Optimization of graded multilayer designs for astronomical x-ray telescopes

P.H. Mao; F.A. Harrison; D.L. Windt; Finn Erland Christensen

Optimization of graded multilayer designs for astronomical x-ray telescopes

P.H. Mao, F.A. Harrison, D.L. Windt, Finn Erland Christensen

National Space Institute

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

We developed a systematic method for optimizing the design of depth-graded multilayers for astronomical hard-x-ray and soft-gamma-ray telescopes based on the instrument's bandpass and the field of view. We apply these methods to the design of the conical-approximation Wolter I optics employed by the balloon-borne High Energy Focusing Telescope, using W/Si as the multilayer materials. In addition, we present optimized performance calculations of mirrors, using other material pairs that are capable of extending performance to photon energies above the W K-absorption edge (69.5 keV), including Pt/C, Ni/C, Cu/Si, and Mo/Si.

Original language	English
Journal	Applied Optics
Volume	38
Issue number	22
Pages (from-to)	4766-4775
ISSN	1559-128X
Publication status	Published - 1999

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title = "Optimization of graded multilayer designs for astronomical x-ray telescopes",

abstract = "We developed a systematic method for optimizing the design of depth-graded multilayers for astronomical hard-x-ray and soft-gamma-ray telescopes based on the instrument's bandpass and the field of view. We apply these methods to the design of the conical-approximation Wolter I optics employed by the balloon-borne High Energy Focusing Telescope, using W/Si as the multilayer materials. In addition, we present optimized performance calculations of mirrors, using other material pairs that are capable of extending performance to photon energies above the W K-absorption edge (69.5 keV), including Pt/C, Ni/C, Cu/Si, and Mo/Si.",

author = "P.H. Mao and F.A. Harrison and D.L. Windt and Christensen, {Finn Erland}",

year = "1999",

language = "English",

volume = "38",

pages = "4766--4775",

journal = "Applied Optics",

issn = "1559-128X",

publisher = "Optical Society of America",

number = "22",

}

TY - JOUR

T1 - Optimization of graded multilayer designs for astronomical x-ray telescopes

AU - Mao, P.H.

AU - Harrison, F.A.

AU - Windt, D.L.

AU - Christensen, Finn Erland

PY - 1999

Y1 - 1999

N2 - We developed a systematic method for optimizing the design of depth-graded multilayers for astronomical hard-x-ray and soft-gamma-ray telescopes based on the instrument's bandpass and the field of view. We apply these methods to the design of the conical-approximation Wolter I optics employed by the balloon-borne High Energy Focusing Telescope, using W/Si as the multilayer materials. In addition, we present optimized performance calculations of mirrors, using other material pairs that are capable of extending performance to photon energies above the W K-absorption edge (69.5 keV), including Pt/C, Ni/C, Cu/Si, and Mo/Si.

AB - We developed a systematic method for optimizing the design of depth-graded multilayers for astronomical hard-x-ray and soft-gamma-ray telescopes based on the instrument's bandpass and the field of view. We apply these methods to the design of the conical-approximation Wolter I optics employed by the balloon-borne High Energy Focusing Telescope, using W/Si as the multilayer materials. In addition, we present optimized performance calculations of mirrors, using other material pairs that are capable of extending performance to photon energies above the W K-absorption edge (69.5 keV), including Pt/C, Ni/C, Cu/Si, and Mo/Si.

M3 - Journal article

VL - 38

SP - 4766

EP - 4775

JO - Applied Optics

JF - Applied Optics

SN - 1559-128X

IS - 22

ER -