Marking airport mirror is complete and widely used
Fiber marking machine special, can mark, engraving, drilling
How to choose the field mirror of laser marking machine? What does it do?
Field mirror is a necessary accessory of laser marking machine equipment, also known as flat field focusing mirror, scanning lens, F-0 mirror. It is mainly used to focus the light from the galvanometer on a plane. When purchasing, pay attention to the marking range, determine according to your own needs, and do not blindly seek greater. The wavelength of the optical fiber marking machine and the semiconductor marking machine is 1064nm, and the field mirrors of the two are generally universal. But sometimes if the original imported scanlab galvanometer is used, its field mirror connection ring may not be M85*1, and the field mirror is generally M85*1 thread, this time it is necessary to use a field mirror conversion connection ring.
The main role of laser marking airport mirror is:
1. Improve the ability of the edge beam incident on the detector:
2. Homogenize the non-uniform illumination on the photosensitive surface of the detector:
3. in the same main optical system, the additional field mirror will reduce the detector area; If the same detector area is used, the field of view can be expanded to increase the passing of the incident.
Many customers want to buy a large-format field mirror, because he has to consider his product this time to hit a large, but also think that the next time his product may be larger, perhaps need a larger format, for long-term interests, so buy a large-format. But you forget one thing, the larger the field mirror, the larger the focal length and working distance of the corresponding field mirror. The longer the focal length, the larger the laser focus spot will be, and the same laser is distributed on the larger spot area, and the energy density will inevitably become smaller, which will lead to a shallow marking depth.
Presumably everyone knows that laser energy attenuation in the air is very severe, that is to say, the greater the focal length of the field mirror, the greater the laser energy loss, then the thicker the line out, and the shallower. Therefore, choose the width of the laser marking airport mirror must choose the right one, do not blindly seek big.
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