- Joined
- Jul 10, 2015
- Messages
- 9,903
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- 113
Yea but they are pretty consistent.
We could have a standard baseline test.
Either raw diode output at 10 feet...but 12mm housings clip the highly divergent axis in the threads.
So maybe use a short fl lens, like the G2 and list all the diodes and their spot size at 30 feet or 10 yards at it's best possible focus of course, through a G2.
We can't go by the data sheet with these NUGM and NUBM diodes because the perpendicular and parallel divergence numbers are after the Gball lens where as the canned diodes such as the NDB and NDG is rated right out of the diode.
So if we listed at 10 meters through a G2 after the Gball lenses are removed then we would have a comparative test and the single mode diodes would shine like the diamonds they are and when calculating energy density people could see what diode has the best energy density for it's emitter size and what diodes will produce the least divergent beams in their output class.
They have basically lengthened the pn junction to get more power when switching from the NDB to the NUBM just like thy did when going from the NDB7875 to the NDB7A75.
But I digress, if we use a lens that captures all the diodes output and list the focused picture dimensions at 10 yards then we would have a comparison and based on known perpendicular and parallel divergences and emitter sizes we could extrapolate many of the others and offer a likely estimate on the rest.
At least people would know if a de canned NUGM01T has a wider line at a given distance than a NDG7475 and how much different it will likely be.
I doubt having the facts would deter the general masses from buying the least expensive diodes anyway, even if we told them up front that the divergence was xx as much as another, they will still buy the cheaper one until they understand what any of it means.
Chinese sellers list it as a 5000mw blue laser for 49 dollars and they believe it.
We could have a standard baseline test.
Either raw diode output at 10 feet...but 12mm housings clip the highly divergent axis in the threads.
So maybe use a short fl lens, like the G2 and list all the diodes and their spot size at 30 feet or 10 yards at it's best possible focus of course, through a G2.
We can't go by the data sheet with these NUGM and NUBM diodes because the perpendicular and parallel divergence numbers are after the Gball lens where as the canned diodes such as the NDB and NDG is rated right out of the diode.
So if we listed at 10 meters through a G2 after the Gball lenses are removed then we would have a comparative test and the single mode diodes would shine like the diamonds they are and when calculating energy density people could see what diode has the best energy density for it's emitter size and what diodes will produce the least divergent beams in their output class.
They have basically lengthened the pn junction to get more power when switching from the NDB to the NUBM just like thy did when going from the NDB7875 to the NDB7A75.
But I digress, if we use a lens that captures all the diodes output and list the focused picture dimensions at 10 yards then we would have a comparison and based on known perpendicular and parallel divergences and emitter sizes we could extrapolate many of the others and offer a likely estimate on the rest.
At least people would know if a de canned NUGM01T has a wider line at a given distance than a NDG7475 and how much different it will likely be.
I doubt having the facts would deter the general masses from buying the least expensive diodes anyway, even if we told them up front that the divergence was xx as much as another, they will still buy the cheaper one until they understand what any of it means.
Chinese sellers list it as a 5000mw blue laser for 49 dollars and they believe it.
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