Power MOSFET is used as switch element and a high voltage wide pulse source is obtained with the amplitude of output pulse larger than 4kv, the rise time less than 10ns and the pulse width wider than 100ns.

Influence of pulse duration on deflecting electric field inner surface plasma immersion ion implantation;

Realization of the circuit measuring continuous pulse duration in pulse series;

Picosecond pulse duration measurement using non-collinear single-shot autocorrelator

Measurement of capacitance by pulse width method and the choice of constant-current source;

The measurement of ultrashort pulse width using a simple autocorrelator;

The influence of pulse width on transient thermally induced optical nonlinearities in a Kerr nonlinear medium~*;

The Application of Pulse-expanding Circuit Based on the FPGA;

The designing and implementation of monostable pulse-expanding circuit based on FPGA device;

Manufacture of chromatic dispersion impulse expanding analytic device in optical fiber;

The basic theory of chromatic dispersion in optical fibers is discussed and the pulse expanding is analyzed on emphasis.