Student research opportunities
Laser measurement and alignment using digital interferometry
Project Code: CECS_592
This project is available at the following levels:
Engn4200
Please note that this project is only for undergraduate students.
Supervisor:
John MillerOutline:
Interferometry is at the heart of many of the world's most powerful scientific instruments in astronomy, optical metrology and quantum mechanics. This project will develop next-generation laser interferometry for several scientific commercial applications. Digital interferometry (DI) combines conventional laser interferometry with digital spread-spectrum modulation and demodulation to achieve a displacement sensitivity of a few picometres. DI's main advantages are insensitivity to scattered light, miniaturized and simplified optical hardware, and the ability to measure multiple targets with a single detector. This project will experimentally test variants of DI, such as BPSK, QPSK and FSK and investigate advanced signal processing techniques for improving performance.
