Precautions for Laser Lens Maintenance and Cleaning
10/20
2020
Most Laser lens In typical power-output lasers It may absorb specific laser wavelengths due to the manufacturing process or external contamination, which will shorten over time. Laser lens its service life, and may be damaged. Laser lens which can affect usage or even lead to cessation. This kind of situation happens from time to time.
Laser lens Increased absorption of laser wavelengths can lead to uneven heating, causing… Laser lens Reflection occurs, and the refractive index will change. When the laser wavelength shifts from high absorption… Laser lens When transmitted or reflected, the non-uniform distribution of laser power causes… Laser lens The center temperature is high while the edge temperature is low. This change is optically referred to as the lens effect.
You Shun recommends cleaning laser lenses. Please note the following:
1. Pick up the mirror. Piece At that time, you must wear finger cots or rubber gloves, because dust and oil droplets on your hands can dirty the lens and lead to performance degradation.
2. Do not use tweezers or any other tools to handle the lens. Piece 。
3. The lens should be placed on lens paper to prevent damage.
4. Do not mirror. Piece Place it on a rough or hard surface; otherwise, the infrared lens is easily scratched.
5. Do not clean or touch the surfaces of pure gold or pure copper.
The thermal lensing effect caused by the high absorption of lenses due to pollution can lead to numerous problems. Laser lens The generation of irreversible thermal stress on the substrate as the beam passes through. Laser lens Power loss during transmission, deviation in the focal point position, and premature damage to the coating can all potentially affect… Laser lens Cause damage. When cleaning lenses exposed to the air, we often fail to follow the proper cleaning requirements and precautions. Instead, we randomly select cleaning materials, which can lead to new contamination—and even scratch the lenses, resulting in irreparable damage. Therefore, based on years of experience, we can conclude that regardless of the type of optics maintained… Laser lens Cleaning: It’s important to develop good cleaning habits and clean thoroughly. Laser lens …to reduce or eliminate pollution caused by human activities. Such as fingerprints and saliva. Generally, whenever you handle optical systems by hand—whether cleaning, disassembling, or installing—you must wear finger cots or medical gloves and always adhere to the requirements and precautions for lens cleaning. During the cleaning process, please use only the specified cleaning methods; shortcuts such as optical lens cleaning wipes, cotton swabs, reagent-grade ethanol, and high‑purity alcohol will shorten the lifespan of the lenses. It could even cause permanent damage to it. Therefore, we must use common sense to prevent other potential sources of contamination—such as moisture, smoke, dust, and the like—from damaging the lenses. Once we’ve confirmed that a lens is contaminated, we need to use ear wash solution to dry the lens thoroughly. Until there are no particles left on the surface. Don’t blow with your mouth. Since most of the air blown out contains oil, water, and other substances, it will further contaminate the lens. If contamination still remains on the surface after handling the ear balls, it must be gently wiped with a special cotton swab moistened with laboratory‑grade acetone, ethanol, or alcohol. This will remove most of the thin layer of pollutants. In the laser Laser lens Pollution can lead to severe acquisition errors in the laser output and even in the data acquisition system. If we can keep the lens clean, we can extend the lifespan of the entire device.
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