TeraFlash pro

多功能时域太赫兹平台

快速振动器—60 traces /s @ 50ps 新
6 THz 带宽 <20 s
95dB峰值动态范围< 20 s
可变太赫兹路径长度在15厘米到110厘米之间

TeraFlash pro是一款桌面时域太赫兹平台，在动态范围、带宽和测量速度方面树立了新的标准。由于先进的激光设计和光电导天线的进步，该系统可在20 s测量时间内实现95 dB的峰值动态范围和6 THz的带宽。高精度的机械延迟阶段使60 traces/s @ 50 ps或 95 traces/s @ 20 ps采集成为可能。

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产品规格

Specifications	TeraFlash pro
Components	One femtosecond laser SM/PM fiber delivery 2 mechanical delay stages (stationary / moving) 2 InGaAs photoconductive switches Electronics for data acquisition
Laser wavelength	1560 nm
Laser pulse width	typ. 80 fs
Laser repetition rate	100 MHz

其余信息

Peak dynamic range versus the number of averaged time traces (lower abscissa) and total acquisition time (upper abscissa).

Terahertz spectrum of air with water vapor lines, measured with the TeraFlash pro. Within a measurement time of less than half a minute, the bandwidth reaches 6 THz and the peak dynamic range exceeds 95 dB – an industry record!

Schematic diagram of the TeraFlash pro. Blue lines depict electric signals, red lines the optical signals.
应用
下载
- 产品手册：太赫兹系统
参考文献
- 科研论文: F. Rettich et al., Field intensity detection of individual terahertz pulses at 80 MHz repetition rate; J Infrared Milli. Terahz. Waves (2015)
- 科研论文: Vieweg et al., Terahertz-time domain spectrometer with 90 dB peak dynamic range, J Infrared Milli Terahz Waves, 2014
- 会议摘要: Yahyapour et al., Non-Contact Thickness Measurements with Terahertz Pulses, WCNDT 2016
- 技术概述: Lang, M., et al., Laser-based terahertz generation & applications, Photonik International (2012)
相关产品
- 成像拓展
- TeraFlash smart
- TeraSpeed
- FemtoFErb 1560 FD6.5: 紧凑型超快光纤激光
- InGaAs 光电导开关
- 光机械元件
- 肖特基接收器

External fiber length	2.5 m
Terahertz emitter	#EK-000978: InGaAs/InP photoconductive switch with 100 µm strip-line antenna, 2.5 m fiber pigtail
Terahertz receiver	#EK-000980: InGaAs/InP photoconductive switch with 25 µm dipole antenna, 10 µm gap, 2.5 m fiber pigtail
Antenna package	Cylindrical, ∅ 25 mm, integrated Si lens and SM/PM fiber pigtail
Scan range	5 .. 200 ps
Scan speed	166 traces/s (5 ps) 95 traces/s (20 ps) 60 traces/s (50 ps) 6 traces/s (200 ps) Intermediate settings possible
Spectral range	0.1 – 6 THz, in < 20 s
Average terahertz power	typ. 30 µW
Time-domain dynamic range	typ. 70 dB in < 40 ms 100 dB in < 20 s
Spectral peak dynamic range	typ. 70 dB in < 40 ms 95 dB in < 20 s
Useable terahertz path length	15 – 110 cm, adjustable via software (stationary delay)
Frequency resolution @ max. scan range	< 5 GHz
Computer interface	Ethernet
Computer software	LabView-based GUI, included
Size (H x W x D)	180 x 450 x 560 mm³
System weight	20 kg
Operating voltage	110 / 220 V AC
Accessories	Transmission optomechanics, Reflection head, Imaging extension