AIV of FRIDA optics: from optical manufacturing to system cryogenic qualification
Por:
Cuevas, Salvador, Chapa, Oscar, Alvarez-Nunez, Luis C., Sanchez, Beatriz, Keiman, Carolina, Espejo, Carlos, Flores-Meza, Ruben A., Fuentes-Fernandez, Jorge, Fujarte, J. Refugio, Garces, Leonardo, LARA, GERARDO, Rodriguez, Berenice, Sanchez, J. Eleazar, Watson, Alan M.
Publicada:
1 ene 2022
Resumen:
FRIDA is an infrared (0.9-2.5 mu m) imager and integral-field
spectrograph that will work in concert with the Gran Telescopio Canarias
Adaptive Optics system (GTCAO). It is a diffraction-limited and
cryogenic instrument. The imag-equality requirements for the complete
system (SR>0.9 for K band) necessitate high precision manufacturing and
quality control for all the optical components, subsystems and the
complete system. Additionally, FRIDA will use coronagraphic masks for
high-contrast imaging. This also requires very low roughness of the
polished surfaces (< 2 nm RMS) and high quality AR coatings. To comply
with the stringent image-quality requirements, we manufactured and
tested the main optical and mechanical components in our workshops in
Mexico. Also we assembled and aligned each subsystem and performed
interferometric tests to validate them at room temperature. Furthermore,
the complete instrument was assembled, tested and validated at room
temperature and at 1.06 microns wavelength on a prototype of the cold
bench. In addition, each opto-mechanical subsystem has been validated at
cryogenic temperature in a special test cryostat. The 2.5mx1mx1m FRIDA
main cryostat is nearly completed. FRIDA is scheduled to complete system
testing at the laboratory by the end of 2023.
Filiaciones:
Cuevas, Salvador:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
Chapa, Oscar:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
Alvarez-Nunez, Luis C.:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
Sanchez, Beatriz:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
Keiman, Carolina:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
Espejo, Carlos:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
Flores-Meza, Ruben A.:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
Fuentes-Fernandez, Jorge:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
Fujarte, J. Refugio:
Ctr Ingn & Desarrollo Ind, Ave Playa Pie Cuesta 702, Santiago De Queretaro 76130, Queretaro, Mexico
Garces, Leonardo:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
LARA, GERARDO:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
Rodriguez, Berenice:
Ctr Ingn & Desarrollo Ind, Ave Playa Pie Cuesta 702, Santiago De Queretaro 76130, Queretaro, Mexico
Sanchez, J. Eleazar:
Ctr Ingn & Desarrollo Ind, Ave Playa Pie Cuesta 702, Santiago De Queretaro 76130, Queretaro, Mexico
Watson, Alan M.:
Univ Nacl Autonoma Mexico, Inst Astron, Apdo Postal 70-264, Mexico City 04510, Mexico
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