This interferometer features a new 4MP camera, which improves both repeatability and precision by two times compared to previous models
4D Technology has added to its line of PhaseCam dynamic interferometers, supported by the release of 4Sight Focus acquisition and analysis software
Measurement of large optics require metrology systems that can function despite vibration, turbulence and other challenges.Laser interferometry is used throughout the manufacturing of large optics to ensure conformance to demanding design specifications. More recently, “dynamic interferometry” has been implemented for vibration-insensitive measurement of large optics.
*Now available on demand* Dr Erik Novak, senior director of business development at 4D Technology, will discuss the different aspects that need to be considered when selecting a Large Aperture Interferometer.
Keely Portway looks at some of the latest advances in light-based test and measurement techniques
The Surface Isolation Source is an optional, external laser source for 4D Technology AccuFiz Fizeau interferometers
Verifying the surface quality of optics has long relied on a visual, non-quantitative approach, finds Jessica Rowbury
4D Technology has announced the 4D InSpec Surface Gauge, the first handheld, non-contact instrument that measures precision machined surface defects and features with micrometer-level resolution
4D Technology Corporation, manufacturer of optical metrology systems, has introduced its newly improved AccuFiz compact laser interferometer for accurate, repeatable measurement of surface shape and transmitted wavefront quality
4D Technology Corporation, manufacturer of optical metrology systems, has introduced the FlexCam metrology module
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
