450nm 1~40mW Single-mode Round Spot TEM00 Laser Blue Semiconductor Laser https://www.civillaser.com/index.php?main_page=product_info&products_id=3915 www.CivilLaser.com --- Civil Laser Manufacturer.
More than 500 of the world's top universities and research institutions are our customers, such as NASA / MIT / II-VI .... We look forward to providing you with quality laser products and services.