Infrared thermal imaging lens is an optical lens used for infrared thermal imaging, typically employed to convert infrared radiation into visible images or digital data.

These lenses are commonly integrated into infrared thermal imaging devices, such as infrared thermal imagers or infrared cameras, for detecting and displaying the temperature distribution on the surface of target objects.

The working principle of infrared thermal imaging lenses is based on the relationship between the infrared radiation emitted by objects and their surface temperatures. They collect the infrared radiation emitted by target objects, focus it onto detectors or sensors, and then convert these radiations into visible thermal images or digital data. In the images or data, different colors or brightness typically represent areas of different temperatures, allowing users to intuitively identify the temperature distribution of target objects.

The main features and applications of infrared thermal imaging lenses include:

1. Non-contact temperature measurement: Infrared thermal imaging lenses do not require direct contact with target objects, making them suitable for measuring the temperature of objects in high-temperature, moving, or hazardous environments.

2. Real-time imaging: Infrared thermal imaging lenses can display the temperature distribution of target objects in real-time, widely used in fields such as construction, electric power, medical care, and security for thermal anomaly detection, fault diagnosis, and monitoring applications.

3. Detection of invisible targets: As infrared radiation can penetrate fog, smoke, and other visual obstacles, infrared thermal imaging lenses are also used for detecting invisible targets, search and rescue missions, and other tasks.

4. Scientific research: Infrared thermal imaging lenses are extensively used in scientific research fields such as geology, meteorology, and biology for studying and monitoring temperature changes and heat distribution of the Earth and biological organisms.

In summary, infrared thermal imaging lenses play a crucial role in various fields, providing users with a fast and effective tool for obtaining temperature information of target objects.