Can a wave rotate about its axis?

  • Thread starter bomba923
  • Start date
  • #1
759
0
Can a wave rotate about its axis??

Can a transverse wave "rotate" about its longitudial axis (kind of like an airplane's "roll" maneuver)?

If it could, i don't think we could detect it; if it did, i don't think anything will really get affected. But could it?? Not that it would...i mean, there's nothing making it rotate (or is there something??)...but could it?

For example, when light diffracts in the air--well, it spreads, but could the wave itself "rotate" about its longitudinal axis (with all that spreading and diffracting)? not that it would affect anything, but could it??
 

Answers and Replies

  • #2
dextercioby
Science Advisor
Homework Helper
Insights Author
13,172
741
bomba923 said:
Can a transverse wave "rotate" about its longitudial axis (kind of like an airplane's "roll" maneuver)?

U refer to a plane wave...??I wouldn't call that "wave rotation".Other things wan rotate,e.g.VECTORS... :wink:

bomba923 said:
For example, when light diffracts in the air--well, it spreads,

Can u please expose shortly the theory which asserts that light diffracts in the air...?Maybe i should read again those 350 pages in Born & Wolf...

Daniel.
 
  • #3
reilly
Science Advisor
1,077
1
A circularly polarized light wave does what you want.
Regards,
Reilly Atkinson
 
  • #4
Gonzolo
To make a linearly polarized beam rotate, you make it go through an "optically active" material or use the magnetic Faraday effect. The difference between the two are being discussed here :

https://www.physicsforums.com/showthread.php?t=62808

Though the effect is not very important in natural systems, it is extremely important for many optical devices.
 
  • #6
brewnog
Science Advisor
Gold Member
2,719
7
Circular polarisers are used in photography to deepen blue skies and reduce reflections on plane surfaces, - linear polarisers do the same job but tend to interfere with autofocus and TTL metering systems.
 

Related Threads on Can a wave rotate about its axis?

  • Last Post
Replies
14
Views
3K
Replies
2
Views
5K
  • Last Post
Replies
3
Views
3K
Replies
46
Views
1K
  • Last Post
Replies
2
Views
939
  • Last Post
Replies
3
Views
881
Replies
1
Views
9K
  • Last Post
Replies
3
Views
923
Top