Feature Articles

High-Average-Power Ultrafast Lasers

Recent advances in the average-power capabilities of lasers with petawatt peak powers are enabling new science and applications in industry, biomedicine and security.

by Thomas M. Spinka and Constantin Haefner
Emerging Connections: Classical and Quantum Optics

The blurring of the classical-quantum boundary points to new directions in optics.

by Xiao-Feng Qian, A. Nick Vamivakas and Joseph H. Eberly
How Lasers Got Practical

In ease-of-use and reliability, particularly as aided by automation, lasers have come a long way since the first bare-bones products of the early 1960s.

by Jeff Hecht

Departments and Columns

Newsroom
Research and Industry News

A waveguide made of bacteria; chip-scale Brillouin devices; revisiting the momentum paradox; unvaveling perovskite solar cells; a chemical photoswitch; laser power by the numbers; U.S. continues to mint Ph.D.s at a record pace; AIP and NPI news; data from flickering lights.

Reflections in Diversity
Challenging a Culture of Inequality

Progressive initiatives at a new Japanese academic institution tackle some deep-rooted gender inequities.

OIDA Market Report
Explaining the Laser Market’s Long-Term Growth

Though the dependence on capital spending creates a cyclical business, a continual stream of new applications helps to keep laser sales growing.

Light Touch
“Thoughtographs” and Stanhope Lenses

A 1960s personality wowed audiences with his supposedly paranormal images—but magicians detected optical illusions, not sorcery.

Infographic
Laser Power

Laser power spans many orders of magnitude—from microwatts to petawatts.

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Also in this Issue

OSA Update
News from the Society

OSA chases the “Great American Eclipse”; entrepreneruship workshop in Tanzania; CLEO-Pacific Rim; thanks, meeting volunteers and editors.