Detection Scheme of Single Shot Time Resolved X-ray Emission Spectroscopy of Chemical Dynamics at LCLS Kathleen R. Geyer August 12, 2010 Mentor: Dennis.

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Presentation transcript:

Detection Scheme of Single Shot Time Resolved X-ray Emission Spectroscopy of Chemical Dynamics at LCLS Kathleen R. Geyer August 12, 2010 Mentor: Dennis Nordlund SULI Presentation August 12, 2010 Kathleen Geyer

UHV End Station Soft X-rays: 0.12 to 12 KeV PES, XAS, and XES

How it Works

How it works

Ideal Smile SULI Presentation August 12, 2010 Kathleen Geyer

Ideal Spectrum SULI Presentation August 12, 2010 Kathleen Geyer

Adimec Opal-1000m/Q High Speed CCD Camera 1 Megapixel resolution SULI Presentation August 12, 2010 Kathleen Geyer

Camera Settings Focus Field of view Minimizing Background – FPS – Exposure time – Gain Settings SULI Presentation August 12, 2010 Kathleen Geyer

Gain Setting Gain = Number of electrons per pixel/number of counts per pixel (ADUs) SULI Presentation August 12, 2010 Kathleen Geyer

SSRL Run: Smile SULI Presentation August 12, 2010 Kathleen Geyer

SSRL SmileIdeal Smile

SSRL Run: Spectrum SULI Presentation August 12, 2010 Kathleen Geyer Raw Data Removed Background

Conclusion Averaging of images using background discriminator does not work Next Step: Blob finder program

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