Optically controlled terahertz filtering, beam steering, and imaging

• Published in: 2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves pp. 1 - 2
• Main Authors: Busch, S. F., Schumann, S., Scherger, B., Jansen, C., Scheller, M., Fischer, B., Koch, M.
• Format: Conference Proceeding
• Language: English
• Published: IEEE 01.09.2012
• Subjects: Frequency measurement; Gratings; Lighting; Optical fiber filters; Optical imaging; Silicon

Using structured illumination of a silicon waver we demonstrate THz imaging and beam steering of transmitted THz waves. If additional gratings are used to spatially disperse the different frequency components the technique can be modified to build tunable THz filters.