Seems like a good approach, if the diode in-question doesn't work at 5mW. One might just plan on setting to ~10mW and cutting in half with OD 0.3, meaning the diode is operating more in its design range (more stability?). Although, I looked around a bit and didn't see ND filters that were...
To clarify, I meant to set the driver's output current to lower, so that the optical output is lower. I wasn't considering throttling the driver's inputs. As I understand it, the driver will adjust its output voltage over some small range so that a constant current flows across the diode. The...
Hi,
I would like a cyan (465–495nm-ish) laser for casual use (i.e., actually pointing with it in public settings where people won't be wearing safety googles)—necessitating an output power of 5mW. Whereas, the (few) cyan laser products that exist are either expensive (example: Laserglow...
Yep! Here's the Python script I wrote for doing these calculations. Add more elements to the tuples to add more modes, and add more tuples to take more measurements. :beer:
Re: How to solve questions of the form "Is (*)mW at (*)nm brighter than (*)mW at (*)n
I've definitely encountered Sam's laser pages, though not this chart in-particular.
I don't think this is correct; in photopic conditions e.g. 473nm and 650nm have almost exactly the same response—see e.g. the...
Hi,
My name is Ian. I'm a computer science / optics Ph.D student.
My main work is on figuring out how to take geometric descriptions of things and turn them into photorealistic pictures. Most people use approximations to do this, but I've found that being a little more careful with accurately...
How to solve questions of the form "Is (*)mW at (*)nm brighter than (*)mW at (*)nm?"
Hi,
I've seen a lot of questions of the form: "Is (*)mW at (*)nm brighter than (*)mW at (*)nm?" (ex 1, 2, 3, 4, 5, 6, etc.).
The first thing to know about is the luminosity function, which basically says how...