altPhotonic Products (Hertfordshire, UK) introduces the PM-NEOLD 635nm photon laser diode modules with an integral “Near End of Life Detection” feature that alerts users when a laser diode approaches the end of its operational life. The laser modules have optical output powers from 0.9 mW to 18 mW at a lasing wavelength of 635 nm, beam size of 3.5×1.5mm, operating voltage of 3-6 VDC, and operating temperature from -10°C to +50°C.

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