High Dynamic Range Variable Fiber-Optical Attenuator Using Digital Micromirrors and Opto-Fluidics
Abbreviated Journal Title
IEEE Photonics Technol. Lett.
Digital micromirror device (DMD); microelectromechanical systems (MEMS); optical attenuator; opto-fluidics; OPTICAL ATTENUATOR; DEVICE; Engineering, Electrical & Electronic; Optics; Physics, Applied
To the best of the authors knowledge, proposed is the first variable fiber-optical attenuator (VFOA) using a digital micromirror device (DMD) and an opto-fluidic electronically controlled variable focus lens (ECVFL). The hybrid VFOA uses individually controllable two-state micromirrors of the DMD and the variable focal length capability of the ECVFL to control the amount of light coupled between two fiber ports leading to a high dynamic range VFOA. The demonstrated VFOA at 1545 nm has a 63.5-dB dynamic range, <0.1-dB resolution, 0.2-dB polarization-dependent loss, 4.9-dB optical loss, and <100-ms switching time. Applications for the proposed VFOA include use in test and measurement systems.
Ieee Photonics Technology Letters
"High Dynamic Range Variable Fiber-Optical Attenuator Using Digital Micromirrors and Opto-Fluidics" (2009). Faculty Bibliography 2000s. 2052.