Laser Doppler vibrometer DXLV-03

The DXLV-03 Fiber Laser Doppler Vibrometer is a non-contact laser interferometry instrument for high-resolution displacement and velocity vibration measurement, built for research and engineering test setups.

Key features:

• Non-contact measurement with high spatial and displacement resolution
• Compact, integrated fiber design with strong anti-interference capability
• Unaffected by ambient light or sample color
• Coaxial transmission/reception to avoid measurement blind spots
• Sensor sampling rate up to 5 MHz
• Immunity to abnormal light conditions > 60,000 lux

Application cases:

• Laser vibrometer + variable temperature block test box
  
  • Adjustable electrode stroke ≥ 3 mm, resolution 0.01 mm
  • Sample size < 30 mm
  • Test voltage of sample box ≥ 10 kV
  • Heating range: RT to 250℃
  • Branded imported temperature controller
  • Over-temperature and over-current protection
• Laser vibrometer + high temperature block test box
  
  • Adjustable electrode stroke ≥ 3 mm, resolution 0.01 mm
  • Sample size < 30 mm
  • Test voltage of sample box ≥ 10 kV
  • Heating range: RT to 800℃
  • Branded imported temperature controller
  • Over-temperature and over-current protection
• Laser vibrometer + high and low temperature test fixture
  
  • Suitable for strain and vibration measurement of devices and bulk materials
  • Sample size < 40 mm
  • Sample box test voltage ≥ 2 kV
  • Temperature range: -196℃ to 250℃ (heating/cooling)
  • Branded imported temperature controller
  • Over-temperature and over-current protection
• Laser vibrometer + thin film cantilever beam test fixture
  
  • Used with thin film piezoelectric tests (E31) to measure piezoelectric coefficients (E31, D31, D33, E33) and thickness displacement vs. voltage
  • High-speed measurement of cantilever-substrate bending displacement under applied voltage

Technical specifications:

• Model: DXLV-03 (Fiber Laser Doppler Vibrometer)
• Optoelectronic integrated chip technology
• Sensor sampling rate: 5 MHz
• Displacement resolution: 0.01 nm
• Measurement laser wavelength: 1310 nm
• Measurement frequency range: DC to 2.5 MHz
• Vibration frequency accuracy: 0.02%
• Vibration velocity range: 4.5 m/s (standard); high-speed version up to 20 m/s
• Analog output: ±5 V
• Software: raw data interface and SDK provided for integration and development
• Power supply: 12 V DC; Power consumption: 4 W
• Immunity: tolerates abnormal light interference > 60,000 lux