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  1. liveforphysics

    Size measurements of emission face of various diodes, mostly single mode.

    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...
  2. liveforphysics

    Success shifting wavelengths of single mode 660nm diode laser using diffraction grating method

    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...