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Related Experiment Video

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Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

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Published on: January 28, 2019

Digital phantoms generated by spectral and spatial light modulators.

Bonghwan Chon¹, Fuyuki Tokumasu², Ji Youn Lee¹

¹National Institute of Standards and Technology, Quantum Electronics and Photonics Division, 325 Broadway Street, Boulder, Colorado 80305, United States.

Journal of Biomedical Optics

|October 27, 2015

Summary

This summary is machine-generated.

A novel hyperspectral image projector (HIP) creates digital phantoms for calibrating imaging sensors. These advanced data cubes validate algorithms in quantitative biomedical imaging.

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Area of Science:

Biomedical Imaging
Optical Engineering
Spectroscopy

Background:

Quantitative biomedical imaging requires reliable calibration standards.
Existing methods for generating spectral data cubes are limited.
Accurate measurement of intracellular molecules like oxyhemoglobin is crucial.

Purpose of the Study:

To introduce and demonstrate a hyperspectral image projector (HIP).
To generate digital phantoms for calibrating image sensors and validating algorithms.
To enable robust quantitative biomedical imaging applications.

Main Methods:

Utilizing liquid crystal on silicon spatial light modulators to construct a HIP.
Generating three-dimensional data cubes representing spectrally resolved oxyhemoglobin distribution in erythrocytes.
Creating digital phantoms indistinguishable from real spectral and spatial data.

Main Results:

Successful demonstration of the hyperspectral image projector.
Generation of high-fidelity data cubes serving as digital phantoms.
Data cubes accurately represent spectrally resolved oxyhemoglobin abundances in erythrocytes.

Conclusions:

The HIP provides a novel method for generating digital phantoms.
These phantoms are valuable for calibrating sensors and validating algorithms.
The technology supports improved measurement quality and interlaboratory comparisons in biomedical imaging.