用于 XRF,XRD,和 EDX 的多通道 SDD 光谱仪
The ROCOCO System
is based on the monolithic 4-channel annular SDD sensor geometry which allows placing the detector very close to the sample, with the exciting beam coming through the central hole. The result is a huge solid angle coverage of the analyzed sample and a significant reduction of the measurement time. The compact preamplifier and power supply electronics ensure the best energy resolution of 125 eV FWHM@ Mn-Ka and allows easy and compact integration into any experimental systems.
Based on ROCOCO SDD series
Key Features
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4-channel SDD system for high count rates up to 4 Mcps with excellent energy resolution values
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Ultra large solid angle values up to 1.8 sr
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Highest sensitivity without shadowing effects in case of topologic samples
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Integrated power supply box for providing SDD bias voltages, temperature control and synchronous reset operation of all 4 channels
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Integrated water-cooling circuit to be easily connected to a common water chiller
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Available in customized configurations for applications such as Nanoprobe XRF at synchrotron facilities, PIXE, ED-XRD, EDX in Electron Microscopy
![[Translate to Chinese:] ROCOCO - Detector Setup](/fileadmin/_processed_/8/b/csm_rococobild3_942e75a3c3.png)
[Translate to Chinese:] ROCOCO - Detector Setup

Solid angle plotted against the distance between sample and detector chip for both Rococo2 and Rococo3

Energy resolution versus processing time measured with all 4 channels of Rococo2 detector

Resolution as a function of processing time for both Rococo2 and Rococo3
![[Translate to Chinese:] SEM EDX elemental mapping of iron and kaolinite powder on carbon – almost shadowless by using the different channels](/fileadmin/_processed_/3/b/csm_rococobild6_717b95e041.png)
[Translate to Chinese:] SEM EDX elemental mapping of iron and kaolinite powder on carbon – almost shadowless by using the different channels
![[Translate to Chinese:] ROCOCO Preamplifier Module](/fileadmin/_processed_/0/7/csm_rococo_fa38719f25.png)
[Translate to Chinese:] ROCOCO Preamplifier Module
![[Translate to Chinese:] ROCOCO Preamplifier Module Dimensions](/fileadmin/_processed_/b/9/csm_rococo4_44ad31dbf3.png)
[Translate to Chinese:] ROCOCO Preamplifier Module Dimensions
![[Translate to Chinese:] ROCOCO System with vacuum flange and supply unit – Dimensions](/fileadmin/_processed_/9/0/csm_rococobild8_4f8e212c65.png)
[Translate to Chinese:] ROCOCO System with vacuum flange and supply unit – Dimensions
![[Translate to Chinese:] ROCOCO Preamplifier Module Dimensions](/fileadmin/_processed_/1/8/csm_rococo_dimensions_84eabeb181.png)
[Translate to Chinese:] ROCOCO Preamplifier Module Dimensions
System options:
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Light-tight version of the detector head with Beryllium window for applications in presence of stray light
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Manual insertion/retraction mechanism with accurate positioning in XYZ directions
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Customized vacuum flange, vacuum bellows and linear feedthrough
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4-channel Digital Pulse Processor unit for fast and accurate spectra acquisition
![[Translate to Chinese:] Rococo XRU](/fileadmin/_processed_/8/6/csm_rococo_xru_2021-01-20_stacked_-2_frei_klein_e81e2990b8.jpg)
[Translate to Chinese:] Rococo XRU
![[Translate to Chinese:] ROCOCO System with Retractable Vacuum Feed Through and Supply Unit](/fileadmin/_processed_/4/2/csm_rococobild2_4cf6d6b69b.png)
[Translate to Chinese:] ROCOCO System with Retractable Vacuum Feed Through and Supply Unit