Title :
Real-time imaging using a 4.3-THz quantum cascade laser and a 240×320 element focal-plane array
Author :
Lee, Albert ; Kumar, Sushil ; Williams, Benjamin S. ; Hu, Qing ; Reno, John L.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Massachusetts Inst. of Technol., Cambridge, MA
Abstract :
A real-time reflection/transmission imaging system is demonstrated using a 50-mW, 4.3-THz quantum cascade laser source in a closed-cycle cryorefrigerator, with a 240times320 pixel microbolometer detector. A signal-to-noise ratio of 340 is achieved with a 20-frame/sec acquisition rate.
Keywords :
bolometers; cryogenics; focal planes; laser beam applications; quantum cascade lasers; acquisition rate; closed-cycle cryorefrigerator; frequency 4.3 THz; pixel microbolometer detector; power 50 mW; quantum cascade laser source; real-time reflection-transmission imaging system; signal-to-noise ratio; Cameras; Infrared imaging; Optical arrays; Optical imaging; Optical reflection; Quantum cascade lasers; Quantum computing; Real time systems; Sensor arrays; Silicon; (110.2970) Image detection systems; (110.3080) Infrared imaging; (140.3070) Infrared and far-infrared lasers;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627808
