and instruments are building on impressive investigative capabilities, finds Andy Extance
L to R: Marc Canales, Roger Artigas, EPIC’s Ana González & Carlos Lee
Jose Pozo, CTO at EPIC, talks with Roger Artigas, co-founder, president and CTO of Sensofar Metrology – a designer and manufacturer of 3D surface metrology instruments
Professor Emir Salih Magden updates on plans to commercialise an on-chip broadband optical filter
Keely Portway looks at some of the latest advances in light-based test and measurement techniques
The laser ranging interferometer (LRI) instrument has been successfully switched on aboard the recently launched twin US/German Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) satellites
Image credit: bogdanhoda/Shutterstock.com
Tiny nanodiamonds are being used to dramatically optimise the calibration of optical microscopes, Matthew Dale finds
After the test disk is placed inside the chamber, some fine tuning is required to ensure they are horizontal and perfectly centred (credit: Caltech)
LIGO scientists have developed a new mirror coating that could dramatically increase the observatory's detection rate of gravitational waves
Image credit: Gorodenkoff/Shutterstock.com
Advances in research have made strides in the improvement of wearable and AR/VR displays
LLNL optical engineers Justin Wolfe (left) and Simon Cohen are seen through the 'r' filter (credit: Garry McLeod)
A telescope, described as one of the world’s newest, has been completed following a project undertaken by researchers to develop some very specialist optical filters
Magic cinema/Shutterstock.com
Advances in optical prisms are being used to help researchers gain a greater understanding of space and astronomy
Universities offering associate degrees for optics technicians could help answer the photonics skills shortage, finds Jessica Rowbury
