TECH OFFER

Miniaturized Digital Spectrometer for Non-invasive Health Monitoring Consumer Devices

KEY INFORMATION

TECHNOLOGY CATEGORY:
Electronics - Sensors & Instrumentation
Healthcare - Diagnostics
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TECHNOLOGY READINESS LEVEL (TRL):
LOCATION:
South Korea
ID NUMBER:
TO141201

TECHNOLOGY OVERVIEW

Non-invasive, continuous and accurate health monitoring is a must, to detect early symptoms and prevent possible disasters, and to personalize the healthcare while dramatically reducing ever growing healthcare cost. The optical spectrometer, widely used in various industries, can do such non-invasive and accurate measurement.  For example, blood glucose level, can be measured just by shining a light on skin, measuring the internally reflected light and analyzing the unique spectral fingerprint of glucose contents.  However, optical spectrometers tend to be far been too bulky, expensive and difficult to use in consumer devices.

A Korean startup has developed a spectrometer that is tiny, affordable and easy to use. This spectrometer-on-a-chip is 1% the size of conventional solutions and can be incorporated easily into consumer devices and smart appliances (mobile phone, wearable, etc) as part of the Internet of Things (IOT).

TECHNOLOGY FEATURES & SPECIFICATIONS

This spectrum sensor does not use an optical grating that is used in conventional spectrometers for spectral analysis. Instead, it has a bespoke filter array based on an innovative plasmonic filter. 

Developed using digital nano fusion technology, this miniaturised low cost spectrometer measures individual light wavelengths that selectively pass through nanostructures to determine its makeup. It is accurate to 1 nm with 10nm resolution.  

The spectrometer has a built-in advanced spectral signal processing and standard SPI or UART interface, and is individually calibrated nano-accurately and provides device-to-device repeatability. The spectral databases for applications are portable and reusable, as the data measured by this spectrometer is compatible with the spectrum data measured by conventional optical spectrum analysers.

POTENTIAL APPLICATIONS

This spectrometer technology is versatile and offers the potential to provide spectral measurement and analysis in the following target markets:

  • Health: Simultaneous measurement of heart rate, heart rate variability (HRV), oxygen saturation (SpO2), blood pressure and glucose (ready soon)
  • Plant and food: Plant and crop health, measure ripeness and suitability for harvest, food safety and quality
  • Environment: Water and air quality, solar energy, crop health
  • Personalised beauty: Skintone and skin spectra, to enable the purchase of the suitable skincare or accurate shade of colour for cosmetic products

Market Trends & Opportunities

The spectral sensor market is anticipated to be around $4~8 billion in 2026, as a key enabling sensing element of wearable health monitoring market($140B), Agri-Food quality and safety sensing market($16B), environment monitoring market($12B), and more.  

Benefits

This ultra-compact and low-cost spectrometer technology offers advantages over discrete optical sensing with its broadband snapshot with accurate, multi-function noise-robust information. In terms of measurement, it offers the following benefits:

  • Non-destructive
  • Non-invasive
  • Continuous
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