RFH 355nm diode pumped solid state (DPSS) laser for SLA curing 3D printing
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The source of the powerful heart of SLA photocuring 3D printer: the superior beam quality of RFH UV laser
For point-to-line, line-to-surface 3D printing molding process, RFH UV laser is indispensable!
SLA, that is, stereolithography, is a widely used and very important one of several 3D printing technology molding processes that are currently widely used. It has a wide range of applications in aviation, automotive, microelectronics, medical and other industries.
The principle of SLA light curing is to use a specific intensity of laser focus to irradiate the surface of the light curing material (liquid polymer), so that it can complete the printing work on one layer from point to line, line to surface, and then proceed after one layer is completed. The next layer is stacked layer by layer to form a three-dimensional solid product. There are three technical difficulties: light-curing materials, light-curing systems and operating software systems. To complete an SLA project, the three are indispensable, especially the light curing system, which must be stable and fine enough.
At present, the industry mainly uses ultraviolet lasers known as "cold processing" as SLA light curing systems. The 3W-5W 355nm diode pumped solid state (DPSS) laser developed and produced by RFH Laser is such a high-quality UV laser that can be used for SLA photocuring.
RFH 355nm diode pumped solid state (DPSS) laser, short pulse width (<14ns@30K), superior beam quality (M2<1.2), strictly guaranteed in all frequency ranges, perfect spot characteristics (spot ellipticity>90% ), can provide stable curing light for SLA with very high process requirements, and support efficient and high-quality completion of point-to-line, and then to surface, layer-by-layer processing.
