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Home » News » Blog » How to choose USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens(five)

How to choose USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens(five)

Views:2     Author:Site Editor     Publish Time: 2019-01-19      Origin:Site

        If the required polarization on the workpiece is different from the polarization naturally produced by the laser, a circular polarizer can be used. Such USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lenses convert linearly polarized light into circularly polarized light. For this type of USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens, the reflectivity is slightly reduced, but the consistency and quality of the cut are sufficient to make up for the deficiency.  Another important consideration in choosing a USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens is the total output energy of the laser beam delivery system. The total output energy of any laser transmission system can be multiplied by the reflectivity of all the reflective USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lenses in the system. For example, one system consists of four reflective USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lenses, each with a reflectivity of 99.6%, and the total output energy is (0.996) 4 x 100% = 98.4%.

       Most laser users know in advance the minimum power required to achieve the best speed and quality on the workpiece. If the required power level is known, the user can calculate the minimum reflectivity of the reflective USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens in the beam delivery system. If the power level is unknown, it is safe for the user to specify a USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens with a higher reflectivity. In addition, the choice of high reflectivity USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lenses can also offset the performance degradation caused by excessive time. When purchasing a USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens, the user must measure the longer life of the USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens to avoid increasing costs.    As reflective mirrors used in any beam delivery system, their reflectivity will be too long over time due to dirt and deterioration of their surface. Lower reflectivity results in higher absorption, resulting in overheating and deformation of the mirror surface. This deformation results in a deformed beam size and shape on the final focusing USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens and workpiece. In order to extend the life of the beam-transparent reflective USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens while minimizing thermal distortion, the user should periodically clean the reflective USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens.

    In order to calculate the total output energy of the beam delivery system, the user must know the reflectivity of each of the reflective USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lenses, not the normal angle of incidence, but the precise angle of incidence and direction of polarization of the beam as each mirror is used. Because the reflective USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens reflects S-polarized light higher than the P-polarized light, the polarization of the beam on each reflective USA Zn se12mm 18mm 19mm 19.05mm 20mm 22mm 25mm 28mm 38 .1mm Co2 laser optical lens has a significant impact on the overall output energy of the entire system.


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