Can you identify this Blu-Ray diode?

[loreadarkshade]

I recently salvaged old DVD drives that were donated to me.
Unfortunately, I threw away the case which had part numbers.
To my surprise, one of the many diodes extracted powered on blue! (I'm guessing Blu Ray diode)

Here's where I'm a little lost. Most of the Blu Ray diodes are within the violet 405nm range, while this diode is clearly more of a blue 445nm wavelength to me.

Any ideas?

This might have come from a Blu-Ray dvd reader, not too sure, I disassembled so many identical other red diodes.

P.S. This is my first post! If I did anything wrong, please be nice and teach me! Thanks for having me.

 

[Shotgundrums]

Might be able to help if the drives were available. These diodes come it a wide range of power potential. Drive them at lower I for longevity.
SGD

 

[Giannis_TDM]

I recently salvaged old DVD drives that were donated to me.
Unfortunately, I threw away the case which had part numbers.
To my surprise, one of the many diodes extracted powered on blue! (I'm guessing Blu Ray diode)

Here's where I'm a little lost. Most of the Blu Ray diodes are within the violet 405nm range, while this diode is clearly more of a blue 445nm wavelength to me.

Any ideas?

This might have come from a Blu-Ray dvd reader, not too sure, I disassembled so many identical other red diodes.

P.S. This is my first post! If I did anything wrong, please be nice and teach me! Thanks for having me.

It's blue because you are shining it against the paper so it makes the paper spontaneously emit blue light in the 455-470 range. All 405s do that. I don't recommend giving that diode more than 50mA since it's from a reader.

 

[loreadarkshade]

It's blue because you are shining it against the paper so it makes the paper spontaneously emit blue light in the 455-470 range. All 405s do that. I don't recommend giving that diode more than 50mA since it's from a reader.

Woah.. that's interesting! I would have never guessed that's how light worked. Blue light created by purple light.

Yeah, This thing can take way more mA.. but you're right, I want this thing to last! Thank you
!