Pulse energy monitors
- Drop-in laser pulse energy or power monitoring (up to 100 samples/second).
- Less than 2% insertion losses.
- 12-bit resolution.
- Average pulse energy and pulse-to-pulse stability calculation.
- Sample&Hold analog output from BNC socket on the rear panel of laser controller.
- Digital readout trough laser Ethernet interface.
- Optional broadband version for 210-2600 nm range.
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Pulse energy monitors technical details
Pulse energy monitors of EM series allows conveniently measure pulse energy of our lasers. Detector can be attached to any component that has internal SM05 thread. Photodetector cable with BNC plug should be connected to the laser controller.
Monitor consist from beam splitter that splits approx 2% from total pulse energy, and photodetector. Colored and/or neutral density filters are used to cut unwanted wavelengths and calibrate photodetector readings.
Measured pulse energy can be presented to the user in digital or analog form. Analog DC voltage, proportional to the last pulse energy is provided from BNC socket on the rear panel of laser controller. Digital value can be retrieved trough laser Ethernet interface.
Each monitor is factory calibrated at specified wavelength. Broadband version is available, in this case calibration is performed at 1053 or 1064 nm wavelength.
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Model |
Pulse energy monitor |
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EM1 |
EM2 |
EM3 |
EM4 |
EM5 |
EM/BB |
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Design wavelength |
1064 nm |
532 nm |
355 nm |
266 nm |
213 nm |
210-2600 nm |
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Insertion loss |
<2 % |
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Detector type |
Photodiode |
Pyroelectric |
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Resolution |
12 bit |
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Accuracy |
±3 % |
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Clear aperture |
6 mm |
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Dimensions ( W×L×H) |
24 × 29 × 48 mm3 |
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Weight |
<0.1 kg |
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- Due to continuous improvements all specifications are subject to change. The parameters marked typical are not specifications. They are indications of typical performance and will vary with each unit we manufacture.
