Features
Probe laser port for photocathode:
provides an optical path to generate photoelectron probe pulsesPump laser port for specimen:
provides an optical path to directly excite the specimen using a laserOptical delivery system:
provides a column-mounted, enclosed optical path for probe and pump lasersLaser workbench:
can house various types of laser systemsLaser alignment and diagnostic tools:
allows the user to precisely align the laser beams in real timeLaser beam stabilization system (optional):
can improve the laser alignment precisionData acquision automation software:
automates a time series of TEM data acquisionC0 lens:
can enhance the signal intensity
Specifications
Configurations and Performances for Various Operating Modes
| Stroboscopy | Single shot | |||
|---|---|---|---|---|
| Mode | ps stroboscopy | ns stroboscopy | single shot DTEM | movie mode DTEM |
| Cathode(s) | LaB6 guard ring Ta disk |
LaB6 (truncated tip) LaB6 guard ring Ta disk |
Ta disk | Ta disk |
| Spectrometer | Recommended | Customers select | Incompatible | Incompatible |
| Bench※ | 1,200 x 2,400 mm optical table |
Optical teble is not always necessary |
Optical teble is not always necessary |
1,200 x 2,400 mm optical table |
| Probe laser※ pulse energy pulse width wavelength |
100 nJ 300 fs or less 257 nm |
100 μJ 5 ns or less 266 nm |
10 mJ 10 ns or less 266 nm |
10 mJ 9 × 20 ns 266 nm |
| Pump laser※ pulse energy pulse with wavelength |
10 μJ 300 fs or less 515 nm |
10 μJ 5 ns or less 532 nm |
1 mJ 10 ns or less 532 nm |
1 mJ 10 ns or less 532 nm |
| Repetition rate※ | approx. 1 MHz | approx. 1 kHz | SS (10 Hz) | SS (10 Hz) |
| Emission | 100 e-/pulse or less | 10 e-/pulse or less | approx. 108 e-/pulse | approx. 109 e-/pulse |
| Energy spread | 1.5 eV or less | 1.5 eV or less | 100 eV or less | 100 eV or less |
| Temporal width | 1.2 ps or less | 10 ns or less | 20 ns or less | 20 ns or less |
| Spatial resolution | 1 nm or less | 1 nm or less | approx. 10 nm | approx. 10 nm |
| Delay Range Presision Optical jitter |
Linear stage -666 ps to + 2000 ps ± 0.017 ps |
Delay generator -1 μs to + 1 ms ± 0.05 ns ± 5 ns or less |
Delay generator -∞ to + ∞ ± 0.05 ns ± 5 ns or less |
Digital sequencer -100 μs to 100 μs approx. ± 1 ns ± 5 ns or less |
| Cathode lifetime※ | approx. 6 months Ta disk:12 months or more (as option) |
approx. 6 months Ta disk:12 months or more (as option) |
12 months or more | 12 months or more |
typical values
Standard room layout for JEM-2100Plus based Luminary
For ns stroboscopy and single shot DTEM, optical table (OT) is not always necessary depending on the laser configuration.
AC: Air Compressor
CU: Card Unit
HT: High Tension Tank
OT: Optical Table
PS: Power Supply
RP: Oil Rotary Pump
Related Products
Related Products
Programmable STEM with EDM Synchrony
Control the dose at every pixel.
The Electrostatic Dose Modulator (EDM) is a fast beam blanking system with a pre-sample electrostatic deflector, including electronics and software control. EDM can also attenuate electron illumination without affecting imaging conditions, giving TEM and STEM users more control over the dose on their samples.
The optional <strong>Synchrony upgrade</strong> takes EDM's timing and synchronization capabilities to the next level. Synchrony can coordinate with a STEM controller, tracking the probe beam location as it scans across the sample. EDM's lightning-fast electrostatic blanking turns the beam on for a specified time at each pixel, or keeps the beam blanked to completely exclude sensitive regions from dose.
More Info
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