Podcasts · The Hardware Podcast with Fexingo: Chips, Devices, and Electronics Engineering Conversations
How Chips Are Using On-Chip Spectrometers for Material Sensing
· 11 min · S2 E85
Episode How Chips Are Using On-Chip Spectrometers for Material Sensing
Episode 85 of The Hardware Podcast explores how semiconductor engineers are integrating miniature spectrometers directly onto chips, enabling real-time material identification from chemical analysis to food quality monitoring. Lucas and Luna examine the breakthrough at imec that shrinks a benchtop spectrometer to a few square millimeters, how on-chip spectral sensing could transform smartphone cameras into material scanners, and why this approach sidesteps the cost and bulk of traditional sensors. They discuss the key engineering challenge: tuning micro-ring resonators across a wide wavelength range while maintaining manufacturing yields. The episode also touches on applications from counterfeit drug detection to precision agriculture, and what it means for the future of edge computing.
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Transcript
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