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| Coad | 671286 | Type | Pyroelectric Laser Energy Meter | |
| Dimension(mm) | 68.0 x 51.0 | Wavelength(nm) | 190 - 25000 | |
| Maximum Incident Beam Diameter (mm) | 45.00 | Energy Measurement Range | 1mJ - 15J | |
| Connector Type | BNC-E Connector | Calibration Uncertainty | ±3% | |
| Maximum Power Density | 50.0MW/cm? | Maximum Average Power | 5.0W | |
| Maximum Energy Density | 1.0J/cm? | Maximum Repetition Rate | 30.0Hz@1.0MΩ | |
| Detector Coating | Ceramic | Detector Cable Length | 1.5m |
LBTEK pyroelectric laser energy meters offer three optional coatings: black, metal, and ceramic. The black and ceramic coatings operate over a wavelength range of 190 nm to 25 μm, while the metal coating covers 190 nm to 2.5 μm. Within these wavelength ranges, the energy meters provide a flat response. They feature a wide energy measurement range, capable of detecting pulse energies from 1 μJ to 15 J. Additionally, they offer a broad selection of detector areas, with maximum incident beam diameters ranging from 4 mm to 45 mm.
The high-energy pyroelectric laser energy meter is designed for measuring high-energy pulsed lasers and is particularly suitable for excimer lasers, CO₂-TEA lasers, and Nd:YAG lasers. The pyroelectric sensor converts the energy of light pulses into voltage pulses and is not suitable for continuous-wave laser measurement. The ceramic coating of the high-energy pyroelectric laser energy meter provides a flat absorption curve over the 190 nm–25 μm wavelength range. The PEM20-K model can measure high-energy laser pulses up to 3 J, while the PEM45-K model can measure pulses up to 15 J. The energy meter can be connected directly to an oscilloscope with a 1 MΩ input impedance or to the PEM710 meter via a BNC connector. To accommodate higher repetition rates when connected to an oscilloscope, the load resistance can be reduced. The high-energy pyroelectric laser energy meter is available with effective detector areas of 20 mm and 45 mm. Each unit includes a 1.5 m connection cable with BNC and E connectors at each end.
Note: The energy meter is supplied with a mounting post but does not include a base.
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