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Fiber Optic Pressure Sensor Series

Fiber Optic Pressure Sensor Series

Fiber Optic Pressure Sensor Series - MADIBA BAY OPTICS

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Fiber optic pressure sensors are available in multiple models, including Luna's os9100, Opsens OPP-B, and Resonetics M200/M260, each offering unique features for high-sensitivity, EMI-resistant pressure measurement.

Overview of Fiber Optic Pressure Sensors

Fiber optic pressure sensors (FOPS) use light as the information carrier, offering high sensitivity, immunity to electromagnetic interference, and suitability for harsh environments such as high temperature, high pressure, or chemically aggressive conditions . They are widely applied in biomedical monitoring, industrial automation, aerospace, and energy exploration . FOPS can be categorized by sensing mechanism:

  • Fiber Bragg Grating (FBG) sensors: Detect pressure-induced changes in the grating period or refractive index, resulting in wavelength shifts that are analyzed to measure pressure. They allow easy multiplexing and networked sensor integration .
  • Interferometric sensors: Measure pressure by detecting changes in optical interference patterns caused by variations in cavity length or refractive index, offering extremely high sensitivity .

Notable Sensor Models

Luna os9100

  • Type: FBG-based discrete static and dynamic pressure sensor.
  • Key Features: Ultra-sensitive, low-profile, capable of deployment over 10 km, and supports integration of over 300 sensors on the HYPERION platform.
  • Pressure Range: -3,000 to 13,000 Pa with resolution down to 2 Pa.
  • Applications: Distributed pressure monitoring, strain, temperature, displacement, and acceleration measurements.
  • Software Compatibility: ENLIGHT Sensing Analysis Software, with APIs for LabVIEW, Python, Matlab, C++, and C# .

Opsens OPP-B

  • Type: Bare fiber optic pressure sensor (no metal housing).
  • Key Features: Compact, robust, EMI/RFI resistant, long-term accuracy, low drift, and high fidelity.
  • Customization: Fiber extension cable up to 3 km, adaptable for in-situ monitoring in aerospace, defense, food processing, and harsh subsurface environments .

Resonetics M200 / M260

  • Type: Miniature fiber optic pressure sensors for medical applications.
  • Key Features: M200 is the smallest sensing element, ideal when size is critical; M260 balances size and sturdiness.
  • Customization Options: Connector type (SC/APC with smart chip), jacket length, fiber diameter, coating material, and protective sheaths (bare polyimide, stainless steel, radio-opaque) for durability and ease of integration .
  • Applications: Medical devices requiring precise pressure, temperature, force, displacement, or position measurements.

Considerations for Selection

  • Environment: Choose sensors resistant to EMI, high temperature, or chemical exposure for industrial or aerospace applications.
  • Size and Form Factor: Miniature sensors like M200 are suitable for medical or space-constrained applications.
  • Pressure Range and Sensitivity: Luna os9100 offers ultra-high resolution for distributed monitoring, while Opsens OPP-B provides robust performance in harsh conditions.
  • Integration and Software: Ensure compatibility with signal processing modules or analysis software for real-time monitoring and data acquisition. Fiber optic pressure sensors provide versatile, high-performance solutions across multiple industries, with model selection guided by application requirements, environmental conditions, and desired measurement precision .

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