Category Archives: pump combiner

Pump Combiner is designed for high power applications. Pump Combiner can be used to combine the power from several multimode laser diodes, delivering the combined power for applications in industrial, military, medical and telecommunications markets

Pump and signal combiner for bi-directional pumping of all-fiber lasers and amplifiers(10)

7. Signal feedthrough of the fiber combiner Besides the pump power handling and the pump coupling efficiency of a fiber combiner, it is important for fiber laser and amplifier applications to maintain the optical properties of the signal light propagating … Continue reading

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Work Theory of the Laser Cutting Machine(2)

Cutting methods of laser cutting machine Vaporization cutting It means that vaporization is the main way to remove the processed material. In the process of vaporization cutting, workpiece surface is heated to vaporization temperature quickly by focused laser beams, forming … Continue reading

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Work Theory of the Laser Cutting Machine(1)

Laser has been applied in teaching, military as well as industrial production. Laser cutting machine is one of the applications. It can be used in both metal and non-metal cutting, Melting surface material by laser beam. This article will discuss … Continue reading

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Pump and signal combiner for bi-directional pumping of all-fiber lasers and amplifiers(9)

6. Demonstration of 440 W pump power handling After detailed theoretical and experimental characterization of fiber pump combiners with multiple pump ports, a pump power handling performance test was conducted. For these investigations each pump port of a 4 + … Continue reading

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Pump and signal combiner for bi-directional pumping of all-fiber lasers and amplifiers(8)

Pump and signal combiner for bi-directional pumping of all-fiber lasers and amplifiers(8) 5.2 Simulations of the loss mechanism caused by additional pump ports As already discussed, the total power loss is comprised of TP, PAA and PCT. Since a TL … Continue reading

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Fiber Laser Welding: Some Traits and Applications(2)

Technological parameter of laser welding: (1) Power density Power density is one of the key parameters in laser processing. When the power density is relatively high, the surface would be heated to boiling point in microseconds, thus generate mass vaporization. … Continue reading

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Fiber Laser Welding: Some Traits and Applications(1)

What is fiber laser? The world’s first laser beam is produced in 1960 by the use of flashbulb stimulating ruby crystalline grain. Limited by the thermal capacity of the grain, the pulsed beams is short and the frequency is very … Continue reading

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The Comparative Between Fiber Laser Cutting Machine and CO2 Cutting Machine

Cutting is one of the most widely applied laser processing techniques. Fiber laser and CO2 laser are the most commonly used laser cutting equipment. It is necessary for users to have a knowledge of the advantages and disadvantages of both … Continue reading

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Ultrafast laser pulses induce atoms in gold nanodisks to vibrate

In a study that could open doors for new applications of photonics from molecular sensing to wireless communications, Rice University scientists have discovered a new method to tune the light-induced vibrations of nanoparticles through slight alterations to the surface to … Continue reading

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China laser innovation awards program now accepting nominations

The 2015 Ringier Technology Innovation Awards – Laser Industry is now open for applications up until January 4, 2015. Now in its second year, the Awards consist of six categories: Lasers, Laser Systems for Production Engineering (Laser Cutting Systems, Laser … Continue reading

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