Dynamic MEMS based photonic bandgap filter
Presents the development of an integrated fast filtering system using a photonic band gap (PBG) filter and a MEMS actuator. The actuator varies the air gap thickness between two PBG stacks to vary the optical transmission of the stack. The switch is a fast, reliable, electrically driven filter that...
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Format: | Tagungsbericht |
Sprache: | eng |
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Zusammenfassung: | Presents the development of an integrated fast filtering system using a photonic band gap (PBG) filter and a MEMS actuator. The actuator varies the air gap thickness between two PBG stacks to vary the optical transmission of the stack. The switch is a fast, reliable, electrically driven filter that can be fully integrated with current focal plane array technologies. The filter has been developed to have "on" and "off" states in the 3-5 micron wavelength range. The device can be easily tailored for use in other wavebands. This MEMS/PBG filter can be hybridized into existing optical system designs but can also be integrated into new optical system designs. |
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DOI: | 10.1109/ICSENS.2002.1036985 |