Product Knowledge
2026-09-18 11:40:00
Designing the 660nm/905nm Optical Pair for Pulse Oximetry: Wavelength Matching, Packaging and SMT Process
A pulse oximeter measures a ratio between two wavelengths, so the emitter and receiver are...
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2026-09-18 11:40:00
Photodiode Receiver Specifications Explained: Responsivity, Dark Current, Spectral Range and Response Time
A photodiode specification is not a single sensitivity number. Spectral range decides whether it sees...
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2026-09-18 11:40:00
Infrared Emitter Specifications Explained: Wavelength, Radiant Intensity, Viewing Angle and Forward Current
Two suppliers can both quote "940nm infrared LED" and deliver emitters that behave completely differently...
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