Price of Fiber Bragg Gratings in Australia

Fiber Bragg Grating (FBG) sensor prices in Australia vary widely depending on type, packaging, and application, ranging from economical bare fiber sensors to premium packaged strain, pressure, and acceleration sensors. Pricing by Sensor TypeTemperature Sensors: Bare fiber FBG temperature sensors are the most cost-effective option, suitable for direct fiber installation. Packaged temperature sensors with protective housings are more expensive due to enhanced durability and easier installation in harsh environments.

Standard range sensors (-40°C to 300°C) are moderately priced, while high-temperature variants (400°C to 800°C) require specialized coatings and protective packaging, significantly increasing costs. Strain Sensors: Surface-mounted, embedable, and bolt-type FBG strain sensors are designed for structural health monitoring. Prices are higher than temperature sensors due to specialized packaging that ensures accurate strain transfer from the monitored structure to the fiber Bragg grating.

Pressure Sensors: FBG pressure sensors convert pressure into strain using precision-machined diaphragms or bourdon tubes. Costs are typically 50–80% higher than temperature sensors, reflecting the engineering complexity and hermetic sealing requirements. Displacement and Acceleration Sensors: These specialized sensors employ cantilever beams, spring mechanisms, or proof mass designs.

They command premium pricing, often 2–3 times that of basic temperature sensors due to sophisticated mechanical assemblies and dynamic calibration needs.

Factors Affecting Cost

Packaging and Protection: Packaged sensors are more expensive than bare fiber due to durability and ease of installation. Measurement Range: Higher temperature, pressure, or strain ranges increase costs. Sensor Arrays: Deploying multiple sensors on a single fiber reduces per-sensor cost, especially in arrays of 8, 16, or 32 sensors.

FB

G Interrogator Systems: The cost of the interrogator, which measures wavelength shifts, typically represents 50–70% of the total system investment.

Supplier Options in Australia

Quality in Control P/L: Offers optical strain gauges and FBG sensors with verified supplier credentials. Pricing is available via direct quote requests.

Fi

Sens: Provides fiber optic sensors for strain measurement with high precision and customizable configurations.

Find

Light and DK Photonics: Supply a range of FBGs including high-power chirped gratings, phase-shifted gratings, and sensors for temperature, strain, and laser applications.

Recommendations

For the most accurate and up-to-date pricing, it is recommended to contact suppliers directly to request quotes based on your specific FBG type, measurement range, and packaging requirements. Bulk orders or sensor arrays can significantly reduce per-unit costs, and considering the cost of the interrogator system is essential for budgeting a complete FBG monitoring setup.