Imaging applications that work on different sections of the electromagnetic spectrum include visible light, low light and infrared thermal imaging. There are various uses, benefits and drawbacks of these technologies. This article gives information about the advantages and disadvantages of visible light to know more about this article.
Advantages of visible light
- Comparing visible light to microwaves and radio waves, visible light uses much less energy.
- It is the only electromagnetic spectrum light widely used by humans and visible to the human eye.
- In addition to using radio waves, MRI scanners also employ visible light, which is safe for people to be around and has many applications.
- Visible light cameras are less expensive to purchase than thermal cameras since they are so often utilised. In addition compared to thermal imaging, the technology is more developed and simpler to use and incorporate.
Disadvantages of Visible light
- Due to air absorption, beam dispersion, and other factors, visible light transmission has a minimal range. Additionally, both the sender and receiver must be in line of sight.
- Compared to radio waves, visible light poses significantly fewer risks and causes less damage. However, extended exposure to visible light may damage the eye and result in major health issues.
- If the protective on film cameras and x-ray machines are removed, visible light can permanently damage these equipment. Protective coverings control the quantity of light that can enter their spaces.
- Using LED lighting along with visible light cameras at night results in a significant amount of light pollution, which may be problematic for anyone living near the cameras.
- Only during the full day can be visible light camera function properly. LED lighting is required for the cameras to function at night. LED lighting is not very energy-consuming, but it does require maintenance because of the added lights.
- Compared to thermal cameras, their positions are more visible and their viewing is easy to avoid.
Conclusion:
Every technology has advantages and disadvantages of its own, which makes it perfect for specific conditions and environments. Whereas low-light imaging allows improved vision in low-light conditions, visible imaging generates images of high quality.
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