Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with optics
Search options not deleted
user 203415
Optics is the study of light, and its interaction with matter. It includes topics such as imaging systems, fiber optics, lasers, quantum optics, and more.
3
votes
2
answers
1k
views
Why is it possible to couple multiple wavelengths into a single mode optical fiber?
I'm quite new to the mode theory, but as I understand, single mode fiber should only allow a single pattern of wavelength + polarization.
I'm assuming a non-modulated non-coherent light (a white LED, …
- 65
1
vote
2
answers
2k
views
Why does shorter focal length result in greater beam divergence?
So I got 2 converging Fresnel lenses, one with 50 mm focal length and other 70 mm.
My experiment looks like this:
When trying to focus and SMD LED emitter into a narrow beam (sticking to lenses fo …
- 65