Grazing incidence optics in extreme-ultraviolet astronomy

1995 ◽  
Author(s):  
C. Stuart Bowyer
Keyword(s):  
Extreme Ultraviolet ◽  
Grazing Incidence ◽  
Ultraviolet Astronomy ◽  
Grazing Incidence Optics

Electroforming In Space And Ground Telescopes

2020 ◽  
Author(s):  
Valsecchi Giuseppe
Keyword(s):  
Radio Telescope ◽  
Grazing Incidence ◽  
Space Telescopes ◽  
Telescope Array ◽  
X Ray ◽  
Electroforming Process ◽  
Space Agency ◽  
Thin Nickel ◽  
Grazing Incidence Optics ◽  
Italian Space Agency

In the last 25 years, electroforming process has been extensively optimized to produce grazing incidence optics for the X-ray space telescopes, enabling the renown observatories Beppo-SAX for the Italian Space Agency, SWIFT for NASA, XMM Newton for ESA, eROSITA for MPE. These optics are made of thin Nickel mirrors that are grown by electroforming process in an electrolytic bath on a Gold coated mandrel.Electroforming has also been adopted for production of large reflector panels for sub-millimeter radio telescope applications. Between 2006 and 2016, 3000 mirror panels for 25 antennas of the ALMA radio-telescope array of ESO and 1600 mirror panels for the 50-m diameter Large Millimeter Telescope (LMT) “Alfonso Serrano” of INAOE were designed, produced and tested.

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