Strange red dot from a 650 nm

photovoltaic · Oct 27, 2013

I apologize if this has been asked before, I tried my best with the search feature.

Anyways, I got a red laser from DX today and it has an interesting spot...
Any ideas what causes this?

Livinloud · Oct 27, 2013

Re: Strange red dot from a 650 nm (large picture)

resize the picture 800x600

LtKernelPanic · Oct 27, 2013

That's perfectly normal for the LPC diodes. There are some reds that lack the "wings" but off hand I don't recall which.

Livinloud · Oct 27, 2013

yeah i see nothing wrong with it either. most red diodes produce a "line" and not a dot. its just the type of diode it is so dont worry. plus your camera doesnt do a good job of picking up the dot/line. I hope you are using safety glasses when viewing this dot, if not wish your eyes good luck

photovoltaic · Oct 27, 2013

LtKernelPanic said:
That's perfectly normal for the LPC diodes. There are some reds that lack the "wings" but off hand I don't recall which.

Good to know, kind of a neat effect actually.

Livinloud · Oct 27, 2013

LtKernelPanic said:
That's perfectly normal for the LPC diodes. There are some reds that lack the "wings" but off hand I don't recall which.

https://sites.google.com/site/dtrlpf/home/diodes/3-8mm-650nm-300mw-diode
lacks wings

i totally forget what diode it is though and im too tired to search right now

Strange red dot from a 650 nm

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