1535nm Erbium Glass Laser Module 400μJ,500μJ SFB400/500LJ

The 1535nm erbium glass laser module in an eye-safe wavelength band, offering significant advantages in laser ranging, radar, and other fields. This series of lasers delivers pure pulses without tails, featuring stable single-pulse energy and excellent beam quality. With an integrated design of the semiconductor pumping module and laser crystal, it boasts a compact package that facilitates easy installation and integration.

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Key Features

  • Based on Er:glass passive Q-switching technology for high-quality pulse output
  • Class 1 laser product, fully compliant with eye-safe laser standards
  • Integrated semiconductor pump module and laser crystal design for enhanced reliability
  • Exceptional energy stability (RMS ≤ 3%) for consistent performance
  • Narrow full-angle divergence (8-10mrad typical) for focused beam delivery
  • Robust mechanical structure suitable for integration into complex systems

Application Areas

  • Rangefinders: Ideal for precision distance measurement in industrial, defense, and aerospace rangefinders, leveraging stable pulse energy and beam quality for accurate readings.
  • Meteorological Radar: Reliable for weather monitoring and forecasting systems, where the laser module’s wide temperature adaptability and pulse purity ensure consistent data collection in varying atmospheric conditions.
  • Fuzes: Compatible with advanced fuze technologies, offering compact size, eye safety, and stable performance to support critical defense and security applications.

Technical Specifications

ParameterSpecification
Wavelength 1535nm
Single Pulse Energy 400 μJ, 500 μJ
Pulse Width (Typ. )6ns
Repetition Frequency 10Hz
Operating Current 15A(400 μJ models), 20A(500 μJ models)
Full Angle Divergence (Typ. )8 mrad
Beam ModeTEM₀₀
Energy Stability (RMS)3%
Weight 10g (400 μJ models), 13g(500 μJ models)
Dimensions (L×W×H)28×8×7mm(400 μJ models), 32×8×7mm(500 μJ models)
Operating Temperature -40℃~65℃
Storage Temperature -55℃~80℃

Note: All data in the above table are typical values tested at room temperature (25℃), and the final data shall be subject to the factory test report.