As an inexpensive alternative to FLEXPOINT® laser modules Laser Components offers a series of the smallest laser modules. Both dot lasers in 10 differently-sized housings and a line laser are available. The smallest dot laser has a housing diameter of just 3.3 mm. These laser modules are available at 635/650 nm and 780/850 nm.
The world's smalles modules contain the laser diode, drive electronics, and optics all in a metal housing.