Ellie Wolfe Mar 16, 2024 Mar 16, 2024 Updated Apr 21, 2025 Safety wasn’t something that Luke Swanson thought a lot about when he was deciding on where to go to college. Now in his third year at the ...

A laser is usually constructed from two basic elements: a material that provides optical gain through stimulated emission and an optical cavity that partially traps the light. When the total gain in ...