A LabVIEW based virtual instrument system for mid infrared laser spectroscopy measurements

被引：1
|
作者：
Villanueva-Lopez, V. [1 ,2 ]
Pacheco-Londono, L. C. [2 ,3 ]
Haibach, F. G. [4 ]
Hernandez-Rivera, S. P. [1 ,2 ]
机构：
[1] Univ Puerto Rico, Dept Chem, Mayaguez, PR 00681 USA
[2] ALERT DHS Ctr Excellence Explosives Res, Mayaguez, PR 00681 USA
[3] Univ Simon Bolivar, Sch Basic & Biomed Sci, Barranquilla 080002, Colombia
[4] Confluent Sci Consulting, 255 Burleigh Rd, Wilbraham, MA 01095 USA
来源：
JOURNAL OF INSTRUMENTATION | 2021年 / 16卷 / 05期
关键词：
Data acquisition concepts; Detection of explosives; Detector control systems (detector and experiment monitoring and slow-control systems; architecture; hardware; algorithms; databases); Photon detectors for UV; visible and IR photons (solid-state) (PIN diodes; APDs; Si-PMTs; G-APDs; CCDs; EBCCDs; EMCCDs; CMOS imagers; etc); DATA-ACQUISITION; MIDINFRARED SPECTROSCOPY; CASCADE; SOFTWARE;
D O I：
10.1088/1748-0221/16/05/T05005
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The development of a virtual instrument (VI) interface to acquire spectroscopic measurements using a quantum cascade laser-based on LabVIEW (TM) is presented. The interface can enable mid-infrared laser spectroscopic data acquisition using a fast response mercury-cadmium-telluride (MCT) detector. The MCT is connected to an analog/digital converter card, and the data is displayed in a virtual high-speed oscilloscope. The VI processes the acquired data, displays the information, and saves it to a file through several operations using a "state machine" architecture. Transmission measurements of a polystyrene film were used to calibrate the system. They were compared to the National Institute of Standards and Technology-based FT-IR reference spectrum, showing excellent agreement. The system was tested with four different optical setups for IR Transmission, Diffuse Reflectance Infrared Spectroscopy, Reflection Absorption Infrared Spectroscopy, and Attenuated Total Reflection. The VI can be easily customized, allowing users to adapt it according to their specific laboratory needs.
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收藏
页数：19
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