Infrared filters and coatings for the High Resolution Dynamics Limb Sounder (6-18µm)
Hawkins, G., Hunneman, R., Sherwood, R. and Barrett, B. (2000) Infrared filters and coatings for the High Resolution Dynamics Limb Sounder (6-18µm). Applied Optics, 39 (28). pp. 5221-5230. ISSN 0003-6935
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To link to this article DOI: 10.1364/AO.39.005221
This paper describes the spectral design and manufacture of the narrow bandpass filters and 6-18µm broadband antireflection coatings for the 21-channel NASA EOS-AURA High Resolution Dynamics Limb Sounder (HIRDLS). A method of combining the measured spectral characteristics of each filter and antireflection coating, together with the spectral response of the other optical elements in the instrument to obtain a predicted system throughput response is presented. The design methods used to define the filter and coating spectral requirements, choice of filter materials, multilayer designs and deposition techniques are discussed.