The PM90(685-100) from Power Technology is a continuous wave laser diode module that operates at a wavelength of 685 nm. It delivers an optical output power of 100 mW with power stability of ±3%. This single-mode laser diode produces a collimated beam with a circular or elliptical spot focused at 5 feet and has a beam size of 1.16 x 1.80. It requires a DC supply of 3.3 - 9 V and consumes up to 125 mA of current. This laser diode has an RMS noise of up to 0.5% and a polarization ratio above 100:1 at 100% power. It has maximum pointing stability of 10 and is user focusable. This laser diode module is available in a rugged design that measures 12.58 x 51 mm and is ideal for machine vision, life sciences, 3D scanning, and alignment applications.