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Those of you who have harvested a 6x BluRay diode have most likely noticed a curious optic directly in front of the diode window and mounted to the primary heatsink mounting. It looks like a lens designed to gather the rectangular beam and make it more round.
The picture below shows the output at 60 mA and 2" from that lens. This should be the first step in a beam expander but I havent tried a lens in front yet.
Mike
The picture below shows the output at 60 mA and 2" from that lens. This should be the first step in a beam expander but I havent tried a lens in front yet.
Mike