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Proceedings Article

ALP: universal DMD controller for metrology and testing

[+] Author Affiliations
Roland Hoefling, Enrico Ahl

ViALUX GmbH (Germany)

Proc. SPIE 5289, Liquid Crystal Materials, Devices, and Applications X and Projection Displays X, 322 (May 28, 2004); doi:10.1117/12.528336
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From Conference Volume 5289

  • Liquid Crystal Materials, Devices, and Applications X and Projection Displays X
  • Liang-Chy Chien; Ming H. Wu
  • San Jose, CA | January 18, 2004

abstract

The paper presents a current development in the field of high-speed spatial light modulators. The Digital Micromirror Device (DMD) developed and produced by Texas Instruments Inc. (TI) stimulated new approaches in photonics. Recently, TI introduced the Discovery general purpose chipset to support new business areas in addition to the mainstream application of DMD technology in digital projection. ViALUX developed the ALP parallel interface controller board as a Discovery 1100 accessory for high speed micromirror operation. ALP (Accessory Light Modulator Package) has been designed for use in optical metrology but is widely open for numerous applications. It allows for rapid launch into new DMD applications and can be integrated instantly into existing systems or may initiate new developments. The paper describes both, the general hardware architecture and the software concept of the new high-speed controller solution. Binary and gray-value patterns of variable bit-depth can be pre-loaded to on-board SDRAM via USB and transferred to DMD at high speed (up to 6900 XGA frames per second). Three examples are to illustrate how the approach enables advanced applications of DMD technology in metrology, testing and beyond.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Roland Hoefling and Enrico Ahl
"ALP: universal DMD controller for metrology and testing", Proc. SPIE 5289, Liquid Crystal Materials, Devices, and Applications X and Projection Displays X, 322 (May 28, 2004); doi:10.1117/12.528336; http://dx.doi.org/10.1117/12.528336


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