Retarding Field Analyzer (RFA)
― A Compact, High-Sensitivity, and Cost-Effective Solution for Photoelectron Spectroscopy ―
The Retarding Field Analyzer (RFA) is a next-generation energy analyzer designed for both photoelectron holography and angle-resolved photoelectron spectroscopy (ARPES).
By employing a multi-grid electrode structure, it selectively filters electrons by kinetic energy while simultaneously collecting photoelectrons over a wide solid angle.
Compared with conventional hemispherical analyzers, the RFA achieves significant size and cost reduction while maintaining excellent angular and energy resolution.
Key Features
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Wide-Angle Collection: Optimized electron optics enable simultaneous acquisition of 3D angular distributions without rotating the sample.
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High Energy Resolution: The retarding potential control provides precise energy discrimination of photoelectrons.
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Compact Design: Easily integrated into existing vacuum chambers; ideal for laboratory or synchrotron-based systems.
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Low-Cost Operation: Offers full photoelectron spectroscopy and holography capability at less than one-third the cost of a hemispherical analyzer.
Applications
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Local atomic structure analysis via photoelectron holography
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Electronic band structure analysis using ARPES
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Characterization of phosphors, catalysts, and semiconductor surfaces
The RFA is an ideal choice for researchers and engineers seeking a compact, high-performance, and affordable spectroscopic analyzer for both synchrotron and laboratory environments.
At our exhibition booth, you can explore the analyzer’s internal design and view example measurement data.