Insights

Laser welding process control, in depth.

Technical articles on focal-point measurement, process parameters and battery manufacturing — written with the engineering team behind focusfinder.pro.

Battery laser welding process parameters
01Process Control·6 min read

Critical Process Parameters in Battery Laser Welding — and How to Monitor Them

Laser power, welding speed, focal position and weld geometry decide whether a battery welding process is stable — and how to verify each one in production.

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Single-mode laser focal point measurement
02Focal Position·6 min read

Why Is the Focal Point of a Single-Mode Laser So Hard to Find?

An invisible beam, a 50 μm focal spot, and a beam waist that refuses to become a point — why locating true focus is difficult, and how accurate you actually need to be.

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Laser focal point measurement methods compared
03Comparison·7 min read

Laser Focal Point Measurement Methods Compared

Pulse engraving, direct beam measurement and focusfinder.pro — accuracy, cost and practicality compared for battery module welding.

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