May 2019

Observations by ESO’s GRAVITY instrument show clumps of gas swirling just outside a four-million-solar-mass black hole. [Image: ESO/Gravity Consortium/L. Calçada]

Astrophotonics: The Rise of Integrated Photonics in Astronomy

Barnaby Norris and Joss Bland-Hawthorn

Photonic components are fueling impressive gains by Earth-based astrophysicists—with more to come in the soon-to-be-initiated age of extremely large telescopes.


Weaving the Rainbow: Space-Time Optical Wave Packets

Spatio-temporal structuring affords new opportunities for controlling pulsed optical beams.

Creating an Airborne Laser Lab

In the 1970s and 1980s, the U.S. Air Force and its contractors experimented with packing a 400-kW gas-dynamic laser into a military-grade Boeing 707.


Research and Industry News

Extremely Large Telescopes

IDL: Illuminating Education

Fringe Science


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