The MKS Instruments/Ophir 5000W Power/Energy Meter is a water-cooled thermopile sensor engineered for high-power laser measurement from 20 W to 5000 W. The broadband absorber coating delivers spectral response across 0.19 µm to 11 µm and 0.19 µm to 20 µm, making it suitable for YAG, CO2, and diode laser characterization. Its 50 mm aperture and thermal design accommodate power densities up to 6 kW/cm² at rated capacity.
Technical Specifications
• Power measurement range: 20 W to 5000 W
• Spectral range: 0.19 µm to 11 µm; 0.19 µm to 20 µm
• Sensor type: Thermopile with broadband absorber
• Aperture diameter: Ø50 mm
• Maximum average power density: 6 kW/cm² at 5000 W
• Maximum energy density (<100 ns pulse): 0.3 J/cm²
• Maximum energy density (2 ms pulse): 10 J/cm²
• Response time (0–95%): <3 seconds
• Power accuracy: ±5%
• Linearity with power: ±2%
• Power noise level: 1 W, 2 W
• Digital scales: 5000 W / 500 W
– Cooling & Environmental
Water cooling is required for sustained high-power operation. Minimum water flow rate: 4.5 L/min, 9 L/min, or 10 L/min depending on configuration. Water inlet temperature: 18–30°C with rate of change <1°C/min. Pressure drop across sensor at maximum flow: 0.06 MPa.
– Physical & Connectivity
Dimensions: Ø146 mm × 47 mm. Weight: 2.8 kg. Cable length: 1.5 m. Digital output integrates with standard Ophir meter platforms including Centauri.
– Typical Applications
High-power laser characterization in materials processing, R&D, and quality control. Suited for long-pulse and continuous-wave YAG, CO2, and diode lasers.
– Compliance
CE, UKCA, and China RoHS certified.
