Characterization of a digital micromirror device for use as an optical mask in imaging and spectroscopy

Kevin J. Kearney; Zoran Ninkov

doi:10.1117/12.305493

20 April 1998 Characterization of a digital micromirror device for use as an optical mask in imaging and spectroscopy

Kevin J. Kearney, Zoran Ninkov

Author Affiliations +

Proceedings Volume 3292, Spatial Light Modulators; (1998) https://doi.org/10.1117/12.305493
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

The digital micromirror device (DMD) is a micro-optical- electro-mechanical structure consisting of an array of 16 micrometers X 16 micrometers square mirrors positioned on a 17 micrometers pitch. Each individual mirror can be tilted +/- 10 degrees relative to the DMD substrate; the tilt is along the diagonal direction of the micromirror. The device was invented and manufactured by Texas Instruments (TI), Inc. TI packages the DMD as an OEM product for use in projection displays. We are investigating the use of the DMD as a spatial light modulator for precision imaging and spectroscopy applications. This includes optical characterization of the device, as well as systems engineering to operate the device. Some of the performance metrics to be considered are the diffraction efficiency, optical-switching contrast, background scattering properties, mirror crosstalk, and the modulation transfer function.

Citation Download Citation

Kevin J. Kearney and Zoran Ninkov "Characterization of a digital micromirror device for use as an optical mask in imaging and spectroscopy", Proc. SPIE 3292, Spatial Light Modulators, (20 April 1998); https://doi.org/10.1117/12.305493

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