Microvision Pico Projector RGB Laser Display Engine Osram PL530 PL450B HL63603TG
These assemblies were made to be the heart of a Microvison ShowWX Plus laser-based video projector. The light engine has red, green and blue lasers combined with dichroic mirrors into a single beam that is routed to a resonant scanner mechanism which was used to output video. I don't have any information about the electronics or the resonant scanner, but the laser engine is well understood. It contains:
- Red - Ushio HL63603TG 638nm 120mW diode laser
- Green - Osram PL530 530nm 50mW OPSL laser
- Blue - Osram PL450B 450nm 80mW diode laser
Datasheets for these lasers are easy to find on the web. The red and blue diode lasers are single transverse mode type which produce a high quality (small diameter, low divergence) beam and with careful control of temperature and current, can be made to operate single longitudinal mode. The green laser is an amazingly tiny OPSL (optically pumped semiconductor laser) which also produces a high quality single mode beam and typically runs single longitudinal mode with a linewidth narrow enough for holography. It has a small heater inside to control the SHG temperature so it needs a constant voltage at about 1.8 - 2.8V for the heater as well as a 450 mA diode driver for the 808nm pump diode inside. I can provide a pinout for the mezzanine connector and a part number for the mating connector.
The laser light engine is tiny - about 43mm long, 22mm wide and 7mm tall. I can provide a partial pinout for the 40 pin mezzanine connector on the flex PCB which can be used to connect to the laser diodes, a thermistor for temperature sensing and 3 photodiodes that can be used to monitor the power of the individual lasers. With some care, the mating connector can be recovered from the electronics PCB.
I opened one of these up to show the insides but you will receive a new, sealed module.
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We are a small company located in the heart of Silicon Valley. We specialize in surplus lasers and photonics and have an optics lab with many instruments such as power meters, laser diode drivers and optical spectrum analyzers. Combined with our considerable expertise, this allows us to test most of the items we sell so you can be confident that they will arrive in good working condition.
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Starlight Photonics
PO Box 1134
Alviso, CA 95002