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Its some really cool stuff! My work was mostly in developing hardware which was integrated into holography downstream, so I wasn't getting a whole lot of visibility into what my work was getting built into so I never got to play with the cool displays like that. But I happen to know that a...

Thanks for sharing! I am taking a maybe overly complex approach, using a photodiode to catch the light instead of a solar panel. It remains to be seen whether the extra complexity and alignment pains will actually result in a usable system, but my aim is to be a low cost functional copycat...

G'Day I'm an Aussie PhD student, I've worked in optics doing liquid crystal holography stuff for a few years, and now I'm doing my PhD in Free Space Laser Comms with spacecraft Now that I'm tinkering with lasers in my home lab, and can't just buy the expensive research grade stuff I realise it...

Brilliant, chapter 13 describes the thing i am trying to do exactly! In case any future readers stumble across the thread, here is the circuit diagram the book suggests. (since there is nothing worse when googling than finding a thread describing your problem, shortly followed by a "I fixed it"...

Ths link didn't get formatted correctly. But it is a pretty standard 3 pin, 635nm 7mW diode laser

I was wondering if anyone had experience driving a laser diode with a modulated intensity. For a side project I am toying with, I want to modulate an audio signal onto the intensity of a red laser say [something like this](https://www.farnell.com/datasheets/3215790.pdf) I imagine I can use a...