TeraFlash smart 超快时域太赫兹平台 太赫兹光谱
产品描述
超快时域太赫兹平台。
产品整体参数
产品技术性说明：
TeraFlash smart系统包括两个同步飞秒激光，无需机械延迟。这使得超高速测量成为可能：TeraFlash smart系统每秒可识别1600个完整太赫兹波形，可以前所未有的高速度实现太赫兹厚度测量。因此，该系统可用于测量快速移动的样品，例如传送带，造纸机，或挤塑线等。
产品列表
|
Specifications |
TeraFlash smart |
|
Scan speed |
1600 traces/s (150 ps) 800 traces/s (300 ps) 200 traces/s (700 ps) |
|
Spectral range |
0.1-4.5 THz, in < 1 s |
|
Spectral peak dynamic range |
typ. 35 dB in < 1 ms > 60 dB in 1 sec |
|
Components |
• 2 synchronized femtosecond lasers • SM/PM fiber delivery • 2 InGaAs photoconductive switches • Electronics for data acquisition |
|
Laser wavelength |
1560 nm |
|
Laser pulse width |
typ. 80 fs |
|
Laser repetition rate |
80 MHz |
|
External fiber length |
10.8 m |
|
Terahertz emitter* |
PCA-TD-030-TX-1: InGaAs/InP photoconductive switch with strip-line antenna, 0.3 m fiber pigtail |
|
Terahertz receiver* |
PCA-TD-030-RX-1: InGaAs/InP photoconductive switch with dipole antenna, 0.3 m fiber pigtail, integrated preamplifier |
|
Antenna package |
Cylindrical, 25 mm, integrated Si lens and SM/PM fiber pigtail |
|
Scan range |
150 ps / 300 ps / 700 ps |
|
Average terahertz power |
Typ. 30 µW |
|
Time-domain dynamic range |
typ. > 50 dB in < 1 ms 80 dB in 1 s |
|
Useable terahertz path length |
10-180 cm, adjustable via software (electronic phase shift) |
|
Frequency resolution @ max. scan range |
< 1.5 GHz |
|
Computer interface |
Ethernet and USB, Data streaming via USB |
|
Computer software |
LabVIEW-based GUI, included |
|
Size (H x W x D) |
200 x 450 x 440 mm³ |
|
System weight |
20 kg |
|
Operating voltage |
24 V DC, power supply included |
|
Accessories |
Transmission opt mechanics, Reflection head |
* Operation with transceiver PCA-TD-030-TRX-1 also possible, see Photoconductive Switches
