Resampling algorithm for the Spatial Infrared Imaging Telescope (SPIRIT III) Fourier transform spectrometer

1998 ◽  
Author(s):  
Steven D. Sargent ◽  
Mark E. Greenman ◽  
Scott M. Hansen
Keyword(s):  
Fourier Transform ◽  
Infrared Imaging ◽  
Fourier Transform Spectrometer ◽  
Imaging Telescope

Design of spatio-temporally modulated static infrared imaging Fourier transform spectrometer

2014 ◽  
Vol 39 (16) ◽  
pp. 4911 ◽  
Author(s):  
WenCong Wang ◽  
JingQiu Liang ◽  
ZhongZhu Liang ◽  
JinGuang Lü ◽  
YuXin Qin ◽  
...  
Keyword(s):  
Fourier Transform ◽  
Infrared Imaging ◽  
Fourier Transform Spectrometer

Infrared Imaging Fourier Transform Spectrometer as the Stand-Off Gas Detection System

2011 ◽  
Vol 18 (4) ◽  
pp. 607-620 ◽  
Author(s):  
Mariusz Kastek ◽  
Tadeusz Piątkowski ◽  
Piotr Trzaskawka
Keyword(s):  
Fourier Transform ◽  
Infrared Imaging ◽  
Detection System ◽  
Reference Signal ◽  
Field Of View ◽  
Gas Detection ◽  
Fourier Transform Spectrometer ◽  
Theoretical Evaluation ◽  
Long Wave ◽  
Long Wave Infrared

Infrared Imaging Fourier Transform Spectrometer as the Stand-Off Gas Detection SystemThe article presents the detection of gases using an infrared imaging Fourier-transform spectrometer (IFTS). The Telops company has developed the IFTS instrumentHyperCam, which is offered as a short- or long-wave infrared device. The principle ofHyperCamoperation and methodology of gas detection has been shown in the paper, as well as theoretical evaluation of gas detection possibility. Calculations of the optical path between the IFTS device, cloud of gases and background have been also discussed. The variation of a signal reaching the IFTS caused by the presence of a gas has been calculated and compared with the reference signal obtained without the presence of a gas in IFTS's field of view. Verification of the theoretical result has been made by laboratory measurements. Some results of the detection of various types of gases has been also included in the paper.

scholarly journals Calibration of the AKARI Far-Infrared Imaging Fourier-Transform Spectrometer

2010 ◽  
Vol 62 (5) ◽  
pp. 1155-1166 ◽  
Author(s):  
Noriko Murakami ◽  
Mitsunobu Kawada ◽  
Hidenori Takahashi ◽  
Yoko Okada ◽  
Akiko Yasuda ◽  
...  
Keyword(s):  
Fourier Transform ◽  
Infrared Imaging ◽  
Far Infrared ◽  
Fourier Transform Spectrometer
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