Last year, I found myself compelled to make a scaled-down replica of the iconic test chamber signs from the video game Portal. If you’ve played the game, you’ll remember these signs as the illuminated ...

The optical design of light guide systems underpins backlight modules in modern display technologies, ensuring uniform illumination, high optical efficiency and controlled viewing angles. Light guide ...

Ground-based telescopes have long contended with atmospheric turbulence that diminishes image clarity, and the advent of adaptive optics combined with laser guide stars has been transformative in ...