This plug-in shifts (wobbles) the spectrum on the detector during the SI data acquisition. The spectrum will be accumulated after adjusting the spectrum shift to reduce the channel gain/dark current variation.

DISCLAIMER: Please use this plug-in entirely at your own risk. We will not accept any responsbility for any losses or damage which may arise from its use.

Spectrum Wobbler plug-in is provided by HREM Research Inc. and freely downloaded.

使用法

Copy the files to DM Plug-Ins folder, and then launch the DM again.

  1. The Spectrum Wobbler will appear in the sub menu of Floating Windows under Window menu.
  2. Select the Spectrum Wobbler from the Floating Windows sub menu to open the tool palette.
  3. Start the Spectrum Wobbler before acquiring an SI data, and stop the Wobbler after data acquisition.
  4. The obtained spectrum should be adjusted by yourself using cross-correlation of the spectrum feature or the zero-loss shift of the low-loss spectrum in the case of DualEELS.

推奨設定

Step: a small fraction of channel energy width (dispersion)

(e.g. 0.2 x channel energy width)
NOTE: Since the energy shift will occur asynchronously with the SI data acquisition, we cannot control an energy shift timing. Therefore, the energy scan step should be a small fraction of an energy dispersion not to degrade an energy resolution.

Interval: close to an exposure time of the spectrum

Range: close to (channel energy width) x (number of channels to be averaged)

(e.g. channel energy width x 50)

ダウンロード

for GMS 3.4 (64bit)*
for GMS 3.3 (64bit)*
for GMS 3.2 (64bit)* (GMS 3.0より対応)
for GMS 2.3 32bit    GMS 2.3 64bit
for GMS 2.1 32bit    GMS 2.1 64bit (GMS 2.0より対応)
for GMS 1.x (32bit)(サンプルデータ)

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