Can you laser cool from afar?

  • #1
3
0

Main Question or Discussion Point

Just wondering If it is possible to laser cool an object from afar or from a large distance away? Suppose you wanted to laser cool a planet with satellites in orbit around it, Would that be possible? Doesn't matter If they'd have to be ridiculously huge to have a noticeable effect or would take a very long period of time, Just wondering If it's possible. If not, then what is the threshold distance you can laser cool from if any?
 

Answers and Replies

  • #2
Danger
Gold Member
9,607
244
I can't see any way that it could be done at all. Do you know how laser cooling actually works?
 
  • #3
1,241
189
I do but I've only heard of it in the context of super-cooling, like very near absolute zero.

In that regards it more or less gives very low energy electrons nowhere to move, but only very low energy before it is employed.
 
  • #4
3,740
417
Just wondering If it is possible to laser cool an object from afar or from a large distance away? Suppose you wanted to laser cool a planet with satellites in orbit around it, Would that be possible? Doesn't matter If they'd have to be ridiculously huge to have a noticeable effect or would take a very long period of time, Just wondering If it's possible. If not, then what is the threshold distance you can laser cool from if any?
Can you cool an object with laser if you are close by?
How would you do it?
 

Related Threads on Can you laser cool from afar?

  • Last Post
Replies
6
Views
3K
  • Last Post
Replies
4
Views
3K
  • Last Post
Replies
3
Views
747
  • Last Post
Replies
7
Views
2K
  • Last Post
Replies
3
Views
2K
  • Last Post
Replies
8
Views
4K
  • Last Post
Replies
17
Views
26K
  • Last Post
Replies
14
Views
1K
Replies
4
Views
553
Replies
1
Views
3K
Top