TTL Modulation 405nm Violet Laser Diode Module for Scientific Optics Experiments
After easy selection of output power and freely adjusted laser dot diameter, TTL modulation 405nm violet laser diode module makes easy reaching and good direction violet laser dot projection for all popular science optics experiments, including exploring violet light characteristics, filtering out invisible stray light, and conducting filter-based imaging experiments.
https://www.berlinlasers.com/ttl-modulation-adjustable-focus-405nm-violet-laser-diode-module