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Old 08-04-2017, 05:20 PM #1
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Default WTB <505nm batch diode - SB1573N91, SB1473N91

I am looking for a source of the low-wavelength batch(es) of the recent 505nm diode. I have a couple from DTR's batch (SB147EC91) which run at about 510nm, but would like to find a couple of the earlier ones floating around which ran lower. This would be -correct me if I'm wrong- the case positive SB1573N91 or the case neutral SB1473N91.

I see people on ebay claiming to be selling these particular diodes, but I don't trust that I won't get the more common 510nm batch. Also, I would like to find a source that would arrive quicker than a boat from China, if possible. DTR has me spoiled with his great service

So, if you have one of these diodes/modules and are willing to sell it, I would like to buy a couple from you. I'm also open to suggestions of reliable sources of this particular part number, though I realize it was a pretty much one-off run. When will we see more, new batches, I wonder?


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Old 08-04-2017, 08:59 PM #2
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

I had no idea how popular these diodes would become when I was measuring them a couple weeks ago. You have all the correct information. I did have an extra one, but BowtieGuy beat you to it. I am unaware of a source for these diodes now. Sorry.
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Old 08-05-2017, 12:49 PM #3
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

That's what I feared. I suppose it's possible that other people in the community have one they would be willing to sell. I'm basically putting a cash bounty on finding one. I'll have to negotiate it with whomever has it, because they will be at different levels of "attachment" to it.

Somewhere, out there...
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Old 08-05-2017, 03:30 PM #4
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

Newgazer is were I got mine is this not the lower wavelength ones!

From what I've been reading it is!

https://www.ebay.com.au/itm/112426078090

And they always arrive pretty quick for me here in Sydney!
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Old 08-05-2017, 03:55 PM #5
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

I was looking into DTR's 505's but I wasn't too sure if they were <505 or not.
I'm quite interested as well if there is a reliable source of those N91's.

BBB, I might message Newgazer to make sure that every one of those diodes in his batch is either the SB1573N91's or SB1473N91's.
If they all are then brilliant and thanks for sharing.

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Old 08-05-2017, 06:22 PM #6
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

Quote:
Originally Posted by CurtisOliver View Post
I was looking into DTR's 505's but I wasn't too sure if they were <505 or not.
I'm quite interested as well if there is a reliable source of those N91's.

BBB, I might message Newgazer to make sure that every one of those diodes in his batch is either the SB1573N91's or SB1473N91's.
If they all are then brilliant and thanks for sharing.


Please post the answer from Newgazer. Would be really great if they are the <505nm ones.

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Old 08-05-2017, 06:37 PM #7
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

Will do.
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Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
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Old 08-05-2017, 06:55 PM #8
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

I asked this question before I purchased and this is the response,
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WTB &lt;505nm batch diode - SB1573N91, SB1473N91-phpvxky.jpg  
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Old 08-05-2017, 07:13 PM #9
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

Cool, well I've asked him to specifically confirm that they are all SB1573N91's. That answer can be considered quite loose IMO as the others are still referred to as 505's as well.
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Optlasers RGB Modules

Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
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Old 08-05-2017, 08:11 PM #10
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

I believe Existotem has them cheaper than Newgazer, even though they are the same company. I don't have that link at the moment, but shouldn't be that hard to find.
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Old 08-05-2017, 08:46 PM #11
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

Quote:
Originally Posted by CurtisOliver View Post
Cool, well I've asked him to specifically confirm that they are all SB1573N91's. That answer can be considered quite loose IMO as the others are still referred to as 505's as well.
I don't think you are going to get a more specific answer than that from them but let's hope you do for everyone's sake!
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Old 08-05-2017, 08:52 PM #12
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

Quote:
Originally Posted by paul1598419 View Post
I believe Existotem has them cheaper than Newgazer, even though they are the same company. I don't have that link at the moment, but shouldn't be that hard to find.
Just yesterday you said you were unaware of a source for these diodes now,

Now Existotem has them cheaper wow!

Techood has them for $38.
Existotem. $36.50
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Old 08-05-2017, 10:21 PM #13
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

Yesterday I was unaware of another source. The Existotem link is: Sharp 505nm 35mW Green Laser Diode/5.6mm/Brand new/1 pcs | eBay. They are listed as SB1573N91 with a photo of the diode's window. They are $36.50 each and if singlemode would like to have them shipped to me, I will verify the wavelength.
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Old 08-06-2017, 01:25 AM #14
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

I got one from Newgazer and Techhood and they were both the ~505nm diode version. I used the best offer on techhood and got it for $30. So if they will still accept that price they would be the cheapest. I can also confirm that both Newgazer and Techhood sent the diode in the identical way and with the same handwriting . Both were the SB1573N91 diode.
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Old 08-06-2017, 02:05 AM #15
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

Nice, Matt. I didn't even think of recommending that as I thought they were running low on them. Wish I had known.
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Old 08-07-2017, 09:17 PM #16
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Default Re: WTB <505nm batch diode - SB1573N91, SB1473N91

I grabbed one each from Existotem, Newgazer, and Techhood. Hopefully they are all legit and I will have some to choose from. I don't have a spectrometer to check them and put a number on it, but I have some of the SB147EC91's and diffraction gratings. I can look at the printed number on each, and will try binning them with the grating at least relative to each other and the ~510nm batch DTR offers.
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