Tag Archives: gain medium

A laser to make light of many shapes

Posted on July 17, 2025 by

Lasers can produce a slender beam of light of just one wavelength. For this simple feature, they are everywhere in modern technology, from the internet to medical devices and even in entertainment as holograms. However, traditional lasers have some limitations. … Continue reading →

Posted in Scicomm | Tagged gain medium, George Series, laser, laser wavefront, meta-atoms, metalaser, metasurface, Michael Berry, S Pancharatnam | Comments Off

How do you make a mode-locked laser?

Posted on September 9, 2022 by

Given Mode-locked lasers are lasers that are capable of producing intense ultra-short pulses of light at a very high rate. Concepts Set 1 Take a bunch of atoms, excite them and place them in a box covered with mirrors in … Continue reading →

Posted in Scicomm | Tagged constructive interference, dispersion, Fabry-Pérot cavity, femtolaser, gain medium, inertial confinement, Kerr-lens mode-locking, LASIK, linewidth, lithium niobate, mode-locked laser, optical cavity, Q-switching | Comments Off