To investigate the acute effects of continuous and pulsed microwave exposure on the lens of the rabbit eye.
| Exposure | Parameters |
|---|---|
|
Exposure 1:
4.2–5.5 GHz
Exposure duration:
2 - 60 min
|
|
|
Exposure 2:
5.5 GHz
Modulation type:
CW
Exposure duration:
2 - 50 min
|
- |
|
Exposure 3:
5.5 GHz
Modulation type:
pulsed
Exposure duration:
2 - 60 min
|
- |
|
Exposure 4:
4.2–6.3 GHz
Modulation type:
pulsed
Exposure duration:
5 - 25 min
|
|
|
Exposure 5:
70 GHz
Modulation type:
CW
Exposure duration:
continuous for 30 min
|
|
|
Exposure 6:
0.8 GHz
Modulation type:
CW
Exposure duration:
2 - 60 min
|
- |
| Frequency | 4.2–5.5 GHz |
|---|---|
| Type | |
| Exposure duration | 2 - 60 min |
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| power | 1 W | average over time | - | - | - |
| Frequency | 5.5 GHz |
|---|---|
| Type | |
| Exposure duration | 2 - 50 min |
| Modulation type | CW |
|---|
No parameters are specified for this exposure.
| Frequency | 5.5 GHz |
|---|---|
| Type | |
| Exposure duration | 2 - 60 min |
| Modulation type | pulsed |
|---|---|
| Pulse width | 5 µs |
| Duty cycle | 0.1 % |
| Exposure source |
|
|---|
No parameters are specified for this exposure.
| Frequency | 0.8 GHz |
|---|---|
| Type | |
| Exposure duration | 2 - 60 min |
| Modulation type | CW |
|---|
| Exposure source |
|
|---|
No parameters are specified for this exposure.
All frequencies used in this study were capable to induce opatic damages. At 5.5 GHz no difference between continuous and pulsed microwave exposure could be observed and lens injury was almost always apparent by the fourth day after exposure. Comparison of the findings obtained at different frequencies suggest that microwave power becomes more effective in producing lens injury as the frequency increases. Preliminary results of 70 GHz exposure suggest a thermal effect of microwave exposure.
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