SHARP 515nm laser diode GH05130B2G

[paul1598419]

You sure have had your share of bad luck. I take it you only have one DMM. I have four. I'm not sure what you did that preceded the laser failing so I can't say if it is something you did. Anyway, I hope you are able to replace it.

 

[TinLethax]

Now .I known what to do.so dont be worry .

 

[TinLethax]

By the way ,I haven't see people around here testing the SLD3232VF ,I got four of them.I will open the thread in violet laser soon .Also If I order the replacement diode,I will make a update here.

 

[TinLethax]

Its seem sharp is developing the later version of 520nm green laser diode Link

The left side is GH05130B2G and the right side is GH0521DA2G. I cant find any information about this diode ,may be in developing progress. "A comparison between Sharp's new and previous green-light laser diodes. The newly-developed product with a wavelength of 520nm and an output of 130mW (right) and an existing laser diode with a wavelength of 515nm and an output of 30mW (left). The light from the left diode is slightly bluish. "

 

[paul1598419]

This was posted here awhile back. Same photo and link.

 

[TinLethax]

Oh.So this time like regain memory

 

[smallfreak]

Too bad .I dont have LPM or Spectrometer .I can do only two things is taking the photo(s) and testing by adjust current and voltage.

Maybe you don‘t need a professional spectrometer. With just a cheap grating (a dollar on eBay) and a ruler you may measure the wavelength to about a Nanometer with a good beam quality. You can try with a spare DVD-R, but you should check track density with a known wavelength. There are quite some YouTube instructions on this.

 

[TinLethax]

Diffraction Grating ? ,I have many of them at my school .may be later because
-Laser is died ,I will order new one soon
-School is on vacation