The Newport 1935-C is a single-channel optical power meter engineered for precise laser power measurement across ultraviolet through infrared wavelengths. It delivers measurements from 1 pW to 20 kW with ±0.2 dB accuracy and dynamic range spanning -75 dBm to +23 dBm. The instrument accepts Newport detectors with 15-pin D-sub connectors, enabling flexibility across silicon, germanium, InGaAs, thermopile, and pyroelectric detector types. A 5.6″ full-color TFT LCD display provides real-time measurement feedback with ¼ VGA resolution.
– Technical Specifications
Measurement Range
• Power: 1 pW to 20 kW
• Energy: 7 µJ to 20 kJ (pyroelectric detectors)
• Dynamic range: -75 dBm to +23 dBm
• Accuracy: ±0.2 dB
Measurement Capabilities
• Modes: Power, energy, pulsed and integrated energy, pulse, peak-to-peak, and DC source
• Sampling rate: Up to 250 kHz
• Measurement rate: Up to 10 kHz (CW, semiconductor detectors); up to 10 kHz (pyroelectric/thermopile); up to 20 kHz (photodiode, peak-to-peak)
• Units: W, dBm, dB, J, A, V, Hertz
• Statistics: Min, Max, Max-Min, Mean, Standard Deviation
Display & Data
• 5.6″ or 5.7″ full-color TFT LCD, ¼ VGA resolution
• Internal memory: Up to 250,000 data points
• External storage: USB Flash Drive
• Backlight function
Connectivity
• USB (up to 8 Mbps) and RS-232 interfaces
• LabVIEW drivers and .NET development tools available
– Key Features
• Analog and digital filtering options
• Compact, portable form factor (18 × 18 × 12 inches; 15 lbs)
• Wide detector compatibility via standard 15-pin D-sub connector
– Typical Applications
Deep ultraviolet laser characterization, semiconductor manufacturing quality assurance, optical component testing, and pulsed laser energy monitoring.
– Compatibility & Integration
Works with Newport 918D Series (Si, Ge, InGaAs), 818P Series (Thermopile), and 818E Series (Pyroelectric) detectors. Compatible detector wavelength coverage ranges from 190 nm to 11 mm depending on detector selection.
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