Zom-B
0
- Joined
- Mar 25, 2008
- Messages
- 895
- Points
- 28
Build multiple drivers for them and fit them inside an Aixiz somehow, of course! (yes, my miniature skills again)
First I had to find the maxima of the two remaining lasers. I drew this graph and concluded that the red may have slightly more juice, 76mA. The UV is safest at 74ma. They give off about the same amount of light. I noticed that the RED operates at TEM00+TEM10. Luckily, with this 'wider' beam, it overlays with the UV nicely. When under powering both RED and UV red such that RED operates at TEM00, the UV looks much wider.
(The IR turned out to be only a useless 14mW, so I skipped that from now on)
I also attached a four-step switch to change between RED, MAGENTA, PURPLE and VIOLET. I dimensioned the purple, such that both colors look equally bright to the eye. Magenta is maximum of both, and incidentally looked exactly magenta.
The only problem is that both wavelengths are refracted quite differently by the acrylic lens, so they can't be collimated at the same time. When I turn the lens such that one expands and the other contracts, then they can meet at a certain distance, with increased spot size, but with a uniform color. At15 10 foot this spot is about 1".
It's not so clear in the picture, but there is actually lots of spare room. Mainly in thickness, but also in height (one row of four holes is practically wasted). And yes, it does become hot, but only after s duty cycle of 3+ minutes.
I photoshopped the last two photos to look more like what the eye sees, because the camera extremely overreacts to UV light
First I had to find the maxima of the two remaining lasers. I drew this graph and concluded that the red may have slightly more juice, 76mA. The UV is safest at 74ma. They give off about the same amount of light. I noticed that the RED operates at TEM00+TEM10. Luckily, with this 'wider' beam, it overlays with the UV nicely. When under powering both RED and UV red such that RED operates at TEM00, the UV looks much wider.
(The IR turned out to be only a useless 14mW, so I skipped that from now on)
I also attached a four-step switch to change between RED, MAGENTA, PURPLE and VIOLET. I dimensioned the purple, such that both colors look equally bright to the eye. Magenta is maximum of both, and incidentally looked exactly magenta.
The only problem is that both wavelengths are refracted quite differently by the acrylic lens, so they can't be collimated at the same time. When I turn the lens such that one expands and the other contracts, then they can meet at a certain distance, with increased spot size, but with a uniform color. At
It's not so clear in the picture, but there is actually lots of spare room. Mainly in thickness, but also in height (one row of four holes is practically wasted). And yes, it does become hot, but only after s duty cycle of 3+ minutes.
I photoshopped the last two photos to look more like what the eye sees, because the camera extremely overreacts to UV light