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Pulsed terahertz frequency domain spectrometer with single mode-locked laser and dispersive phase modulator

机译：单锁模激光和色散相位调制器的脉冲太赫兹频域光谱仪

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摘要

An apparatus for analyzing, identifying or imaging an target including a source of pulsed signals in the range of frequencies from 100 GHz to over 2 THz focused on or transmitted through the target; and a detector for acquiring spectral information from signals reflected from the target and using a multi-spectral heterodyning process to generate an electrical signal representative of some characteristics of the target. The source of pulse signals and the detector are photoconductive switches activated by a pulsed laser beam from a single mode-locked laser.

机译：一种用于分析，识别或成像目标的设备，该设备包括聚焦在目标上或通过目标传输的，频率范围从 100 GHz到超过 2 THz的脉冲信号源;一种检测器，用于从目标反射的信号中获取光谱信息，并使用多光谱外差法生成代表目标某些特征的电信号。脉冲信号源和检测器是由来自单个锁模激光器的脉冲激光束激活的光电导开关。 展开▼

著录项

公开/公告号US2008179528A1

专利类型

公开/公告日2008-07-31

原文格式PDF

申请/专利权人 JOSEPH R. DEMERS;
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申请/专利号US20070796069

发明设计人 JOSEPH R. DEMERS;
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申请日2007-04-26

分类号G01J5/02;G01J5/00;

国家 US

入库时间 2022-08-21 20:14:20

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