Direct Imaging with DLP® Photoheads is becoming an established technology in productivity systems for PCB Lithography and similar applications. Scrolling technology is used to expose large areas and is enabling highest levels of productivity and efficiency, while maintaining full flexibility of direct imaging concepts. Specific features such as SPX (subpixelation) and PPC (pixel power control) technologies have further enhanced resolution of printed structures, as well as precision and uniformity of the exposure across the entire field. 3D print systems with photosensitive resins can conceptually be seen as an extension of 2D Direct Imaging systems into the third dimension. The scrolling technique then allows to enlarge the build area by freely multiplying the photohead’s static build area with native pixel pitch in both, x and y dimensions. In addition, SPX technology in 3D print systems would enable 2 different advanced options. Either it offers improved (reduced) edge roughness of structures, by fine pitching the native pixel pitch. Or a larger native pixel pitch can be chosen, still providing the same fine pitched edge roughness and surface finish as a native system with proportionally smaller build area.
KEYWORDS: Digital micromirror devices, Spectrographs, Space telescopes, Mirrors, Telescopes, Astronomical imaging, James Webb Space Telescope, Micromirrors, Spectroscopy, Microelectromechanical systems
A long-standing problem of astrophysical research is how to simultaneously obtain spectra of thousands of sources
randomly positioned in the field of view of a telescope. Digital Micromirror Devices, used as optical switches, provide a
most powerful solution allowing to design a new generation of instruments with unprecedented capabilities. We
illustrate the key factors (opto-mechanical, cryo-thermal, cosmic radiation environment,...) that constrain the design of
DMD-based multi-object spectrographs, with particular emphasis on the IR spectroscopic channel onboard the EUCLID
mission, currently considered by the European Space Agency for a 2017 launch date.
Conference Committee Involvement (14)
Emerging Digital Micromirror Device Based Systems and Applications XVIII
17 January 2026 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications XVII
28 January 2025 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications XVI
30 January 2024 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications XV
30 January 2023 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications XIV
25 January 2022 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications XIII
6 March 2021 | Online Only, California, United States
Emerging Digital Micromirror Device Based Systems and Applications XII
4 February 2020 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications XI
5 February 2019 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications X
30 January 2018 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications IX
31 January 2017 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications VIII
15 February 2016 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications VII
10 February 2015 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications VI
4 February 2014 | San Francisco, California, United States
Emerging Digital Micromirror Device Based Systems and Applications IV
23 January 2012 | San Francisco, California, United States
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