THORLABS PMT2100 Series, Руководство пользователя

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PMT2100 Series Photomultiplier Tubes Chapter 6: Software
Page 26 TTN094969-D02
3. Click the button next to each PMT to expand the respective PMT
panel.
Figure 39 PMT2100 Control Window
Note: If the serial number is unavailable, select the respective PMT on the
PMT2100 Control window, and click the Update Settings SN button to update the
PMT’s serial number in the
PMTSettings file.
6.5. Setting the PMT2100 Offset
You must set the offset for each of the PMT2100 PMT devices.
Note: For a Galvo-Resonant system, once the initial offset adjustment is set, you
do not have to adjust the offset for every use. For a Galvo-Galvo system, you may
need to adjust the offset depending on the Dwell Time setting.
1. Switch off the room lights.
Note: An unpowered PMT exposed to bright light can have a high dark
count that may take several minutes to hours to dissipate.
2. Open the PMT2100 Control window.
3. Use the table below to configure all the PMT2100s.
Scanner
PMT Input
Range
Bandwidth Gain
Galvo-Resonant 1 V 80 MHz 0
Galvo-Galvo 1 V
Large Dwell Time
(Slow Scan): 250 kHz
Small Dwell Time (Fast
Scan): 2.5 MHz
0
4. Capture an image on your image scanning equipment.
5. Adjust the gain on PMT2100 Control window until the average of all the
pixels in the image is 50 - 100.