کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1181420 | 962935 | 2010 | 7 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Spectral characterization and calibration of AOTF spectrometers and hyper-spectral imaging systems Spectral characterization and calibration of AOTF spectrometers and hyper-spectral imaging systems](/preview/png/1181420.png)
The goal of this article is to present a novel method for spectral characterization and calibration of spectrometers and hyper-spectral imaging systems based on non-collinear acousto-optical tunable filters. The method characterizes the spectral tuning curve (frequency–wavelength characteristic) of the AOTF (Acousto-Optic Tunable Filter) filter by matching the acquired and modeled spectra of the HgAr calibration lamp, which emits line spectrum that can be well modeled via AOTF transfer function. In this way, not only tuning curve characterization and corresponding spectral calibration but also spectral resolution assessment is performed simultaneously over the whole imaging plane. The obtained results indicated that the proposed method is efficient, accurate and feasible for routine calibration of AOTF spectrometers and hyper-spectral imaging systems and thereby a highly competitive alternative to the existing calibration methods.
Journal: Chemometrics and Intelligent Laboratory Systems - Volume 101, Issue 1, 15 March 2010, Pages 23–29