Solid state lasers

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Lasers
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compensation laser / Nd:YAG / for welding machines / solid state - 1 064 nm, 0.25 W | LW5AM

Miyachi Unitek LW5AM micro laser welding machine is capable of meeting the strict FDA process requirements which makes it ideal for long-term high-quality laser welding for medical equipment, surgical tools, implants and...

compensation laser / Nd:YAG / solid state / for welding machines - 532 nm, 5W | LW5AG

The Green Micro Spot Laser Welder 5W is a non contact welding machine that features a micro weld conductive parts and real time power feed...

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compensation laser / Nd:YAG / solid state / for welding machines - LWY200, LWY300, LWY400, QAC&BACL

Compensations lasers are integrated with Nd YAG manufactured by HG LASER, and are available in three models; namely the LWY200, LWY300 and the LWY400. These machines make use of...

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How to choose this product

solid-state-laser

Solid state lasers are composed of a solid state amplifier (crystal, glass, semiconductor). The crystal or glass is doped, which determines wavelength. Sufficient optic cavity strip size can result in a powerful laser. The pumping is optical (flashes or diodes).

In semiconductor lasers, the cavity is the diode's p-n junction. The pumping is electrical (low-voltage flow in the junction). The resulting power is weaker.

Applications

Applications depend on beam power. Crystal lasers deliver very high power (from continuous kW to pulsed GW), and are used to weld, mark and cut materials.

Semiconductor lasers have low-power applications in telecommunications and in optoelectronics. They are the most common laser type. However, they are also used in high-power applications (kW) such as marking and welding.

Technologies

The gain medium of these lasers is a solid material. Crystal lasers have optical cavities (YAG, ruby, sapphire) doped with Cr and Ti ions, but also rare earth elements (Nd, Yb, Er, et al.). Semiconductor lasers use a doped silicon p-n junction. Energy is provided at the center via continuous or pulsed pumping.

How to choose

Choice of a solid state laser depends on the desired use. The amplifying unit (semiconductor, crystal) determines the wavelength and the power range. Choice will also depend on the pumping mode (flash lamps, diodes or electrical current), which establishes the mode of operation (pulsed or continuous) and the output power.

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