Industrial & Medical Technology

Thermoelectric Modules Effectively Cool Industrial Lasers

12 May 2016

Laird has developed a high heat flux density thermoelectric module (TEM) designed to achieve a higher heat pumping capacity than standard TEMs. Assembled with a large number of semiconductor couples, the UltraTEC Series TEM has a heat pumping capacity up to 340 watts, ideal for larger cooling applications with limited surface area such as industrial lasers.

UltraTEC Series thermoelectric module. Source: LairdUltraTEC Series thermoelectric module. Source: Laird
Whether used for cutting, welding, micro-machining, additive manufacturing, or drilling, industrial lasers generate a significant amount of heat. Efficiently cooling lasers can be a significant challenge. To ensure proper, long-term performance of the laser, heat needs to be quickly and effectively dissipated.

The UltraTEC Series TEM not only offers high heat pump density, but precise temperature control to within ± 0.01°C under steady state condition. Providing reliable solid state operation, the TEM cooling solutions does not produce noise or vibration and is available in multiple configurations.

Assembled with Bismuth Telluride semiconductor material and thermally conductive Aluminum Oxide ceramics, the UltraTEC Series is designed for higher current and larger heat-pumping applications. With a Q Max @ temperature rating of 340.6W @ 25°C and heat pumping capacity up to 340 watts and an operating temperature up to 80 °C, the UltraTEC ensures the laser system will not overheat. For all UltraTEC™ Series modules, wire is stranded, 152 mm (6.0 in.) long or 200 mm (8.0 in.) and PVC insulated.

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