Revolutionary Microscale Optical Device Combines Imaging and Spectroscopy

A new microscale optical device integrates imaging and spectroscopy into a single chip, according to reporting from The Engineer on June 16, 2026. This technology allows for the simultaneous capture of visual structure and chemical composition, eliminating the need for separate, bulky laboratory instruments during sample analysis.

Traditional optical analysis requires two distinct processes. Imaging provides spatial data to show where a feature is located, while spectroscopy analyzes light wavelengths to determine what a substance is. Researchers have now combined these functions on a micro-scale platform, according to The Engineer.

How does the combined optical device work?

The device utilizes a miniaturized optical architecture that captures both spatial and spectral information from a single light source. In standard setups, spectroscopy requires a prism or a diffraction grating to split light into its component colors, a process that usually requires a significant physical footprint. This micro-device replaces those large components with an integrated system that can resolve spectral signatures without losing the image’s spatial resolution.

By merging these two capabilities, the device produces what is known as hyperspectral data. This data creates a three-dimensional map where every pixel in a two-dimensional image contains a full spectrum of light, according to the technical specifications cited by The Engineer.

This integration reduces the time required to analyze a sample. Users no longer need to move a specimen between an imaging microscope and a spectrometer, which reduces the risk of sample contamination and alignment errors.

What industries will use microscale spectroscopy?

Medical diagnostics represent a primary application for this technology. Physicians can use the device for real-time “optical biopsies,” where the chemical signature of a cell is analyzed while it remains in the body, according to The Engineer. This prevents the need for invasive tissue removal in some diagnostic stages.

Environmental monitoring agencies can deploy these chips for on-site pollutant detection. The device’s size allows it to be integrated into portable sensors that identify specific chemical contaminants in water or air samples instantly, rather than transporting samples to a centralized lab.

The semiconductor industry can apply the device to quality control. Engineers can use the micro-optical chip to scan for microscopic impurities on a wafer and simultaneously identify the chemical nature of the contaminant to find the source of the leak in the fabrication process.

How does this differ from traditional lab equipment?

The primary difference is the footprint and the data acquisition speed. A standard laboratory spectrometer often occupies a large tabletop and requires a stabilized environment to prevent vibration from ruining the spectral reading. The microscale device is resistant to these environmental factors due to its small mass and integrated design.

Compared to standard digital cameras, which only capture red, green, and blue (RGB) channels, this device captures hundreds of narrow spectral bands. This allows it to distinguish between two materials that look identical to the human eye but have different chemical compositions.

This development follows the trajectory of “Lab-on-a-Chip” (LOC) technology, which seeks to shrink entire laboratory workflows onto a single substrate. While previous LOC devices focused on fluidics, this device focuses on the optical analysis layer, providing a critical missing link for autonomous chemical sensing.

What are the next steps for development?

Researchers are now focusing on integrating these optical chips with CMOS (complementary metal-oxide-semiconductor) sensors. This would allow the device to plug directly into standard electronic interfaces, enabling the creation of handheld scanners for industrial use, according to The Engineer.

Future iterations aim to increase the spectral resolution, allowing the device to detect trace amounts of chemicals at lower concentrations. Current efforts involve refining the materials used in the chip’s waveguides to reduce light loss, which would improve the signal-to-noise ratio during analysis.