Heatsinking required?

[Alessandros]

Hey everyone,
As you may have seen from my other threads, I'm planning on making a bunch of lasers of different wavelengths at around 250 mW
My question is, what wavelength diodes would need heatsinking at this power level?
Thank you!:beer:

 

[Hemlock_Mike]

ALL OF THEM ☺
HMike

 

[Alessandros]

Thank you!
Alessandro