The high-resolution lightweight telescope for the EUV (HiLiTE)

Martinez-Galarce, D.; Boerner, P.; Soufli, Régina; Pontieu, Bart De; Katz, N.; Title, A. M.; Gullikson, Eric M.; Robinson, Jeffrey A.; Baker, Sherry L.

doi:10.1117/12.788508

Cited by 6 publications

(3 citation statements)

References 15 publications

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“…It was determined in Ref. 11 that the regions with "cellular" appearance are Mg corrosion products, a mixture of Mg(OH) 2 , Mg(CO) 3 and MgO. Formation of these Mg corrosion products is accompanied by volume expansion and leads to the eruptive effects seen in Fig.…”

Section: Resultsmentioning

confidence: 99%

Corrosion-resistant high-reflectance Mg/SiC multilayer coatings for solar physics in the 25-80 nm wavelength region

et al. 2012

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The corrosion mechanisms in Mg/SiC multilayers have been elucidated and corrosion-resistant Mg/SiC multilayer coatings have been demonstrated using spontaneously intermixed Al-Mg corrosion barrier layers. The corrosion-resistant Mg/SiC multilayers can achieve high reflectance simultaneously in up to three narrow wavelength bands within the 25-80 nm wavelength region, making them attractive candidates for solar physics instrumentation and for other applications.

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Section: Resultsmentioning

confidence: 99%

Corrosion-resistant high-reflectance Mg/SiC multilayer coatings for solar physics in the 25-80 nm wavelength region

et al. 2012

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“…Above the 115 nm wavelength range, multilayer films with high reflectivity have been fabricated using MgF 2 and Al, or MgF 2 in combination with other fluorides (such as BaF 2 , LaF 3 , and LiF) [6][7][8]. Below the 50 nm range, high-reflectivity multilayer films such as Sc/Si [9][10][11] or Mg/SiC [12,13] have been developed. However, within the 54-90 nm range, due to strong absorption by materials, the fabrication of highly efficient mirrors is challenging.…”

Section: Introductionmentioning

confidence: 99%

Study of Optical Performance and Structure of Yb/Al (1.5 wt.% Si) and Yb/Al (Pure) Multilayers Designed for the 73.6 nm Range

Lai,

Qi,

Zhang

et al. 2024

Coatings

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Yb/Al multilayer films exhibit excellent theoretical reflectivity in the 54–90 nm wavelength range. This study attempted to incorporate 1.5% wt.% of Si impurities into Al to suppress the crystallization of Al, reduce interfacial roughness, and enhance the actual reflectivity of the prepared Yb/Al multilayer films. Internal microstructure changes in the film layers before and after Si impurity doping were investigated using GIXRR, AFM, and XRD techniques. The reflectivity of two types of multilayer films, Yb/Al (1.5 wt.% Si) and Yb/Al (pure), was tested to evaluate the effect of Si impurity on film performance. The reflectivity of Yb/Al (1.5 wt.% Si) multilayers compared to Yb/Al (pure) multilayers increased by approximately 4%.

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“…At wavelengths slightly longer than 115 nm, narrowband multilayers have been prepared based on MgF 2 with a second material that was selected among either Al or some fluorides [1][2][3]. Just below 50 nm, efficient multilayers based on Sc/Si [4][5][6], and Mg/SiC [7,8] have been developed; they provide useful bands centered in the ~30-50 nm range. However, the ~50-115-nm spectral range has been lacking such coatings because the overwhelming majority of materials is burdened with a strong absorption; this turns inefficient the accumulation of layers in a multilayer…”

Section: Introductionmentioning

confidence: 99%

Narrowband multilayer coatings for the extreme ultraviolet range of 50-92 nm

Vidal-Dasilva¹,

Fernández-Perea²,

Méndez³

et al. 2009

Opt. Express

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Abstract:A new type of multilayer coatings with narrowband reflection properties and peaked in the ~50-92 nm spectral range has been developed. Multilayers are based on Yb, Al, and SiO films and they have been prepared by thermal evaporation. Efficient multilayers based on Yb and Al, with an SiO protective layer were prepared, but they developed a dendrite structure, which was attributed to the reactivity between Al and Yb. Multilayers based on Yb and Al, with both SiO protective and barrier layers, resulted in efficient reflective filters, with no observable dendrite growth. The peak reflectance of aged multilayers was of the order of ~0.20, with bandwidths in the range of 12 to 22 nm FWHM. in the 2-830 eV spectral range using a transmittance method, and compilation of the revised optical constants of lanthanum, terbium, neodymium, and gadolinium," Appl. ©2009 Optical Society of America

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The high-resolution lightweight telescope for the EUV (HiLiTE)

Cited by 6 publications

References 15 publications

Corrosion-resistant high-reflectance Mg/SiC multilayer coatings for solar physics in the 25-80 nm wavelength region

Corrosion-resistant high-reflectance Mg/SiC multilayer coatings for solar physics in the 25-80 nm wavelength region

Study of Optical Performance and Structure of Yb/Al (1.5 wt.% Si) and Yb/Al (Pure) Multilayers Designed for the 73.6 nm Range

Narrowband multilayer coatings for the extreme ultraviolet range of 50-92 nm

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