Operation of THz p-Ge laser in a closed-cycle refrigerator

Details Operation of THz p-Ge laser in a closed-cycle refrigerator Operation of THz p-Ge laser in a closed-cycle refrigerator

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004spie.5411..158f&link_type=abstract

Terahertz for Military and Security Applications II. Edited by Hwu, R. Jennifer; Woolard, Dwight L. Proceedings of the SPIE, Vol

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We report on development of a turn-key, cryogen-free bulk p-Ge laser which is broadly tunable over the range 1.5 to 4.2 THz. A 4 K closed cycle refrigerator was used to eliminate the need for liquid cryogen. A SmCo permanent magnet assembly provides the necessary magnetic field for the laser. A customized high voltage (HV) power supply and thyratron pulser were developed to replace the stack of general electronics previously used to operate the laser.

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