The Teledyne FLIR Merlin NIR is a high-performance InGaAs infrared camera designed for near-infrared imaging across 0.9 – 1.7 µm. It delivers 320 × 256 pixel imagery at 60 Hz with thermoelectric stabilization and exceptional operability exceeding 99.9%. The camera operates in both radiometric and non-radiometric configurations, with factory-calibrated models providing temperature measurement accuracy of ±2° or ±2%. Variable integration time (1 µs to 16.5 ms) and dual gain modes enable a total dynamic range of 69 dB—four orders of magnitude above single-mode operation. Solid-state InGaAs detectors withstand laser damage thresholds greater than 1 W/cm² with no image retention at intensities exceeding 10 W/cm².
– Technical Specifications
Detector & Optics
• Indium Gallium Arsenide (InGaAs) focal plane array
• Array format: 320 × 256 pixels, 30 × 30 µm pixel pitch
• Spectral response: 0.9 – 1.7 µm
• Optical fill factor: 99.9%
• Uncorrected non-uniformity: 99% across dynamic range
• Digital output: 12-bit resolution
Radiometric & Measurement
• Temperature accuracy: ±2° or ±2%
• Measurement range: Extended to >400°C (optimized 0.6 – 1.7 µm)
• Radiometric imaging through glass windows opaque to MWIR/LWIR
• Factory or user-calibrated options
Laser Resistance
• Damage threshold: >1 W/cm²
• No image retention at intensities >10 W/cm²
– Key Features
• Thermoelectric stabilization for thermal consistency
• Dual gain modes expand dynamic range by one order of magnitude beyond integration time adjustment
• Independent analog and digital data streams
• GenICam and GigE Vision compatible interfaces
– Typical Applications
• Industrial inspection and process monitoring
• Scientific research requiring high-sensitivity NIR detection
• Surveillance and monitoring systems
• High-temperature thermal measurements
– Compatibility & Integration
• Analog video output: NTSC @ 30 Hz (PAL @ 25 Hz optional); S-Video
• Digital video output: Gigabit Ethernet
• Configurable lens iris (f/# examples: 2.5, 4.1)
• Customizable configurations for application-specific requirements
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