Laser Spot Scorer (LSS) System

Precision Laser Verification for Guided Munitions Testing

Our Laser Spot Scorer (LSS) System is a precision-engineered solution developed to support the testing and evaluation of laser designators used in laser-guided munitions, including HELLFIRE testing. The LSS combines advanced sensing, high-resolution imaging, and synchronized data collection to deliver accurate laser spot verification and performance analysis.

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Proven Accuracy in Laser Spot Detection

The LSS System features a dual sensor system designed to capture both spatial and temporal characteristics of laser energy on target:

  • Imaging Sensor: A high-speed CCD camera with extended spectral range and a 30-degree field-of-view (FOV) optic, paired with a 1064 nm laser line filter, captures laser spot images in real time. The camera connects via GigE Ethernet, enabling high-resolution video transport for precise spot location scoring. Accuracy is determined by the camera’s resolution, FOV, and distance to the target.

  • Temporal Sensor: A high-speed InGaAs photodiode with a matching 1064 nm filter captures pulse timing data. This analog sensor measures the duration between pulses and calculates the pulse repetition frequency (PRF) or verifies PIM coding when enabled.

Operational Details

Sensors

  • High-speed CCD with 30-degree FOV optic
  • Analog sensor, high-speed InGaAs photodiode

System Components

  • On-board GPS for sensor time synchronization

KEY FEATURES

  • Real-time grading of laser spot jitter
  • Verification of sensed laser codes
  • Capture and playback of high-resolution 14-bit digital video
  • Measurement of pulse timing and PRF
  • Analog output for witness camera integration

Integrated Synchronization

& Playback

An on-board GPS antenna provides precise time synchronization across all sensor data, allowing seamless integration with external telemetry systems. The system records 14-bit digital video for post-mission playback and re-scoring, supporting test repeatability and thorough analysis.

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Headquartered in Huntsville, Alabama, Invariant is a 100% employee owned, non-traditional defense contractor providing advanced engineering solutions to support national defense, homeland security, and law enforcement. We are ISO 9001 certified with secure facilities, labs, and high bay space performing advanced manufacturing, integration, assembly, and testing of mission critical systems.

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