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Old 11-26-2016, 10:50 AM #33
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Default Re: Techhood, anyone have experienced with them?

@Shmackitup Wow, didn't know they can be that quick. I think he has also a woman so they both work in the store. To be fair, she replied to my last question. But it's for a lens-related topic.
@RedCowboy You should ask him. I know only for S06J SLEDs: They take care not to touch them with hands, prepare a big drop of solder tin to cover the both leads at the same time, then quickly touch them with it and remove the thin PCB.



Last edited by AngelG; 11-26-2016 at 10:54 AM.
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Old 11-26-2016, 05:06 PM #34
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Default Re: Techhood, anyone have experienced with them?

Quote:
Originally Posted by AngelG View Post
@Shmackitup Wow, didn't know they can be that quick. I think he has also a woman so they both work in the store. To be fair, she replied to my last question. But it's for a lens-related topic.
@RedCowboy You should ask him. I know only for S06J SLEDs: They take care not to touch them with hands, prepare a big drop of solder tin to cover the both leads at the same time, then quickly touch them with it and remove the thin PCB.
I'm guessing that they're just getting to work when I'm trying to go to bed!
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Old 12-02-2016, 07:01 PM #35
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Default Re: Techhood, anyone have experienced with them?

Something like that. They've got some copper hosts which suspiciously resemble the well known Aixiz ones. They sell them 3 pcs for $9 (with acrylic lens). I didn't try 'em though.
Edit@05.12.2016: Today arrived my orders. Among everything, there were 2 diodes SLD3237VF which are different. I'll post pics.
The first one has markings on the package and the crystal holder inside looks different from the second one which doesn't have any markings.... With small current, well under the Ith, it emits bluish light just like the other 405 nm diodes... Which one is genuine and which one is fake ?!

Attachment#1 - contents of one of my orders; Attachment#2 - Diode#1 - markings
Attachment#3 - Diode#1 - from top; Attachment#4 - Diode#2 from top (it has no markings)
Attachment#5 - Side - to - side comparison.
Attached Thumbnails
Techhood, anyone have experienced with them?-one_of_items_800.jpg   Techhood, anyone have experienced with them?-diode_markings_side_800.jpg   Techhood, anyone have experienced with them?-diode_w_markings_800_top.jpg   Techhood, anyone have experienced with them?-diode_wo_markings_top_800.jpg   Techhood, anyone have experienced with them?-techhood_pix_0_800.jpg  


Last edited by AngelG; 12-13-2016 at 08:12 PM. Reason: As I promised - pictures of strange production from this seller
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Old 12-13-2016, 08:08 PM #36
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Default Re: Techhood, anyone have experienced with them?

Robinson kindly responded to my question and said that the new batch from Sony's factory comes with the markings and the new crystal holder. Also that we shouldn't worry, since the other parameters are the same.
I'll be able to confirm the power output after I have a LPM.
SLD3237s should yield 250 mW @ 200 mA drive.

Last edited by AngelG; 12-13-2016 at 08:13 PM.
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Old 01-09-2017, 01:45 PM #37
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Default Re: Techhood, anyone have experienced with them?

Just scored some NUBM's to test with different lenses while keeping the GBalls intact, will see how long shipping is.
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Old 01-09-2017, 02:49 PM #38
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Default Re: Techhood, anyone have experienced with them?

I am very interested if when the Gball is intact whether another lens can be used in front of it to further focus the beam to infinity, and what focal length is needed to do so. Edit: well... I shouldn't say "whether", I know we can do that, but I'm wondering if something like a G2 can be used for that and if there is enough room with a DTR module to do so.
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Old 01-09-2017, 07:41 PM #39
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Default Re: Techhood, anyone have experienced with them?

I know it can be done, it's just a matter of finding the right set up, maybe a large cyl pair and a homemade expander.

This was one makeshift expander I know I have posted this video before but my 06 died a while after I de-canned it so I didn't do any more testing, but it can be done and when the next GBall comes along, maybe a nubm10 or nubm12 that puts out about maybe a dozen watts I will want to use it with the GBall intact and likely an expander type setup as I am not looking for a projector type line, although there should be a single lens solution as well the expander will be better for burning across the basement.



--

-----------edit-------------

Along the line of your original question, with a diode such as the nubm06 I would think a low power single element lens would work best, maybe take apart a 3 element and try just the thin lens, I won an auction for an 06 and possibly will get another 08 but it will likely take a month to get here on the Chinese slow boat, but when I get them I will test many lenses, I have quite a collection of scavenged lenses.

We should be able to calculate what we need, maybe a bit wider and longer FL lens would be nice, but the big killer is the divergence, although for 50 feet and under a single element that's pretty shallow, rather a low power lens would probably be a good choice.
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Old 01-09-2017, 07:47 PM #40
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Default Re: Techhood, anyone have experienced with them?

Those are some good ideas, I sure would like to know the solution to this, I'd rather not remove the GBall after hearing of so many eventual failures when they are removed, what ever the reason.
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To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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