Now in its 36th year, OPN’s annual feature reviews some of the most interesting research in optics and photonics published in recent months. Our panel of guest editors reviewed 113 summaries submitted by research teams from across the globe, to select 30 intriguing stories that reflect the broad sweep of optical and photonic science and engineering.
IMAGE OF THE WEEK
Engagement ring sparkle
The sparkles from my wife’s engagement ring are visualized by a collimated supercontinuum laser incident normal to the largest diamond in the ring. A piece of paper is used to trace out the beam in this long exposure image. Small rainbow beams can be seen shooting away from the stone, proof that the dispersive design of the diamond is doing its job. [Second place winner, 2018 After Image photo contest.]
View more »