The team developed a LabVIEW-based software for feedback control of a New Focus 6700 Tunable Laser System. By controlling motor scan of the laser cavity in the wide range and piezo scan in the narrow range, the wavelength tuning of the laser was fully controlled by the developed software with a resolution in picometers. More importantly, the team built a fiber-based Mach-Zehnder interferometer to both measure the laser wavelength and sense strain and stress. To demonstrate the developed control system, a microscale cavity optomechanical device was optically characterized. By coupling light through a micrometer-sized fiber taper into the device while monitoring the optical transmission power, the developed system enabled the measurements of high optical quality factor of the device.

• This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.

Creator

• Gu, Tianchang
• Wang, Zhijie
• Ning, Jinqiang

Publisher

• Worcester Polytechnic Institute

Identifier

• E-project-090815-142040

Advisor

• Liu, Yuxiang
• Rong, Yiming

Year

• 2015

Date created

• 2015-09-08

Resource type

• Major Qualifying Project

Major

• Robotics Engineering
• Mechanical Engineering

Rights statement

• In Copyright