Can laser module lens be fitted with glass protection?

In some specific application scenarios, customers need to design protective devices for the laser range module to achieve dust-proof, waterproof and anti-collision functions. If you need to add a layer of glass protection in front of the lens of the range finder module, the following are some suggestions for purchasing glass:
1. Choose suitable material: choose glass material with high transparency, low refractive index and high temperature resistance, such as borosilicate glass or quartz glass, and the light transmittance must be higher than 90%, the higher the better.
2. Consider reflection and refraction: Make sure that the surface treatment of the glass can reduce reflection and refraction to maintain the accuracy of the laser ranging module.
3. Determine the thickness: select the appropriate glass thickness according to the application environment and conditions of use. Considering that the lens needs to receive the laser signal without affecting its measurement accuracy, choose a sufficiently thin glass, preferably within 1mm, such as 0.8mm, 1mm.
4. Installation method: Use an appropriate method to fix the glass protection sheet in front of the lens of the laser distance measuring module. The gap should not be too large. It is recommended to lightly paste the 1mm spacing, and install the glass and laser beam vertically to ensure a stable installation without affecting the module. operate.
5. Maintenance and cleaning: Regularly check and clean the glass protection sheet to ensure that there is no impurity or dirt on its surface to maintain the accuracy of measurement.
Note that adding a protective glass sheet may have a small impact on the performance of the laser rangefinder module sensor, so before making modifications, it is recommended that you evaluate the trade-off between the required protection and the risk. Also, make sure to follow the manufacturer’s instructions and recommendations for proper operation and use. If you are unclear, please feel free to contact us.

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