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    • 6. 发明申请
    • TERAHERTZ SIGNAL GENERATOR
    • TERAHERTZ信号发生器
    • WO2009127843A1
    • 2009-10-22
    • PCT/GB2009/001004
    • 2009-04-17
    • UNIVERSITY OF LEEDSPOLLARD, RogerMILES, RobertNAFTALY, Mira
    • POLLARD, RogerMILES, RobertNAFTALY, Mira
    • G01R23/163G01M11/00G01N21/35H04B10/155
    • G01R23/163G01M11/335G01N21/3581
    • A signal generator (1) including an optical radiation means for generating a first optical radiation (4) having a first frequency, a second optical radiation means (5) having a second frequency and a third optical radiation means (12) having a third frequency; a difference- frequency means (3) for generating from a said first optical radiation and a said second optical radiation an electromagnetic local oscillator signal having a frequency substantially equal in value to the difference between the respective values of the first frequency and the second frequency, and for generating from a said first optical radiation and a said third optical radiation an electromagnetic probe signal having a frequency substantially equal in value to the difference between the respective values of the first frequency and the third frequency; output means for concurrently outputting from the signal generator a said local oscillator signal (33) and a said probe signal (34) for use.
    • 1.一种信号发生器(1),包括用于产生具有第一频率的第一光辐射(4)的光辐射装置,具有第二频率的第二光辐射装置(5)和具有第三频率的第三光辐射装置 ; 用于从所述第一光辐射和所述第二光辐射产生具有与所述第一频率和所述第二频率的各个值之间的差值基本上相等的频率的电磁本地振荡器信号的差频装置(3) 并且用于从所述第一光辐射和所述第三光辐射产生具有与所述第一频率和所述第三频率的各个值之间的差值基本相等的频率的电磁探测信号; 输出装置,用于从信号发生器同时输出所述本地振荡器信号(33)和所述探针信号(34)供使用。