Relativity™ Electrostatic subframing System
Features
Time resolution:
RelativityTM performs transitions between subframe regions in less than 100 ns.Continuous kHz-scale video:
RelativityTM can sustain subframe rates up to 100 kHz.Custom applications:
Integrate RelativityTM with an in situ holder, laser, IDES Electrostatic Dose Modulator, or other accessories.Simple field installation:
RelativityTM’s electrostatic optics are installed through an accessory port.Out of sight, out of mind:
Optics pneumatically retract out of the beam when they are not in use.Acuity Edge analysis server:
Automated data processing with segmentation and alignment of subframes helps you get the most out of your data.Advanced control software:
Seamlessly move between measurement programs with our intuitive interface, or use our powerful tools to design something new.
How dose RelativityTM work?
RelativityTM installs an electrostatic optics assembly in a wide-angle camera port. These optics rapidly deflect the image data to different regions (or subframes) of the camera in a programmable sequence. Each camera readout contains a tiled array of crisp, blur-free subframes. Raw data is automatically analyzed to give a stack of images.
Applicable models: JEM-ARM300F/300F2, JEM-ARM200F, NEOARM, JEM-F200, JEM-2100Plus, JEM-2100F
Left: 19,200 fps continuous video with atomic resolution, obtained using a gold nanoparticle sample by GRAND ARM™ at 80 kV. Top: One sub frame out of left tiling data with 52 μs exposure time.
Specifications
| Supported camera type | Bottom mounted camera(1) |
|---|---|
| RelativityTM deflector module install location | Side-mounted camera port(2) |
| Maximum subframe size on camera | 7 mm x 5.3 mm(3) (460 x 350 pixels(4), JEM-F200 with GATAN OneView) |
| Native subframe array lay out （no overlaps）(5) |
8 x 10 at 200 kV or lower, 7 x 8 at 300 kV (by GATAN OneView, ClearView, TVIPS XF416R) 5 x 6 (by GATAN RIO16) |
| Subframe array layouts(6) | 5 x 7, 8 x 10, 12 x 12 at 200 kV or lower 5 x 7, 7 x 8, 9 x 9 at 300 kV (for GATAN OneView or ClearView or TVIPS XF416R) 5 x 4, 5 x 6, 8 x 8 (by GATAN RIO16) |
| Acceleration voltage(7) | 40 kV or higher (by GATAN OneView, ClearView, TVIPS XF416R) 80kV or higher (by GATAN RIO16) |
| Auxiliary logic outputs Quantity Sample rate |
4 x TTL-compatible outputs 100 MS/s (MS: mega sampling) |
| Trigger input | 2 x TTL-compatible input |
Continuous frame recording feature (GATAN IS mode, TVIPS in-situ package etc.) is strongly recommended.
In the JEM-2100Plus, RelativityTM deflector module is installed in the left-side STEM detector port.
The subframe size is limited by the spacing between deflector electrodes (the "deflector gap").
Detailed information is available in the specification sheet of RelativityTMSubframe size depends on TEM and bottom mounted camera. Please ask IDES if needed.
Layout depends on TEM and bottom mounted camera. Please ask IDES if needed.
Due to geomatical constraints, different subframe array layouts are optimal for different detector sizes.
RelativityTM system is compatible with nearly all commercially-available cameras.
Please ask IDES if another camera is configured.Corresponding acceleration voltage depends on TEM and camera. Please ask IDES if TEM has another camera.
Gallery
◆Click the "replay" button in the box above, and the movie will start（1 min.）◆
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