The laser has a lower threshold power density within 3 microns. The laser pointer has a lower threshold power density. QCL has a higher threshold power density. Innovative application of laser pointer: the use of mid-infrared laser as the emission source has many advantages. First, the strongest absorption line of a large amount of trace gas is selected as the detection object, which helps to improve the detection speed and detection limit, and can reduce the entire system Noise, and by reducing the optical path, the device is portable and miniaturized. For example, lasers are used for telemetry of vehicle exhaust. Through the horizontal fixed or vertical fixed full laser motor vehicle exhaust remote sensing monitoring system.
Real-time monitoring of the exhaust gas emissions of CO, CO2, HC (especially C3H8), NO, NO2, N2O and other gas components during vehicle driving, as well as opacity, can effectively automatically identify vehicles and smoky vehicles that do not meet exhaust emissions It has brought effective means for solving the exhaust pollution of motor vehicles, and also provided important data for air pollution control. Breathing can detect what kind of disease is the most popular breath analysis method. Medical expiratory analysis requires very high sensitivity and very low detection limits for detection methods. The appearance of green laser pointer just solves the problem of low sensitivity of conventional methods. Conventional exhaled gases such as CO2, CO, and NO have the strongest in the mid-infrared region Absorption line. Can be accurately detected. For example, by detecting the content of exhaled 13CO2, it is diagnosed whether H. pylori is carried. Exhaust gas NO is diagnosed to diagnose asthma.People will find that the green laser pointer between 1mW-50mW is not clear and obvious in astronomical pointing. The light beam will show darkness and gloom in the sky. How many times have you faced a laser pointer to show your child the wonders of the night sky and your child cannot figure out which star you are referring to? Well, it's useless now. With our powerful laser, the dark sky will become your photo, and you can show it to your child precisely. Although the laser pointer can be very powerful to meet all your needs.