![optics - What is the likely source of these interference/noise patterns in my DIY laser micro-projector? - Physics Stack Exchange optics - What is the likely source of these interference/noise patterns in my DIY laser micro-projector? - Physics Stack Exchange](https://i.stack.imgur.com/JXetK.jpg)
optics - What is the likely source of these interference/noise patterns in my DIY laser micro-projector? - Physics Stack Exchange
![How to Build Your Own Projection Microscope with a Syringe, Laser Pointer, and Drop of Water « Mad Science :: WonderHowTo How to Build Your Own Projection Microscope with a Syringe, Laser Pointer, and Drop of Water « Mad Science :: WonderHowTo](https://img.wonderhowto.com/img/32/09/63479514811900/0/build-your-own-projection-microscope-with-syringe-laser-pointer-and-drop-water.w1456.jpg)
How to Build Your Own Projection Microscope with a Syringe, Laser Pointer, and Drop of Water « Mad Science :: WonderHowTo
![turns out r/pics probably wasn't the best place to post this so I figured maybe you guys would appreciate this. Here's my DIY 1900mW RGB Laser Projector! : r/DIY turns out r/pics probably wasn't the best place to post this so I figured maybe you guys would appreciate this. Here's my DIY 1900mW RGB Laser Projector! : r/DIY](https://external-preview.redd.it/LIIIVDPATa7TNpHj3bM__I68ETD1XvliVnOWDO4Wifc.jpg?width=640&crop=smart&auto=webp&s=68e250b2fd0ca5e10c3c5a34dbddc59d54e7b823)