High-Power Laser Measurement: Cooling Methods

Measurement of high-power lasers requires efficient heat control in power measurement sensors. Choosing the right heat transfer method is a critical step in configuring a reliable, accurate high-power laser meter.

The following article, written by Asher Izsak, sr. mechanical engineer on our R&D team, explains why choosing the right heat control method is one of the most important considerations when choosing a suitable laser power measurement sensor for your needs.
It will review the different cooling technologies used in high-power laser measurement sensors. It will also examine the changing requirements of the cooling system as the power levels of the laser increase, and consider how these are met by fan and water cooling methods.

In addition, this article will compare the different cooling requirements of a pulsed laser measurement sensor and a continuous wave (CW) laser measurement sensor, and discuss the technologies that make it possible to use a non-forced cooled sensor – a sensor without a fan or water cooling – to measure high-power lasers.

Read full version here

FIGURE 1. Conduction and convection areas within within the FL600 fan-cooled sensor.

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