Photonic crystal surface-emitting lasers emit high-quality beams with high output power and narrow divergence
Read article: Photonic crystal lasers deliver optimal performance for lidar sensing and laser processing
Slow laser scans cause metal to form pores during laser powder bed fusion, leaving behind voids that weaken and degrade performance
Read article: Laser ‘speed limit’ leaves defects in 3D-printed parts
New design reduces electron “leakage” in quantum cascade lasers and could bring terahertz imaging into wider use
Read article: Terahertz laser leaves the lab
Nonlinear material exploits third-order optical parametric oscillation
Read article: Microchip produces laser light of different colours
Suppressing long-lived triplet excitons enables devices made from quasi-2D organic–inorganic material to continue lasing for over an hour
Read article: Triplet control prevents ‘lasing death’ in perovskite lasers
New work could bring ultrafast science capabilities to users outside major laser facilities
Read article: Industrial lasers generate attosecond light pulses
One is low-cost, yet very stable, while the other uses a surprising new mechanism
Read article: Two new frequency combs could boost telecoms and molecular fingerprinting
By leveraging innovations in ultrastable lasers, accurate phase detection and timing synchronization, Menlo Systems’ femtosecond fibre lasers provide a core enabling technology for large-scale resea...
Read article: Femtosecond photonics: precision meets robustness
Short and powerful pulses are held together by high-order dispersion
Read article: Solitons from new fibre laser could improve eye surgery
This week's trivia challenge focuses on the past, present and (possible) future of laser technologies
Read article: Celebrate the laser’s 60th birthday with this enlightening quiz
