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Actively controlled enhancement cavity for terahertz generation

 
: Theuer, M.; Molter, D.; Torosyan, G.; Beigang, R.; Maki, K.; Kawase, K.

:

Institute of Electrical and Electronics Engineers -IEEE-:
Joint 31st International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics 2006. Proceedings. Vol.2 : Shanghai, China, 18 - 22 September 2006
Piscataway, NJ: IEEE, 2006
ISBN: 1-4244-0399-5
ISBN: 1-4244-0400-2
pp.387
International Conference on Infrared and Millimeter Waves (IRMMW) <31, 2006, Shanghai>
International Conference on Terahertz Electronics (THz) <14, 2006, Shanghai>
English
Conference Paper
Fraunhofer IPM ()

Abstract
We report on the efficient Cherenkov-type terahertz (THz) generation using lithium niobate crystals and a high repetition rate femtosecond laser. An actively length controlled synchronously pumped ring resonator acts as an enhancement cavity for the near infrared pump and therefore recycles the available pump power towards a higher terahertz output. A seven times higher THz field amplitude was measured with electro-optical sampling.

: http://publica.fraunhofer.de/documents/N-187846.html