Bridge Health Monitoring Using Distributed Fiber Optic Sensing

Due to the frequent occurrence of bridge accidents in recent years, bridge safety monitoring has attracted increasing attention. Usually there are dozens of types and thousands of sensors distributed on a bridge, which are used to monitor the...

Silicon Photonics Chip Project Engineer

Job Responsibilities: Participate in the development and testing of integrated device and chip projects; Responsible for review reports, formulation of DFMEA, document writing, related to product development Product development revision, process optimization, proposal and design of cost reduction...

Radio Frequency Automation Development Engineer

Job Responsibilities: BAW filter design:  related work on modeling and calculation of equivalent RF circuits (linear, nonlinear,) RF test data fitting and high power of BAW; PDK software automation: ADS/comsol/HFSS simulation software, connecting with python/matlab and other automation...

MEMS Chip Design and Development Engineer

Job Responsibilities: Responsible for MEMS sensor chip layout design, structural design, process confirmation and development; Responsible for the simulation of MEMS sensor chips, using finite element analysis software for multi-physics simulation, writing simulation programs, etc.; Responsible for the...
Temperature Accuracy Experiment Of OFDR

Temperature Accuracy Experiment Of OFDR

OSI-S is an ultra-high distributed optical fiber sensing instrument. The principle is optical frequency domain reflection (OFDR). It has the characters of high spatial resolution and high accuracy. The measuring accuracy of OSI-S is ±0.1℃ or ±1.0 micro...
Metal Embedded Optical Fiber Temperature Measurement

Metal Embedded Optical Fiber Temperature Measurement

In machinery, aerospace, electric power and other industries, the need of metal surface temperature monitoring is very common, such as power cable lines, high temperature steam pipes and so on. Through temperature monitoring, other physical quantities marked by...
Strain Measurement On Steel Girder Trusses

Strain Measurement On Steel Girder Trusses

As a truss with high strength, uniform material and easy installation, steel girder truss is often used as the main load-bearing structure for industrial engineering and civil buildings, such as roofs, bridges and pylons. Due to the long-term...
Pipe Clay Soil Deformation Monitoring

Pipe Clay Soil Deformation Monitoring

In the pipe clay soil deformation monitoring test, cohesive soil was added to the test box, four sensing fibers were buried and finally the box was left for three months to form a test model. Figure 1 Formed...
Crack Measurement On Concrete Beam

Crack Measurement On Concrete Beam

During the use of the bridge, due to adverse effects such as environmental load, fatigue effect, material aging and corrosion, etc., its structure will inevitably cause damage and cracks, resulting in a series of safety hazards. Figure 1...
Silicon Optical Waveguide Measurement

Silicon Optical Waveguide Measurement

The OCI1500 can be used to measure length, loss and other applications of a silicon optical waveguide. There are many waveguides on the 1.5*1.5cm silicon wafer which is shown in Figure 1. The  light goes through waveguide via...
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