Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers



Hello from the world of computer graphics!

imallett

New member
Joined
Jan 8, 2018
Messages
8
Points
3
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 modeling the visible spectrum makes for much better results. This, and my general quest for realism, are I guess what you'd say started me on a deep dive into optics. Right now, I'm working on a project to measure the per-wavelength refractive index of clear 3D printer resin. One way to do this is to use monochromatic light sources (lasers!) and try to connect the dots.

I've got six lasers here or coming soon (list in signature!) and I'm joining here to hear your thoughts and possibly acquire some new ones! I've been having a hard time finding lasers outside of a few common frequencies, and I don't understand why, if the source diodes are sometimes so inexpensive, why they aren't packaged into handheld lasers so often? So, I'm in the market for some new frequencies, especially in the 460nm–502nm and 550nm–620nm bands, and ≤ ~5mW. The 473nm and 589nm lasers seem popular, though pricey. If anyone would like to suggest (or build) something (not sure how that works) . . . ?

Anyway, thanks for hearing me out. You'll see I've already made a first post!

Cheers,
 



lasersbee

Well-known member
Joined
Sep 20, 2008
Messages
17,680
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113
:wave: Welcome to the Forum Ian..
Sounds like an interesting project.
Keep us informed.

Enjoy your stay...

Jerry
 
Last edited:

paul1598419

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Sep 20, 2013
Messages
19,335
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113
There are many new diodes available in the 460nm to 502nm range. I have some myself. The yellow colors are still only reproduced using DPSS lasers, and so are still expensive. But, these other colors are available in direct diode lasers.
 

BowtieGuy

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Oct 14, 2012
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Welcome to LPF, imallett! :beer:
 




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