High-resolution dual-energy sixteen-channel Kirkpatrick–Baez microscope for ultrafast laser plasma diagnostics

Shengzhen Yi; Shengzhen Yi; Haoxuan Si; Haoxuan Si; Ke Fang; Ke Fang; Zhiheng Fang; Jiali Wu; Jiali Wu; Runze Qi; Runze Qi; Xiaohui Yuan; Xiaohui Yuan; Zhe Zhang; Zhe Zhang; Zhanshan Wang; Zhanshan Wang

doi:10.1364/JOSAB.444438

Journal of the Optical Society of America B
Vol. 39,
Issue 3,
pp. A61-A67
(2022)
•https://doi.org/10.1364/JOSAB.444438

High-resolution dual-energy sixteen-channel Kirkpatrick–Baez microscope for ultrafast laser plasma diagnostics

Shengzhen Yi, Haoxuan Si, Ke Fang, Zhiheng Fang, Jiali Wu, Runze Qi, Xiaohui Yuan, Zhe Zhang, and Zhanshan Wang

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Shengzhen Yi, Haoxuan Si, Ke Fang, Zhiheng Fang, Jiali Wu, Runze Qi, Xiaohui Yuan, Zhe Zhang, and Zhanshan Wang, "High-resolution dual-energy sixteen-channel Kirkpatrick–Baez microscope for ultrafast laser plasma diagnostics," J. Opt. Soc. Am. B 39, A61-A67 (2022)

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Abstract

High-resolution x-ray imaging diagnostics play a crucial role in fundamental research, such as inertial confinement fusion (ICF) and high-energy density physics (HEDP). Plasma signals are typically characterized by small scales, rapid evolution, and spectral complexity. These characteristics make it essential to develop x-ray diagnostics optics with high spatial resolution, collection efficiency, and spectral resolution. These requirements can be met using a combination of a high-resolution multi-channel Kirkpatrick–Baez (KB) microscope with spectrum-resolved multilayers and a time-resolved framing camera. This study describes the optical and multilayer design of a dual-energy sixteen-channel KB microscope. The calibrated results of online and offline imaging are shown. By utilizing a dual-energy multi-channel KB microscope, high-resolution backlighting and self-emission x-ray imaging can be realized and detailed information related to plasma density and temperature can be simultaneously obtained.

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Mirror	Direction	Energy	$R$ (m)	$d$ (mm)	$θ$	$u$ (mm)	$v$ (mm)	$M$
M1/M2	Meridional	High and low	20.0	8	0.9614°	182	2120	$11.8132 \times$
M3/M4	Sagittal	M3:low/M4:high			1.0096°	192	2140	$11.1458 \times$
M5/M6	Meridional	High and low			1.1043°	212	2120	$9.9524 \times$
M7/M8	Sagittal	M7:low/M8:high			1.1510°	222	2110	$9.5045 \times$

Low-Energy Imaging Channels				High-Energy Imaging Channels
Mirror	Material	Period Number	Period Thickness (nm)	Mirror	Material	Period Number	Period Thickness (nm)
M1/M2	Co/C	1	21.7 nm, $γ = 0.27$	M1/M2	Cr/C	7	9.4 nm, $γ = 0.55$
	W/C	20	5.0 nm, $γ = 0.41$		Cr/C	30	4.7 nm, $γ = 0.48$
M3	Co/C	1	23.6 nm, $γ = 0.45$	M4	Cr/C	8	8.5 nm, $γ = 0.39$
	W/C	20	4.8 nm, $γ = 0.51$		Cr/C	30	4.5 nm, $γ = 0.38$
M5/M6	Co/C	1	23.3 nm, $γ = 0.51$	M5/M6	Cr/C	10	7.5 nm, $γ = 0.39$
	Co/C	1	12.6 nm, $γ = 0.42$		Cr/C	30	4.1 nm, $γ = 0.40$
	W/C	20	4.3 nm, $γ = 0.55$		Cr/C	30	4.1 nm, $γ = 0.40$
M7	Co/C	1	23.6 nm, $γ = 0.45$	M8	Cr/C	12	7.2 nm, $γ = 0.39$
	Co/C	1	15.3 nm, $γ = 0.56$		Cr/C	12	7.2 nm, $γ = 0.39$
	Co/C	1	11.5 nm, $γ = 0.45$		Cr/C	30	4.0 nm, $γ = 0.38$
	W/C	20	4.2 nm, $γ = 0.52$		Cr/C	30	4.0 nm, $γ = 0.38$

Mirror	Direction	Energy	$R$ (m)	$d$ (mm)	$θ$	$u$ (mm)	$v$ (mm)	$M$
M1/M2	Meridional	High and low	20.0	8	0.9614°	182	2120	$11.8132 \times$
M3/M4	Sagittal	M3:low/M4:high			1.0096°	192	2140	$11.1458 \times$
M5/M6	Meridional	High and low			1.1043°	212	2120	$9.9524 \times$
M7/M8	Sagittal	M7:low/M8:high			1.1510°	222	2110	$9.5045 \times$

Low-Energy Imaging Channels				High-Energy Imaging Channels
Mirror	Material	Period Number	Period Thickness (nm)	Mirror	Material	Period Number	Period Thickness (nm)
M1/M2	Co/C	1	21.7 nm, $γ = 0.27$	M1/M2	Cr/C	7	9.4 nm, $γ = 0.55$
	W/C	20	5.0 nm, $γ = 0.41$		Cr/C	30	4.7 nm, $γ = 0.48$
M3	Co/C	1	23.6 nm, $γ = 0.45$	M4	Cr/C	8	8.5 nm, $γ = 0.39$
	W/C	20	4.8 nm, $γ = 0.51$		Cr/C	30	4.5 nm, $γ = 0.38$
M5/M6	Co/C	1	23.3 nm, $γ = 0.51$	M5/M6	Cr/C	10	7.5 nm, $γ = 0.39$
	Co/C	1	12.6 nm, $γ = 0.42$		Cr/C	30	4.1 nm, $γ = 0.40$
	W/C	20	4.3 nm, $γ = 0.55$		Cr/C	30	4.1 nm, $γ = 0.40$
M7	Co/C	1	23.6 nm, $γ = 0.45$	M8	Cr/C	12	7.2 nm, $γ = 0.39$
	Co/C	1	15.3 nm, $γ = 0.56$		Cr/C	12	7.2 nm, $γ = 0.39$
	Co/C	1	11.5 nm, $γ = 0.45$		Cr/C	30	4.0 nm, $γ = 0.38$
	W/C	20	4.2 nm, $γ = 0.52$		Cr/C	30	4.0 nm, $γ = 0.38$

Abstract

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Journal of the Optical Society of America B