Laser beams in the frequency range of of microwaves

Click For Summary
SUMMARY

This discussion centers on the interaction of maser beams, which operate in the microwave frequency range, with conducting mediums such as biological tissue. Participants explore the effects of these beams on free electrons within the tissue, hypothesizing that oscillation of these electrons leads to heating and the emission of electromagnetic radiation. The conversation also touches on the concept of skin depth, particularly in relation to the propagation of radiation emitted from the tissue. The implications of using materials like thin gold layers for specific applications are also considered.

PREREQUISITES
  • Understanding of maser technology and its applications
  • Knowledge of electromagnetic radiation and its properties
  • Familiarity with the concept of skin depth in conducting materials
  • Basic principles of electron behavior in electric and magnetic fields
NEXT STEPS
  • Research the principles of maser operation and its differences from laser technology
  • Explore the concept of skin depth and its relevance in microwave applications
  • Investigate the effects of electromagnetic radiation on biological tissues
  • Examine materials that can effectively shield or interact with microwave frequencies
USEFUL FOR

This discussion is beneficial for physicists, biomedical engineers, and materials scientists interested in the interactions between microwave radiation and biological tissues, as well as those exploring innovative applications of maser technology.

lost_in_space
Messages
16
Reaction score
0
Hello people,

i have got a few thoughts which i would like to share.

I few month ago i foundout that there are laser beams in the frequency range of of microwaves (maser beams). (http://en.wikipedia.org/wiki/Maser)

I consider the following situation: If a conducting medium (lets think of tissue here) is hit by a maser beam which crosses it (let us assume that skin depht is quite lare) what will happen ?

I believe, first of all, that the free electrons inside our conducting medium (and within the beam) will be forced to oscillate since they are influenced by an alternating electric and magnetic field: in my opinion this should produce two effects:

1) heating

2) schouldn't the electrons emitt electromagnetic radiation. Would this radiation be of the same frequency as the beam that causes it ? If yes, the generated radiation should be possible to propagate out of the tissue again (since it has the same frequency and therefore has large skin depth)

this are my thoughts, i would be greatful for comments.
 
Science news on Phys.org


I don't know what you mean by 'skin depth', but your microwave oven is full of microwaves. There's a screen in the window to keep the microwaves from leaking out, which I assume keeps the energy leakage to a safe level. I haven't seen any microwave ovens with transparent, thin, gold coated windows--or maybe I haven't been paying attention.

Would a thin gold layer suffice for your requirements of tissue thin?
 

Similar threads

  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 6 ·
Replies
6
Views
1K
  • · Replies 3 ·
Replies
3
Views
5K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 17 ·
Replies
17
Views
4K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 16 ·
Replies
16
Views
3K
  • · Replies 1 ·
Replies
1
Views
1K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 4 ·
Replies
4
Views
2K