What Is Fiber Laser Cutter And What Is It Used For?
The fiber laser cutter is a gained medium which is usually engaged in an optical fiber doped that has a rare-earth elements like erbium, ytterbium, dysprosium, praseodymium, neodymium, thulium, and holmium. These rare-earth elements mentioned above have a connection to doped fiber amplifiers. These amplifiers are capable of generating light amplification without losing.
Fiber consisting of active Raman scattering or four-wave mixing also brings profit. Therefore, it serves as a gain media for a fiber laser cutter.
Fiber Laser Cutter Application And Advantages
Light in the flexible fiber
The light in the fiber makes it possible to be transported to a movable focusing element. It is essential for welding, laser cutting, metals, and polymers folding.
High power output
It has very agile regions with long kilometers. Therefore it brings an optical gain that is very high. These fiber lasers also have the capacity to support kilowatt levels of consistent power output. The large surface area to the volume ratio usually has a sufficient cooling system.
The properties that make up the waveguiding has a way of eliminating thermal malformation of the optical path, which results in a diffraction-limited, and high-quality optical beam.
They are compact (fiber laser) because of the fiber which can be bent and coiled to create space, unlike rod or gas whose lasers are comparable power.
What Kinds of Fiber Can the Machine Be Used to Cut?
1. Double-clad fibers
There is high-power fiber which is based on the double-clad fiber. The gain medium is the main core of the fiber. This medium is usually surrounded by two layers of cladding. Lasing mode multiples in the core while multimode pump beam multiple in the inner cladding layer. The outer coating protects this pump light confined.
Furthermore, the fiber lasers and amplifiers are most times called a bright converter. A fiber which has a circular symmetry is a bad design because this design doesn't make sure the core is small enough to give support to the modes.
2. Power scaling
Currently, fiber laser technology has led to an increased achievement in diffraction-limited beam powers which is from diode-pumped solid-state lasers. It all resulted to this when large mode area fibers were introduced.
3. Mode locking
Under this, we have the active and passive mode locking. Passive mode locking, when the intensity of light is robust, a non-linear optical Kerr in the fiber must be put into consideration. This brings more changes to the light polarization.
Higher intensity usually experiences a lesser absorption loss on the polarizing. NPR procedure makes use of the artificial saturable absorption so as to achieve a passive mode locking in the fiber laser ser. The Active mode locking, it is usually obtained by modulating the gain or loss of the laser cavity after a repetition rate that is equal to that of the cavity frequency.
4. Dark soliton fiber lasers
In the non-mode locking era, the Dark soliton fiber lasers is a success in a normal dispersion erbium-doped fiber laser and also with a polarizer in cavity. Fiber also brings out multiple or single dark pulses.
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