Optical catastrophic destruction

Possibly because both are at the extreme ends of the frequency spectrum of visible light.

If that is the reason then the Blue Laser diode must also have some destructive effect why it is not having such an effect

its because of bandwidth and the intensity variation.red laser is of more and sharp intensity with narrow bandwidth comparatively with others.

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<a href="https://en.wikipedia.org/wiki/Color" target="_blank" rel="nofollow noopener noreferrer">Color</a> <a href="https://en.wikipedia.org/wiki/Frequency" target="_blank" rel="nofollow noopener noreferrer">Frequency</a> <a href="https://en.wikipedia.org/wiki/Wavelength" target="_blank" rel="nofollow noopener noreferrer">Wavelength</a>
<a href="https://en.wikipedia.org/wiki/Violet_(color)" target="_blank" rel="nofollow noopener noreferrer">Violet (Color)</a> 668–789 THz 380–450 nm
<a href="https://en.wikipedia.org/wiki/Blue" target="_blank" rel="nofollow noopener noreferrer">Blue</a> 606–668 THz 450–495 nm
<a href="https://en.wikipedia.org/wiki/Green" target="_blank" rel="nofollow noopener noreferrer">Green</a> 526–606 THz 495–570 nm
<a href="https://en.wikipedia.org/wiki/Yellow" target="_blank" rel="nofollow noopener noreferrer">Yellow</a> 508–526 THz 570–590 nm
<a href="https://en.wikipedia.org/wiki/Orange_(color)" target="_blank" rel="nofollow noopener noreferrer">Orange (Color)</a> 484–508 THz 590–620 nm
<a href="https://en.wikipedia.org/wiki/Red" target="_blank" rel="nofollow noopener noreferrer">Red</a> 400–484 THz
620–750 nm ​

The last table shows that almost all the colours have the almost same frequency Bw and blue has lesser BW than Red so it must undergo more destruction right

PS : source wikipedia

sorry for copying it

ok it can be considered my pal,it won't looking in a matter of little value but which colour among all will have sharpness comparatively means red itself then comes blue .you can follow the below link to clear you r doubt jeffrey...
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