Phase locking of a laser diode array is demonstrated experimentally by using an off-axis exteal Talbot cavity with a feedback plane mirror.Due to good spatial m
A novel method based on the use of dispersive fibers is proposed and experimentally demonstrated for measuring the high-frequency modulation index,as well as th
TaO and NbO films are deposited by conventional e-beam method under different electron beam currents.The optical transmittance, chemical composition, absorption