A multiwavelength daytime photometer - a new tool for the investigation of atmospheric processes

Technological innovations in optics in the form of a spiral mask system and in electronics in the form of on-line gate scanning of Fabry-Perot fringes and critical balancing of gate widths for complete background rejection have allowed unambiguous detection of faint dayglow emission features of mult...

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Bibliographic Details
Published in:Measurement science & technology 1998-04, Vol.9 (4), p.585-591
Main Authors: Sridharan, R, Modi, N K, Raju, D Pallam, Narayanan, R, Pant, Tarun K, Taori, Alok, Chakrabarty, D
Format: Article
Language:English
Subjects:
Exact sciences and technology
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Measurement and error theory
Metrology
Metrology, measurements and laboratory procedures
Optical instruments, equipment and techniques
Photometers, radiometers and colorimeters
Physics
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Summary:Technological innovations in optics in the form of a spiral mask system and in electronics in the form of on-line gate scanning of Fabry-Perot fringes and critical balancing of gate widths for complete background rejection have allowed unambiguous detection of faint dayglow emission features of multiple wavelengths buried in the bright daytime background continuum. The technical details of this unique multiwavelength daytime photometer (MWDPM) and its performance characteristics together with its potential application for the investigation of several geophysical phenomena are presented and discussed.
ISSN:0957-0233
1361-6501
DOI:10.1088/0957-0233/9/4/005