Focused Laser Differential Interferometry (FLDI) is an innovative, non‐intrusive optical diagnostic tool designed to capture high-resolution density fluctuations within hypersonic flow environments.

Purdue faculty dedicate countless hours to exploring the frontiers of their respective fields, pushing the boundaries of knowledge and contributing to the ever-evolving landscape of academia. To ...

Last week, four lasers were projected into the sky above the European Southern Observatory (ESO) Paranal site in Chile. The lasers successfully created an "artificial star" that astronomers can use to ...

Artist Impression of LISA, the Laser Interferometer Space Antenna. Credit: NASA Ever since the telescope was invented in 1608, astronomers have striven for bigger and better telescopes. When it comes ...

For most of us, the mention of “technological innovation” brings to mind images of the technologies that have become useful for our everyday lives. We imagine aspiring app developers lounging about ...

Scientists are building giant space lasers to unlock the secrets of ripples in spacetime. The Laser Interferometer Space Antenna (LISA) will comprise a trio of spacecraft flying in a vast triangular ...

Common to optical metrology in many modern systems, the Fizeau design uses a fixed, on-axis coherent point source to illuminate the interferometric cavity. For the most part, it works very well. While ...

Exail, the France-headquartered photonics company, says it has won a contract with the French Space Agency (CNES) to develop and deliver an “ultra-stable” laser system for the planned Laser ...

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6-axis nanopositioning system assembly provides the ultra high precision required to mount and align optical components to be launched into space, new from PI. Image Credit: PI (Physik Instrumente) LP ...

Following the selection of The Gravitational Universe by ESA, and the successful flight of LISA Pathfinder, the LISA Consortium now proposes a 4 year mission in response to ESA’s call for missions for ...