DETECTOR OPTIONS

We offer a range of detectors with different mounting options:

AMBER 750k – Bottom mounted

AMBER 750k has a detector area of 1536 x 512 pixels of 55 µm size, giving an area of 85 mm x 28 mm. It can be bottom-mounted on a CF 160 mm flange.

AMBER-Flex – Side mounted

The AMBER-Flex system can have up to 4 compact sensors of 256 x 256 pixels (14 mm x 14 mm) connected to a side-mounted flange with cables. This allows flexible positioning of multiple sensors within the microscope, for example to acquire images from different angles.

SENSOR LAYER

AMBER systems use Silicon as a sensor material. AMBER systems are sensitive to single electrons at 30 keV and above; below this, the protective Al layer on the sensor reduces the detection efficiency. However, sensors with a thinned entrance window for lower-energy electron detection will soon be available.

CONTROL PC AND SOFTWARE

All AMBER systems are sold with a control PC with software installed. Different PC options are available, depending on your requirements.

The control software provides a range of options. There is a control library written in C++ which can be integrated into common microscope control systems. This library also has a set of Python bindings. Finally, a GUI is provided for manual control.

To allow synchronisation with the microscope, there is an external trigger input which can be operated in a variety of modes. For example, this can be used to control when each image is taken, or be used as an electronic gate to switch the detector’s sensitivity on and off during image taking.

APPLICATIONS

AMBER can be used for a wide range of TEM and STEM experiments. Its high speed and sensitivity make it particularly well suited to fast experiments or when working with radiation-sensitive samples, for example in electron diffraction or cryo-EM. Find an example of a successful application here.

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