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... > Instruments > Earth Remote Sensing Instruments > Passive Remote Sensing > Spectrometers/Radiometers > Imaging Spectrometers/Radiometers > LAC

Preferred term

LAC  

Definition

  • [LAC data is not available and is no longer collected as part of the EO-1 Extended Mission.] The Linear Etalon Imaging Spectral Array/Atmospheric Corrector (LEISA/AC) is an infrared camera. Images from the AC can be used to remove the effects of the atmosphere from surface pictures obtained by instruments such as the Advanced Land Imager (ALI) on EO-1 and Landsat. Observing the surface through the atmosphere is conceptually the same as viewing the bottom of a lake through cloudy water. The AC provides data on the amount of atmospheric water vapor. These data can be used to clear the view. The AC on EO-1 will be the first use of a dedicated instrument to per- form this function on a real-time basis. This instrument will provide scientific return both in terms of improved imagery and hyperspectral sensing capabilities. It will also test a number of new technologies. Because the AC is small and adaptable to different spacecraft configurations, it is a bolt-on instrument, which can be attached to any future Earth imaging spacecraft. The LEISA AC instrument was developed by Goddard's Applied Engineering and Technology Directorate (AETD). AETD will provide open access to U.S. industry regarding the design and performance of the LEISA AC instrument with the explicit purpose of expediting technology transfer to the commercial sector. [Summary provided by NASA.] Group: Instrument_Details Entry_ID: LAC Group: Instrument_Identification Instrument_Category: Earth Remote Sensing Instruments Instrument_Class: Passive Remote Sensing Instrument_Type: Spectrometers/Radiometers Instrument_Subtype: Imaging Spectrometers/Radiometers Short_Name: LAC Long_Name: LAC (Linear Etalon Imaging Spectrometer Array (LEISA) Atmospheric Corrector End_Group Group: Instrument_Associated_Sensors Short_Name: CAMERAS End_Group Group: Associated_Platforms Short_Name: EO-1 End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: Infrared Spectral_Frequency_Coverage_Range: .85-1.5 micrometers End_Group Online_Resource: https://eo1.gsfc.nasa.gov/new/Technology/Documents/InstrumentOverview.html Creation_Date: 2007-02-06 Group: Instrument_Logistics Instrument_Owner: NASA End_Group End_Group (en)

Broader concept

Change note

  • 2020-03-16 18:55:48.0 [sritz] update Definition ([LAC data is not available and is no longer collected as part of the EO-1 Extended Mission.] The Linear Etalon Imaging Spectral Array/Atmospheric Corrector (LEISA/AC) is an infrared camera. Images from the AC can be used to remove the effects of the atmosphere from surface pictures obtained by instruments such as the Advanced Land Imager (ALI) on EO-1 and Landsat. Observing the surface through the atmosphere is conceptually the same as viewing the bottom of a lake through cloudy water. The AC provides data on the amount of atmospheric water vapor. These data can be used to clear the view. The AC on EO-1 will be the first use of a dedicated instrument to per- form this function on a real-time basis. This instrument will provide scientific return both in terms of improved imagery and hyperspectral sensing capabilities. It will also test a number of new technologies. Because the AC is small and adaptable to different spacecraft configurations, it is a bolt-on instrument, which can be attached to any future Earth imaging spacecraft. The LEISA AC instrument was developed by Goddard's Applied Engineering and Technology Directorate (AETD). AETD will provide open access to U.S. industry regarding the design and performance of the LEISA AC instrument with the explicit purpose of expediting technology transfer to the commercial sector. [Summary provided by NASA.] Group: Instrument_Details Entry_ID: LAC Group: Instrument_Identification Instrument_Category: Earth Remote Sensing Instruments Instrument_Class: Passive Remote Sensing Instrument_Type: Spectrometers/Radiometers Instrument_Subtype: Imaging Spectrometers/Radiometers Short_Name: LAC Long_Name: LAC (Linear Etalon Imaging Spectrometer Array (LEISA) Atmospheric Corrector End_Group Group: Instrument_Associated_Sensors Short_Name: CAMERAS End_Group Group: Associated_Platforms Short_Name: EO-1 End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: Infrared Spectral_Frequency_Coverage_Range: .85-1.5 micrometers End_Group Online_Resource: https://eo1.gsfc.nasa.gov/new/Technology/Documents/InstrumentOverview.html Creation_Date: 2007-02-06 Group: Instrument_Logistics Instrument_Owner: NASA End_Group End_Group);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/3e488a04-58da-4ef3-b30c-a8bb21a79630

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