WidePIX 2(1)X5 – MPX3: Industrial Spectral Imaging Camera


Spectral imaging camera for robust industrial use

WidePIX 2(1)x5 – MPX3 camera consists of either 2×5 or 1×5 Medipix3 devices. Each pixel has two integrated 12-bit digital counters and two energy discrimination thresholds. Both counters can be joined to a single 24-bit counter providing enhanced dynamic range. The camera can be constructed with Si or CdTe edgeless sensor tiles. The edgeless sensor technology allows placing all tiles tightly together from all sides. Thus the whole imaging area of the camera is fully sensitive to the radiation – there are no gaps between the tiles in the image. The camera is made robust to address industrial users.
The WidePIX 1×5 – MPX3 camera offers built-in Time-Delayed-Integration (TDI) for scanning in industrial applications. It is very advantageous for continuous scanning. WidePIX 2(1)X5 – MPX3 is available with Si and CdTe sensors for imaging of the soft and hard X-ray spectrums, respectively.
The minimum detectable energy is typically 4 keV or 5 keV in case of Si or CdTe sensor, respectively. The intrinsic spatial resolution of the camera is defined by pixel size which is 55 µm. The pixels situated on the border of tiles are 2 times larger in one direction. The corner pixels of tiles are 2 times larger in both directions.



Sensor Material: Si or CdTe
Sensor Thickness: 300 μm for Si; 1 mm for CdTe
Sensitive Area: 28 (14) x 70.4 mm
Number of Pixels: 512 (256) x 1280
Pixel Pitch: 55 μm
Resolution: 9 lp/mm
Readout Speed: 50 (1×5 tiles) and 20 (2×5 tiles) frames/s
Time-Delayed-Integration Yes, hardware based (1×5 tiles)
Thresholds per pixel 1 or 2
Threshold Step Resolution: 0.1 keV
Energy Resolution: 0.7-2 keV (Si) and 1.2-3.6 (CdTe)
Min Detectable Energy: 4 keV (Si) and 5 keV (CdTe)
Readout Chip: Medipix3
Pixel Mode of Operation: Counting in Single Pixel Mode (SPM) or Charge Summing Mode (CSM)
Counter depth 12 or 24 bits (configurable)
Connectivity: USB 2.0
Weight: 1800 g
Dimensions: 213 mm x 60 mm x 40 mm (L x W x H)
Software: Pixet Pro


Non-Destructive Testing

ADVACAM’s X-ray digital radiography imaging detectors are an ideal solution for many Non-Destructive Testing (NDT) applications. The photon counting detectors provide improved sensitivity, spatial resolution, contrast and signal-to-noise ratio. The broad range of detectable X-ray energy starting from 5 keV up to hundreds of keV or even MeV let the detectors capture from very light composite materials up to thick welded parts.
In addition, the energy discrimination helps suppress the scattered radiation and improving the contrast of measured images. NDT specialists and service providing companies can extend the portfolio of customers by those whose products could not be inspected by X-ray radiography in the past. Our new X-ray imaging technologies are useful for inspecting composite materials in the aerospace industry.

Mining and Geology

Material discriminating X-ray imaging of ore  
The energy sensitive photon counting detectors can help in this area thanks to the option of material identification in images. Drill cores from exploration bore holes can be now analysed in-situ identifying different minerals and providing immediate feedback for further exploration.  
Online monitoring of technological processes during mineral processing is another very important area where X-ray material resolved imaging plays an important role. It helps to increase effectivity of processing and reduce energy consumption leading not only to reduced costs, but also to lower environmental effects.

Spectral Imaging Of A Mouse

Cancer research, biomechanics, and drug testing are just a few examples of where X-ray imaging contributes to research in biology and medicine. New photon counting detectors represent a serious advancement for these applications, compared to previously used synchrotrons. The energy sensitivity of modern cameras opens better possibilities to identify individual types of tissue. That has important consequences in various industries, for example cancer research, where the tumour tissue can be better distinguished from the healthy one.
Spectral Radiography

Material discriminating spectral imaging of a mouse. Colours represent different tissue types.

The high sensitivity of photon counting detectors to low energy photons makes them useful for imaging low X-ray attenuating objects (i.e. light objects, such as tissue.) Thus, these detectors are ideal for bio-related applications. The low X-ray energy sensitivity (starting from ~3 keV) together with the high dynamic range reveals features in samples that remain hidden to other types of X-ray imaging detectors.
Spectral Computed Tomography

Spectral computed tomography slices where each colour represents a tissue type.

The spectral radiography can be extended to 3D by means of computed tomography. This makes it possible to recognize different types of tissue in real form. Again, this level of information can be incredibly helpful for cancer treatment research, as it gives better data for irradiation planning.

Authentication of art

Study and characterization of art pieces, namely paintings, using X-ray imaging is becoming an increasingly important area. It is useful for galleries, museums and collectors to improve conservation and preservation methods. It is important for art buyers to reliably authenticate the works. The advanced X-ray imaging techniques provide detailed data for insurance companies to assess risks involved in transportation of art.
The spectral imaging capability of Advacam’s detectors enables identification of different pigments based on their spectral responses. A “colour” X-ray image is then created where the colours are associated to different pigments identified in the painting. The recognition of pigments even in invisible lower layers can serve as an important clue in the process of art authentication.
Advacam’s spin-off company InsightArt

Advacam has transferred the art inspection offering to its spin-off company InsightArt. The goal of the company is to be one-stop shop for the art collectors, auctions and galleries. The company analysis paintings and other pieces of art using advanced X-ray imaging techniques combined with the conventional ones. The combination of the techniques allows unprecedented technique for studying art and identification of different types of materials and pigments in the images.


WIDEPIX 2(1)X5 – MPX3: Industrial Spectral Imaging Camera Datasheet

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