Multi-Channel Silicon Drift X-ray Spectrometer - ROCOCO
The ROCOCO system is based on a monolithic 4-channel annular SDD sensor geometry, allowing the detector to be placed very close to the sample, with the excitation beam passing through the central hole.
Introduction
The ROCOCO system is based on a monolithic 4-channel annular SDD sensor geometry, allowing the detector to be placed very close to the sample with the excitation beam passing through the central hole. This results in a large solid angle coverage of the analyzed sample and a significant reduction in measurement time. Compact preamplifier and power supply electronics ensure an optimal energy resolution of 125 eV FWHM@Mn-Ka and allow easy, compact integration into any experimental system.
Features & Advantages
Specifications
| Name | Effective area | Center hole size | Solid angle range | Typical resolution FWHM @ Mn-Kα (10 kcps) | Typical resolution FWHM @ Mn-Kα (10 kcps) | Peak-to-background ratio |
| Rococo 2 | 4 x 15 mm² | 1.8 | 1.1 sr | 126 eV | 128 eV | 15 000 |
| Rococo 3 | 4 x 20 mm² | 1mm | 1.8 sr | 126 eV | 128 eV | 15 000 |
Peaking time versus energy resolution curves for the four channels of the ROCOCO2 system
Peaking time versus energy resolution curves for the ROCOCO2/3 systems
Relationship between sensor chip-to-sample distance and effective detector solid angle for the ROCOCO2/3 systems
Typical Applications
- Nanoprobe XRF
- Applications of PIXE, ED-XRD, EDX, etc. in electron microscopy
