650nm 5mw Red Point / Line / Cross Laser Module Head Glass Lens Focusable Focus Adjustable Laser Diode Head Industrial Class - Integrated Circuits - AliExpress
Laser diode collimators, explained by RP Photonics Encyclopedia; single-emitter laser diodes, diode bars and diode stacks, fast axis collimation, VCSELs, mechanical stability
Laser Diode Collimation and Focusing Tubes
Research on the method of designing cap lens using ant colony algorithm | Scientific Reports