Precision that starts at the source
Optical and electrical test solutions for laser development and production
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Laser manufacturers must deliver optical sources with stable wavelength, controlled spectral characteristics, repeatable output power, and reliable operation across different temperatures and operating conditions. Whether producing telecom lasers, tunable sources, industrial systems, medical lasers, or scientific instruments, engineering teams must understand how the laser behaves during startup, modulation, thermal changes, long-term operation, and production variation. Optical performance is also closely connected to the quality of the driver electronics, control loops, cooling systems, and power supplies. Small changes in drive current, temperature, or component alignment can lead to wavelength drift, unwanted side modes, noise, or reduced output stability, making comprehensive optical and electrical characterization essential from early development through final production testing.
“What I value in the Yokogawa optical spectrum analyzers is their reliability and precision. They are also very easy to use. The availability of OSAs in the visible range is much more limited than in the telecom or near-infrared ranges. Yokogawa can cover nearly all the wavelength ranges we work with, and performance in the visible range is particularly important to us.”
Dr. Lasse Orsila, Optical Engineer, Modulight and medical doctor
Yokogawa helps laser manufacturers verify optical and electrical performance throughout development, qualification, and production. The AQ6380 Optical Spectrum Analyzer enables high-resolution analysis of narrow and closely spaced telecom-band spectra, while the broader AQ6370 Series supports laser characterization across visible, near-infrared, and mid-infrared wavelengths. The AQ6151B Optical Wavelength Meter provides highly accurate wavelength measurement for calibration, wavelength locking, and stability testing. On the electrical side, DLM Series Mixed Signal Oscilloscopes and Yokogawa electrical power analyzers help engineers evaluate laser drivers, modulation signals, trigger timing, control circuits, input power stability, and power-supply behaviour that influence the resulting optical output.
