Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers



New Blue Diodes - NUBM4F




RedCowboy

Well-known member
Joined
Jul 10, 2015
Messages
10,625
Points
113
How about some test data please ?
Also interested to know if the divergence is the same or better/worse.
 

Shmackitup

Active member
Joined
Aug 31, 2016
Messages
265
Points
43
How about some test data please ?
Also interested to know if the divergence is the same or better/worse.
I haven't extracted them yet. I will try to do it by this weekend. I have a bunch of different LPM's but none are professionally calibrated so I don't really trust the readings. I could possibly send one to someone if they have better testing equipment.
 

RedCowboy

Well-known member
Joined
Jul 10, 2015
Messages
10,625
Points
113
I have an Ophir and a Hyperion that read very nearly the same but I can't guarantee accuracy, however I expect we are close enough for our hobby purposes.
 

Ramsey_innovations

Active member
Joined
May 10, 2009
Messages
378
Points
28
Nice! Hopefully these have some improvements in regards to divergence.

So, I'm assuming those two unpopulated diode "cells" came that way since you said you haven't extracted any yet. Interesting, I wonder why that would be?
 

Shmackitup

Active member
Joined
Aug 31, 2016
Messages
265
Points
43
Nice! Hopefully these have some improvements in regards to divergence.

So, I'm assuming those two unpopulated diode "cells" came that way since you said you haven't extracted any yet. Interesting, I wonder why that would be?
There were some other projectors in the past that only had 8 diodes in a 10 diode block. I believe they probably standardized on the 10 diode block and only populate it enough to reach a certain amount of lumens. It allows for a higher lumens model to be produced without actually changing the design in the future as well.
 

Ramsey_innovations

Active member
Joined
May 10, 2009
Messages
378
Points
28
There were some other projectors in the past that only had 8 diodes in a 10 diode block. I believe they probably standardized on the 10 diode block and only populate it enough to reach a certain amount of lumens. It allows for a higher lumens model to be produced without actually changing the design in the future as well.
Thanks, that makes sense. I can't wait to see how these diodes perform!
 

Shmackitup

Active member
Joined
Aug 31, 2016
Messages
265
Points
43
These diodes will take 6 amps.... Not sure for how long but I didn't see any flickering or dimming while I was testing. It shows 7.28W with a G-8 lens on my LPM but as I said before, it's not calibrated. Also, it was originally calibrated for 532nm so that will cause a deviation as well.

The uncollimated beam didn't appear much different than a regular NUBM44 but I didn't measure it.

 

trinh hong phuoc

Well-known member
Joined
May 12, 2017
Messages
954
Points
93
These diodes will take 6 amps.... Not sure for how long but I didn't see any flickering or dimming while I was testing. It shows 7.28W with a G-8 lens on my LPM but as I said before, it's not calibrated. Also, it was originally calibrated for 532nm so that will cause a deviation as well.

The uncollimated beam didn't appear much different than a regular NUBM44 but I didn't measure it.

it is stronger than nubm44?
 

Lifetime17

Well-known member
Joined
Dec 15, 2014
Messages
6,512
Points
113
These diodes will take 6 amps.... Not sure for how long but I didn't see any flickering or dimming while I was testing. It shows 7.28W with a G-8 lens on my LPM but as I said before, it's not calibrated. Also, it was originally calibrated for 532nm so that will cause a deviation as well.

The uncollimated beam didn't appear much different than a regular NUBM44 but I didn't measure it.

Wow I have that same LPM its awesome and its a commercial meter. Its one of five LPM's I have with Ophir power heads.
Looking good buddy
Rich:)73BBD53F-C93F-4EDE-AC3E-C626FBF93DD7_1_201_a.jpeg2A1630BD-F5B5-4C56-97C7-F5F303870894_1_201_a.jpeg9D213EB3-451E-4A51-BDE0-27CEA4D5603A.jpeg
 

Shmackitup

Active member
Joined
Aug 31, 2016
Messages
265
Points
43




Top