Holographically recorded gratings on microlenses for a miniaturized spectrometer array

Silke Traut; Hans Peter Herzig

doi:10.1117/1.602359

1 January 2000 Holographically recorded gratings on microlenses for a miniaturized spectrometer array

Silke Traut, Hans Peter Herzig

Optical Engineering, Vol. 39, Issue 1, (January 2000). https://doi.org/10.1117/1.602359

We report on the investigation of refractive microlens arrays with diffractive grating surfaces in the context of a microspectrometer array system. The elements fabricated combine the fairly large dimensions of the refractive microlens (990-µm diam, 60-µm height) with the submicron features of the diffraction grating (1-µm grating period) on one transmitting surface. The fabrication process of these elements was studied, as well as their performance with respect to resolution and stray-light suppression. The maximum resolution was 3 nm, and the stray-light suppression 25 dB. We present a concept for a system of miniaturized spectrometer arrays for chemical analysis.

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Silke Traut and Hans Peter Herzig "Holographically recorded gratings on microlenses for a miniaturized spectrometer array," Optical Engineering 39(1), (1 January 2000). https://doi.org/10.1117/1.602359

Published: 1 January 2000

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