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Compact Laser Diode Modules

Photonic Products (Huntington Beach, CA) has launched 8-mm-diameter laser diode modules for use in prepress plate alignment and laser alignment for label and wrapper cutting machinery, and medical applications such as patient positioning. The modules consist of a brass housing, laser diode, drive circuit, and adjustable collimating or focusing lens. The lens may be adjusted to produce either a collimated beam or focused spot. Electrical connections are made via external flying leads.

altThe 650-nm laser diode modules produce an elliptical, collimated output beam of 3.5 × 1.5 mm with output powers of 0.9 mW or 4.5 mW. Operating voltage is from 3V to 6V DC at an operating current of 30 mA typ, or 40 mA typ. Beam divergence is less than 1 mrad and operating temperature range is -10°C to 50°C. The 635-nm laser diode modules produce an elliptical, collimated output beam of 3.5 × 1.5 mm, with output powers of 0.9 mW or 4.0 mW. Operating voltage is from 3V to 6V DC at an operating current of 30 mA typ, or 40 mA typ. Beam divergence is less than 1 mrad and operating temperature range is -10°C to 40°C.