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太赫兹

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发表于 2008-12-23 15:08:10 | 显示全部楼层 |阅读模式
美国 Microtech Instruments 公司
1.太赫兹光谱系统
2.太赫兹产生器/成像系统/探测器
3.太赫兹元器件
TScan-1500C-EX is designed for spectroscopic measurements in 0.1-1.5 THz frequency   
range. It consists of QS2-1500-EX quasi-optical THz source and improved model of   
Golay Cell detector. High output power of QS2-1050-EX and excellent sensitivity of   
Golay Cells enable high resolution (1-10 MHz) and wide dynamic range (up to 100,000)   
spectroscopic measurements. The basic system is configured for transmission   
measurements, but it can be extended to for in reflection, Mach-Zhender or THz imaging   
configurations.   
Figure 1: QS2-1000 THz source, VR-3M power supply and DAU-1 unit   
QS2-1500-EX THz source, shown in Figure 1, is powered by VR-3M high voltage   
power supply and computer controlled via DAU-1 data acquisition unit. This source is   
based on millimeter wave BWO combined with frequency multipliers. The BWO   
operates at frequency range 100-180 GHz. Combination of frequency multipliers extends   
the operating range to 1500 GHz.   
Low noise level of TScan-1500C-EX is enabled by optimized acousto-optical detectors,   
known as Golay Cells, which offer exceptionally high sensitivity. Digital signal   
processing enabled by DAU-1 unit further improves detection sensitivity. Figure 2   
shows typical power spectra of QS2-1500-EX and noise level of Golay Cell based   
detection system.   
太 赫 兹 光 谱 系 统
ModelSpectral Range
TScan-180C100 - 180 GHz
TScan-350C100 - 350 GHz
TScan-500C100 - 500 GHz
TScan-1000C100 - 1000 GHz
TScan-1500C100 - 1500 GHz
整体式太赫兹光谱仪
整体式太赫兹光谱仪布置图
太赫兹光谱仪(透射布置)太赫兹光谱仪
(马赫-曾德尔型布置)
太赫兹光谱仪(反射型布置)
发表于 2008-12-23 19:57:28 | 显示全部楼层
学习了,^_^哈哈哈哈
发表于 2008-12-23 20:50:16 | 显示全部楼层
嗯,大巴兄是学thz的?。。。。
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