Laserheating at HPCAT and XOR Hokwang Mao, Daniel Errandonea, Jungfu Lin

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Laser-heating at HPCAT (and XOR)Ho-kwang Mao,
Daniel Errandonea, Jungfu Lin
XOR Sector 3
GSECARS Sector 13
HPCAT Sector 16
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Integration of Analytical Probes
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Laser heating at
HPCAT Two YLF TEM01 lasers Double-side
heating Heating system on upper deck, XRD on
lower deck Retractable optics for non-LH
XRD Removable upper deck on kinematic
mount Commissioning June 2003
XOR (SRICAT) One YLF splits into two Double-side
heating Heating system on upper deck, NRIXS on
lower deck Retractable optics for non-LH
NRIXS Fixed upper deck Commissioning February 2003
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Beam Mode TEM01 Beam Roundness 96 Power
Instability lt 1 Polarization Horizontal

• Power at 35 Amps 85 Watts
• Below 20 Amps the polarization is lost
• After power regulation (wave plate Polarized
  CBS) Beam Expander
• Minimum 0,7 Watts
• Maximum 80 Watts
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• Power on the sample (after all optics) 75 Watts

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Double-deck, double-side laser heating system at
16ID-B,HPCAT
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Upper deck LH system at 3ID-B
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Upper deck LH system at 3ID-B
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Ta at 20 GPa-3500 K
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Ta at 20 GPa-3500 K, backside
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Upper deck LH system at 3ID-B
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Lower deck NRIXS system at 3ID-B
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