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Dave can you please post some pics of the beam etc?
will the be more available or anything similar?
i think hes refering more to things like this
http://www.newegg.com/Product/Produc...SIO-_-24124006
which personally i would conjecture that thats where these lasers came from, a device like that
Aah sorry
Now lets hope they are not all multimode flashlights with terrible beam specs. But for projectors they project the laser at a DLP chip so a tight beam is not necessary, so I'm afraid of it.
But the 1x5,5mm x 2mRad beam this diode is putting out you could knive edge half of the beam off and change polarity and combine it with a combiner cube. This way you go from a 1x5,5mm to a nice beam of 1 x 3m x 2mRad for only 140 euro in optics I think it's worth it.
If they're fitting 500mW blue diodes (and matching ones for 640/650 and 532nm), that means that they're either losing a very big crapload of power though the DMD assembly, or running the diodes far below spec, as the spec sheets I've read show that the total power would be 100-150mW RGB total max.
If those things do tend to scale with power, they could be 'abused' as off-the-shelf show-ready projectors, by simply feeding them vector graphics.
Hi,
can someone post pictures of the 445nm / 500mW diode in operation (beam, etc)?
Thank´s
Frank
dave, can you be a bit more specific in comparison to the nichias you have? Are you saying the divergence is double on the slow axis when the fast axis is collimated with the aspheric you tried? The way you stated it just 'divergence is double' is a little hard to make use of, given the drastically different axes on this diode.
In my tests in collimating the fast axis the divergence wasn't so bad. it was the slow axis that required a little more treatment.