How the Shack-Hartmann wavefront sensing technique can be used to simply and quickly assess the quality of optical systems
This white paper will review the theory of Shack-Hartmann wavefront sensing and explain how it can be used to simply and quickly assess the quality of optical systems.
Sydney Institute for Astronomy researchers have developed a new type of wavefront sensor that leverages a ‘photonic lantern’ and deep learning. (Norris et al.)
Researchers have developed a wavefront sensor using a ‘photonic lantern’ that could optimise humanity’s viewing of the cosmos
Shaping light wavefronts is improving many areas of microscopy – and is enabling Nobel Prize winner Eric Betzig’s most important work yet, finds Andy Extance
Keely Portway looks at some of the latest advances in light-based test and measurement techniques
The stringent requirements for ground and space-based telescopes are driving the development of innovative materials and optical systems, Matthew Dale reports
The WaveMaster UST combines precise wavefront measurement technology with expertise and experience in the manufacturing of complex measurement systems
The Laser Mėgajoule facility in France is one of the latest in large laser installations. Tom Eddershaw looks at how this type of huge project helps the photonics industry
Faster lasers require ever more sophisticated mirrors. Rob Coppinger reflects
Greg Blackman on the intricacies of characterising optics with wavefront sensors
Professor Paul Shore led the team that micromachined the complex mirrors within James Webb’s mid-infrared instrument. He chats about the technical lessons learnt
EMF invested a great deal of time and effort in developing a coating system for producing long-lasting diamond like carbon (DLC) coatings on chalcogenides at scale
The properties of chalcogenide glass optics have opened up a number of use cases in infrared optics applications and beyond. This article assesses how some of the associated manufacturing and handling challenges of this material can be overcome
Image credit: Yury Zap/Shutterstock.com
We detail the commercial offerings from some of the main players in optical mirrors
Image credit: Mia Stendal/Shutterstock.com
Shining a light on the latest products and solutions in the diode laser space
Optical technologies offer researchers a powerful new toolkit to explore the structure and function of the brain. (Image: Sergey Nivens/Shutterstock.com)
Advances in optical fibres and microscale LEDs are furthering neuroscientists’ understanding of the brain
The nulling interferometry devices under development at Caltech’s Exoplanet Technology Laboratory cancel out starlight to help detect and identify foreign worlds. (Credit: Shutterstock/Dotted Yeti)
Nemanja Jovanovic, lead instrument scientist at Caltech’s Optical Observatory and Exoplanet Technology Laboratory, on emerging astrophotonic technologies on his radar
Robert Smith is a professor at the University of Alberta and historian to JWST since 2002
As James Webb Space Telescope beams back images from the edge of space and time, space historian Robert Smith recalls some of the decisions made to bring the $10bn NASA project to fruition. David Stuart reports
