The relationship and applications of
camera modules with different types of light are as follows:
Visible Light
Relationship: Visible is the foundation for camera module imaging, with a wavelength range of 380nm-780nm. The optical lens in the camera module collects visible, and the image sensor converts the visible light signal into an electrical signal, thereby generating a color image.
Application: In daily life, camera modules in smartphones and use visible light to take photos and videos. In the field of security surveillance, it is used for recognizing people and vehicle characteristics. On industrial production lines, it can be used for product appearance inspection and size measurement.
Infrared Light (Black Light)
Relationship: Infrared light has a longer wavelength than visible light, ranging from 760nm-1000nm (0.76μm-1mm). Infrared camera modules use special optical materials and designs to allow the lens pass infrared light, and the detector converts the infrared light signal into an electrical signal for imaging.
Application: In the field of security, it is used for night surveillance, capturing the outline and movement of objects in dark environments. In industry, it can be used to detect overheating parts of equipment, preventing faults and accidents In the medical field, it can assist doctors in detecting and analyzing diseased areas, such as infrared thermal imagers which can detect the temperature distribution of the human, aiding in disease diagnosis.
Ultraviolet Light
Relationship: Ultraviolet light has a shorter wavelength than visible light, ranging from 10nm-380nm. Ultraviolet camera modules require detectors sensitive to ultraviolet light and special optical elements to achieve collection and imaging of ultraviolet light.
Application: In industrial inspection, it can detect surface defects on wafers. In power equipment monitoring, it can detect corona discharge phenomena, enabling online monitoring of. In the medical field, it can assist in diagnosing skin diseases, for example, using the property of fungi or bacteria to emit fluorescence under ultraviolet light detection.
X-Rays
Relationship: X-rays are a type of high-energy electromagnetic radiation with extremely short wavelengths. Since they can damage the light-sensitive elements of, special isolation protection measures need to be taken in devices involving X-rays, or special materials and elements insensitive to X-rays should be used.
Application: In medical imaging, such as X-ray machines, although the camera module cannot directly contact X-rays, it can obtain images of the human internal structure through special design and protection in cooperation with the imaging system. In security inspection equipment, the camera can be separated from the X-ray source, obtaining images of the exterior of items and other.