Photodetector with wavelength @ 780nm and 1560nm

Photodetector with wavelength @ 780nm and 1560nm

Team members: Sunke Lan

To design photodetector as power monitor with power within 10mW.

Project Outline

1. Objective

• 1.1 Design photodetector for 780nm and 1560nm
• 1.2 Measure optical power up to 10mW

2. Components

• 2.1 Photodiodes (S5917, G12180-010A), BNC test boards, PCB test boards
• 2.2 Transimpedance amplifier, op-amp (OP27G)

3. Design Considerations

• 3.1 Wavelength sensitivity
• 3.2 Linearity within 10mW

4. Testing and Results

4.1 Test Circuit

Circuit for 780nm Photodetector