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cm0002 ( cm0002@lemy.lol )  to Science@mander.xyz · 5 months ago

Why this $10 spectrometer chip could bring real-time chemical sensing to wearables

phys.org

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Why this $10 spectrometer chip could bring real-time chemical sensing to wearables

phys.org

cm0002 ( cm0002@lemy.lol )  to Science@mander.xyz · 5 months ago
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  • photonics@mander.xyz
Researchers from the University of Cambridge and GlitterinTech, a startup founded by the same research group, have unveiled a fundamentally new type of optical spectrometer that delivers laboratory-grade precision in a device small enough to be embedded in portable and wearable technologies. By rethinking how spectra are measured and processed, the team has demonstrated a spectrometer costing only around $10, operating at a centimeter scale, and capable of applications ranging from industrial quality control to real-time health care monitoring.
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  • Salamander ( Sal@mander.xyz ) 
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    5 months ago

    Very cool!

    I also like that they included a device cost analysis. I think they used some aggressively optimistic assumptions (100% yield from the wafer) and large-volume procurement prices that I am skeptical of, but if true it is valuable info.

    • RobotToaster ( RobotToaster@mander.xyz ) 
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      5 months ago

      Even at $50 a chip I could see applications for this.

      • Salamander ( Sal@mander.xyz ) 
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        5 months ago

        Yes, there is a lot of potential. There are micro-spectrometers available covering this range, like the MEMS-FPI type spectrometer or the multi-pixel arrays with filters (example: https://www.mantispectra.com/products). But this new kind of detector seems to come with higher resolution, faster readout than the MEMS-FPI, and more sensitivity. It is quite exciting, I’m curious to see if they commercialize it soon.

  • SaveTheTuaHawk ( SaveTheTuaHawk@lemmy.ca ) 
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    5 months ago

    Wearable continuous glucose monitoring. Not just for type 2 diabetics, but people on the road to becoming diabetic if the don’t put down the Mountain Dew.

  • csolisr ( csolisr@hub.azkware.net ) 
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    5 months ago

    What kind of tricorder shenanigans are these… and how fast does technology progress

  • acockworkorange ( acockworkorange@mander.xyz ) 
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    4 months ago

    To answer the why: because it’s a spectrometer and that’s the primary use for it. I hope this helps the journalist writing the headline.

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