Mathematical simulation for integrated linear Fresnel spectrometer chip

Yeonjoon Park; Hargsoon Yoon; Uhn Lee; Glen C. King; Sang Choi

doi:10.1117/12.917505

30 March 2012 Mathematical simulation for integrated linear Fresnel spectrometer chip

Yeonjoon Park, Hargsoon Yoon, Uhn Lee, Glen C. King, Sang Choi

Proceedings Volume 8344, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2012; 83440D (2012) https://doi.org/10.1117/12.917505
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

Abstract

A miniaturized solid-state optical spectrometer chip was designed with a linear gradient-gap Fresnel grating which was mounted perpendicularly to a sensor array surface and simulated for its performance and functionality. Unlike common spectrometers which are based on Fraunhoffer diffraction with a regular periodic line grating, the new linear gradient grating Fresnel spectrometer chip can be miniaturized to a much smaller form-factor into the Fresnel regime exceeding the limit of conventional spectrometers. This mathematical calculation shows that building a tiny motionless multi-pixel microspectrometer chip which is smaller than 1mm³ of optical path volume is possible. The new Fresnel spectrometer chip is proportional to the energy scale (hc/λ), while the conventional spectrometers are proportional to the wavelength scale (λ). We report the theoretical optical working principle and new data collection algorithm of the new Fresnel spectrometer to build a compact integrated optical chip.

Citation Download Citation

Yeonjoon Park, Hargsoon Yoon, Uhn Lee, Glen C. King, and Sang Choi "Mathematical simulation for integrated linear Fresnel spectrometer chip", Proc. SPIE 8344, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2012, 83440D (30 March 2012); https://doi.org/10.1117/12.917505

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