Modeling and characterization of OASIS inflatable primary antenna by dual modality metrology

Siddhartha Sirsi; Henry Quach; Hyukmo Kang; Pete Morken; Arthur Palisoc; Yuzuru Takashima; Christian D’Aubigny; Aman Chandra; Marcos Esparza; Karlene Karrfalt; Kevin Z. Derby; Heejoo Choi; Daewook Kim; Christopher Walker

doi:10.1364/OE.464429

Modeling and characterization of OASIS inflatable primary antenna by dual modality metrology

Siddhartha Sirsi, Henry Quach, Hyukmo Kang, Pete Morken, Arthur Palisoc, Yuzuru Takashima, Christian D’Aubigny, Aman Chandra, Marcos Esparza, Karlene Karrfalt, Kevin Z. Derby, Heejoo Choi, Daewook Kim, Christopher Walker

Research output: Contribution to journal › Article › peer-review

Abstract

OASIS (Orbiting Astronomical Satellite for Investigating Stellar Systems) is a space-based observatory with a 14 m diameter inflatable primary antenna that will perform high spectral resolution observations at terahertz frequencies. The large inflatable aperture, non-traditional surface configuration, and the double layered membrane structure afford unique challenges to the modeling and testing of the primary antenna. A 1-meter prototype of the primary antenna (A1) was built to validate our technical approach. A laser radar coordinate measuring system was adopted to measure the shape of A1. In addition, deflectometry was performed to monitor the stability of A1 during the radar measurement. Test cases pertaining to specific operational conditions expected for the 14 m OASIS primary were explored. The measured data were then compared to the Fichter model and Finite-element Analyzer for Inflatable Membranes (FAIM).

Original language	English (US)
Pages (from-to)	33479-33489
Number of pages	11
Journal	Optics Express
Volume	30
Issue number	19
DOIs	https://doi.org/10.1364/OE.464429
State	Published - Sep 12 2022

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Modeling and characterization of OASIS inflatable primary antenna by dual modality metrology",

abstract = "OASIS (Orbiting Astronomical Satellite for Investigating Stellar Systems) is a space-based observatory with a 14 m diameter inflatable primary antenna that will perform high spectral resolution observations at terahertz frequencies. The large inflatable aperture, non-traditional surface configuration, and the double layered membrane structure afford unique challenges to the modeling and testing of the primary antenna. A 1-meter prototype of the primary antenna (A1) was built to validate our technical approach. A laser radar coordinate measuring system was adopted to measure the shape of A1. In addition, deflectometry was performed to monitor the stability of A1 during the radar measurement. Test cases pertaining to specific operational conditions expected for the 14 m OASIS primary were explored. The measured data were then compared to the Fichter model and Finite-element Analyzer for Inflatable Membranes (FAIM).",

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doi = "10.1364/OE.464429",

language = "English (US)",

volume = "30",

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AU - Sirsi, Siddhartha

AU - Quach, Henry

AU - Kang, Hyukmo

AU - Morken, Pete

AU - Palisoc, Arthur

AU - Takashima, Yuzuru

AU - D’Aubigny, Christian

AU - Chandra, Aman

AU - Esparza, Marcos

AU - Karrfalt, Karlene

AU - Derby, Kevin Z.

AU - Choi, Heejoo

AU - Kim, Daewook

AU - Walker, Christopher

PY - 2022/9/12

Y1 - 2022/9/12

N2 - OASIS (Orbiting Astronomical Satellite for Investigating Stellar Systems) is a space-based observatory with a 14 m diameter inflatable primary antenna that will perform high spectral resolution observations at terahertz frequencies. The large inflatable aperture, non-traditional surface configuration, and the double layered membrane structure afford unique challenges to the modeling and testing of the primary antenna. A 1-meter prototype of the primary antenna (A1) was built to validate our technical approach. A laser radar coordinate measuring system was adopted to measure the shape of A1. In addition, deflectometry was performed to monitor the stability of A1 during the radar measurement. Test cases pertaining to specific operational conditions expected for the 14 m OASIS primary were explored. The measured data were then compared to the Fichter model and Finite-element Analyzer for Inflatable Membranes (FAIM).

AB - OASIS (Orbiting Astronomical Satellite for Investigating Stellar Systems) is a space-based observatory with a 14 m diameter inflatable primary antenna that will perform high spectral resolution observations at terahertz frequencies. The large inflatable aperture, non-traditional surface configuration, and the double layered membrane structure afford unique challenges to the modeling and testing of the primary antenna. A 1-meter prototype of the primary antenna (A1) was built to validate our technical approach. A laser radar coordinate measuring system was adopted to measure the shape of A1. In addition, deflectometry was performed to monitor the stability of A1 during the radar measurement. Test cases pertaining to specific operational conditions expected for the 14 m OASIS primary were explored. The measured data were then compared to the Fichter model and Finite-element Analyzer for Inflatable Membranes (FAIM).

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Modeling and characterization of OASIS inflatable primary antenna by dual modality metrology

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