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This is a sharp 505nm single mode laser diode. I measured the emission surface area, and 3d scanned the emission surface depth relative to the top face of the metal can. I plan to make each post I make in this thread another laser diode with the same measurements taken. The tool Im using to do...

A few folks here mentioned to me shifting a laser output wavelength with a diffraction grating. It seemed too amazing to be possible, but it works! The magic is getting a setup reflecting a portion of the gratings reflection right back down the laser diode. Able to shift this 660nm single...