Understand how to identify amplitude and frequency of waves and features of transverse and longitudinal waves with this guide for KS3 physics students aged 11-14 from BBC Bitesize.

More information: Pan Liu et al, A stable all-solid-state continuous-wave single-longitudinal-mode Nd:YVO 4 laser at 1064 nm based on the molecular iodine absorption, Optics & Laser Technology (2025).