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Development of a 3D HUD using a tunable bandpass filter for wavelength multiplexing
Author(s) -
Coni Philippe,
Bardon JeanLuc,
Gueguen Aude,
Grossetête Matthieu
Publication year - 2017
Publication title -
journal of the society for information display
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 52
eISSN - 1938-3657
pISSN - 1071-0922
DOI - 10.1002/jsid.539
Subject(s) - band pass filter , bandwidth (computing) , holography , optical filter , computer science , wavelength , optics , filter (signal processing) , multiplexing , stereoscopy , materials science , optoelectronics , physics , computer vision , telecommunications
A 3D stereoscopic head‐up display using a tunable bandpass filter to perform left and right image spectral separation is presented. Using a single filter reduces the size and the cost of the head‐up display optical engine and enables each spectral band to be accurately tuned. Experiments performed on the first prototype demonstrate the ability to continuously tune the bandpass frequency on 30‐nm range while keeping a 20‐nm bandwidth. Such a system avoids the use of a bulky and costly rotating wheel and enables the use of holographic optical elements known to be wavelength selective.