Alaskan
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Now I'm becoming interested in dye lasers, see what you've done! Planters is my hero, love his you tube videos.
Please forgive me as I'm a complete laser newbie but can that laser run for any length of time longer than a very short pulse ? I really like how a yellow laser beam looks and would love to see a laser as powerful as yours shot up into the night sky if only for a brief moment !As I posted on PL, the INPUT power is at 25% (10 kV), but the OUTPUT is far from linear. It is more like 10%. The beam is extremely visible and the duration has no effect on that other than to make it seem brighter rather than dimmer. One microsecond and 10 msec looks identical to the eye and so the comparison is pertinent to a DJ strobe light. Compare the visibility of a 100W continuous lamp to a 100J, 1pps strobe. Camera protection requires the filter at close range, but not at far range. This laser has been sent 1 km to the base of a cloud deck...its pretty visible. I will show that.
I don't mean to advertise the suppliers and some of the companies I mention, but rather to give the actual sources of what I have found to be useful. I have owned Cynosure lasers, but not Candela lasers despite my comparison.
That's right. The filters that you see the tests through block all the laser light. The flash you see is not some of the laser light, it is the incandescent glow from the plasma ablated off the targets.
Please forgive me as I'm a complete laser newbie but can that laser run for any length of time longer than a very short pulse ?
I watched the video and not that it matters (I'm a nobody in the laser world) but I am thoroughly impressed ! What a beautiful and incredibly tight & shaped yellow beam !!! Truly !The limit is peak pumping power. Only a laser driven dye laser is able to produce CW or CCW output. For those that are aware of the single attempt to use high intensity arc pumped dye lasers, the output was so minuscule that it is not worth pursuing.
On my Dye laser video "575nm Yellow Dye Laser", I show a laser pumped dye that is what you are probably looking for. It easily illuminates clouds.
The custom optics I have ordered are super polished. These permit higher performance coatings to be applied. I am also looking at modifying my lamp gas mixture to increase the pulse length. This will actually decrease the efficiency somewhat, but the increased pulse length will allow a visibly brighter beam to be generated before damage to optics or targets occurs.
The reason I have built this thing is that it is so open ended. Other colors as well as even much higher powers can be generated with some modifications.
The limit is peak pumping power. Only a laser driven dye laser is able to produce CW or CCW output. For those that are aware of the single attempt to use high intensity arc pumped dye lasers, the output was so minuscule that it is not worth pursuing.
On my Dye laser video "575nm Yellow Dye Laser", I show a laser pumped dye that is what you are probably looking for. It easily illuminates clouds.
The custom optics I have ordered are super polished. These permit higher performance coatings to be applied. I am also looking at modifying my lamp gas mixture to increase the pulse length. This will actually decrease the efficiency somewhat, but the increased pulse length will allow a visibly brighter beam to be generated before damage to optics or targets occurs.
The reason I have built this thing is that it is so open ended. Other colors as well as even much higher powers can be generated with some modifications.
Now when can I get that quality of yellow beam in a hand held ? JK lol......
Now combine that thought with the thought of how far battery technology like the Li-ion batteries have come in just a short period of time giving us much more power in a smaller & lighter package for greater portability and it get's even more exciting !Funny you should ask. Another project I am working on is at the other end of the spectrum (so to speak). This is a diode laser pumped....wait for it...dye laser. Who would have thought, but although there has been an enormous amount of work on solid media hosted dyes, the dye degradation remains a problem. To get a high conversion efficiency requires an intense pumping focus and this will still require a flowing dye. How small the cell, pump and reservoir can get is very interesting. If you have some technical background and you start to think about that question you might get a little excited as well.
Awesome work! Very impressive! This is probably the highest energy dye laser shown ever, here, in public, among amateurs and laser hobbyists.
It now makes no sense for me to reanimate my LOS4 dye laser with its tiny 1J output... Because it is really nothing compared to this machine.
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The reason I am posting this video and for that matter all of my videos is not to show off what I have accomplished. I state this wish all through my channel. Sure, I love the support and the compliments, but I am doing this to share what I have learned so that others will be able to take advantage of my approach, the suggestions and the admissions of my mistakes in order to build something for themselves. My subsequent videos will give even more details so that any part of this laser might be leveraged to other projects, say a YAG laser or a Tesla coil or...whatever.
The greatest compliment would be to hear about how you implemented my ideas, verified the value and then improved on them.
...The greatest compliment would be to hear about how you implemented my ideas, verified the value and then improved on them.
It's 580nm, so it is visible, would be a nice yellow. The pulse is so short that it's difficult to capture on video, plus the absolute need for safety glasses with these sorts of powers. You wouldn't want to take those safety glasses off to see the spot or the beam for the brief fraction of a second that it'd be there. At these powers it should still be visible even with the short pulse duration (someone correct me if I'm wrong?). Not to mention it's just an impressive piece of engineering, especially for a DIY job!
You'd be able to capture a beam shot with a half decent camera and the proper triggering.
Planters, thanks for sharing! Very interesting as always, looking forward to more.![]()